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Roku
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  • Senior Software Engineer, Python (Tools Development)  

    - Cambridge
    Teamwork makes the stream work. Roku is changing how the world watches... Read More
    Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the , Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the team With so many people using Roku’s products globally, we’ve become well-known for products that “just work” right out of the box and integrate almost by magic. That doesn’t happen by accident, which is why we are committed to making sure our products aren’t just intuitive, they’re obvious. To support that commitment, the Roku’s Automation support and Tools team focuses on providing innovative and impactful tools that improve efficiency, enhance productivity of all engineering to test Roku products, from industry’s most reliable streaming media platform to smart home products that seamlessly integrate with Roku entertainment OS for a great connected home user experience. We accomplish this using state of the art technology and engineering to make it happen, with consideration for the customer as the centre of all that we do. About the role The Roku’s software automation and tools team has an excellent opportunity for a Senior Software Engineer with strong experience in building automation framework and tools for SW embedded devices. The role involves developing and maintaining software and tools that help various internal teams to test and manage Roku’s products. Working closely with internal stakeholders to enhance existing automation toolset with new capabilities and advanced features that empower all engineering and accelerate validation efforts for SW releases. You will work cross-functionally with various engineering teams, using your finest automation expertise to help both FW developers and QA to create and deliver highest quality product that help in provide valuable end-user feedback to improve customer’s experience. This position requires python expertise with strong experience of using web frameworks, excellent debugging, written and organizational skills. You will be joining a talented, high-performance team of developers with a history of delivery. We are looking for someone who can help us keep up this pace and continue delivering high quality as we grow. We are looking for a keen problem solver and a self-motivated individual with excellent communication and collaborative skills who is eager to learn and grow in consumer electronics space. As an engineer on the team you will require skills and confidence to undertake the challenges of working in a fast-paced environment, frequently be taken out of your comfort zone and relish getting your hands dirty working with user facing products What you'll be doing Support and maintain existing automation tools and technology Develop and release new E2E automation support and tools Debug issues to improve the quality of automated test tools and frameworks Conduct code reviews to improve code quality and optimization Promote coding conventions and standards for code re-usability and cleanliness Document Feature guides, identify and formulate user requirements, product behavior Mentor less experienced engineers and driving automation development Assist in monitoring and maintenance of critical systems We're excited if you have 5+ years of hands-on experience with automation systems 5+ years of programming experience, preferably with Python Bachelor’s degree in Computer Science or related Proficient in linux, Python based test automation frameworks and tools using REST APIs Hands on experience in development/integration of E2E test automation framework and tools for embedded software devices Experienced in developing and maintaining web based tools using Javascript, React Proficiency with DevOps, continuous integration tools (Jenkins, Gitlab CI, Teamcity, Docker and Kubernetes) Experience with CI/CD pipeline development and deployment via AWS or GCP cloud technologies Experience with Unit Testing frameworks – pytest/pyunit and cypress, playwright for UI testing Experience of developing web applications using Flask, FastAPI, Django, Nginx Experience and knowledge of using generative AI Expert problem-solving and technical troubleshooting skills Ability to learn new technologies quickly A self-directed professional able to work independently Ability to work through ambiguous requirements and being flexible/adaptable to change Comfortable and experienced working with cross-functional peers and internal stakeholders across European and US timezones Excellent communication and collaborative skills Experience with retail Consumer Electronic (CE) devices, ideally in the Over The Top (OTT) streaming domain Previous experience with Non-Functional Testing (Performance Testing, Stress Testing) Knowledge of network technologies and libraries such as TCP/IP and HTTP Previous experience and knowledge of image processing and inferencing, creating computer vision capabilities for visual testing #LI-AB3 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Senior Software Engineer - Cryptographic - Key Management Systems  

    - Cambridge
    Teamwork makes the stream work. Roku is changing how the world watches... Read More
    Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About The Team At Roku, our Trust Engineering team is a close-knit group of passionate professionals. Our mission? To protect our customers, partners, devices, services, infrastructure, and data. We work collaboratively, sharing insights and expertise to stay ahead of the curve. Join us, and you’ll be part of a dynamic team that thrives on challenges and celebrates victories together  About The Role Roku’s Trust Engineering Team is looking for a senior software engineer to focus on cryptographic key management systems. Your work will be focused on the architecture and design of scalable key management systems, including Public Key Infrastructure. This is a senior role with a high-level of visibility; therefore, a proven track record building highly reliable, high capacity services is essential. What You’ll Be Doing You will work day-to-day with a cross-functional team of web service, devops, firmware and manufacturing ops engineers to build and deploy highly scalable key management and distribution systems. We’re Excited If You have Expertise of relevant software development. Java, Python or Node. Practical experience with cryptographic protocols, algorithms and standards. Experience with key injection, hardware root of trust, HSMs, PKI, DRM and designing secure systems. Experience implementing and integrating with secure RESTful Web Services. Experience with AWS security services such as KMS and ACM. Experience with threat modeling and an awareness of the Internet threat model. Experience with DevOps environments that support security at speed, i.e., SecDevOps Ability to accurately estimate software tasks and work to schedule. Bachelors or Masters in Computer Science or equivalent engineering experience #LI-AM3 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Senior Security Engineer - Cloud, DevSecOps, Trust Engineering  

    - Cambridge
    About the Role As a Senior Security Engineer on the Trust Cloud team,... Read More
    About the Role As a Senior Security Engineer on the Trust Cloud team, your role involves architecting, designing, and implementing end-to-end security controls to impact the global user base. A key focus is on developing automated, scalable security solutions to enhance efficiency and protect Roku. This position requires expertise in creating and extending security automation tools, including detection and process automation.  What you will be doing Cloud Designing and implementing scalable, automated security controls for AWS and GCP using infrastructure-as-code, configuration-as-code, and policy-as-code approaches (Terraform, etc.), and developing supporting automation in Go and Python.  Partnering with infrastructure, platform, and application teams to embed security into application architectures and deployment workflows as part of a robust Secure Software Development Lifecycle (SSDLC).  Conducting security reviews and performing threat modeling for infrastructure, platform, and application initiatives.  Improving IAM policies, network configurations, DNS security, and cloud resource management practices.  Designing and implementing integrations with third-party security platforms to automate vulnerability management, secret detection, and cloud posture monitoring, ensuring findings are actionable and seamlessly integrated into engineering workflows.  Respond to security incidents and triage, contain, remediate, and report  Leverage AI to accelerate your learning and enhance your work products  Driving security initiatives end-to-end — from identifying risks to delivering solutions — with high autonomy in a fast-moving environment.  DevSecOps Designing and implementing automated security controls in CI/CD pipelines using GitLab, Terraform, and policy-as-code approaches.  Building and maintaining developer-friendly tools and workflows that integrate security checks (SAST, DAST, dependency scanning, container scanning) and secure secret management with Vault.  Partnering with development, infrastructure, and platform teams to embed security into architecture, build processes, and deployment workflows as part of a robust Secure Software Development Lifecycle (SSDLC).  Automating vulnerability detection, misconfiguration checks, and compliance validation across cloud and containerized environments.  Creating reusable security automation modules, templates, and patterns for engineering teams to adopt.  We are excited if you have Experience doing security consulting and extensive time doing hands on implementation  3+ years of Software Engineering experience with at least one general purpose programming language (ex. Python, Golang, C, Rust, etc.)  Extensive experience in either PostgreSQL or MySQL, with expertise in architecting, designing, securing, hardening, authentication, authorization, and auditing  3+ years of experience working with/on BDPs Developed and/or implemented data tagging, data catalogs, or other data protection related activities  Experience designing and administering enterprise identity and access management solutions at scale (ex: AD, EntraID, Okta, etc)  Experience securely running and operating web applications, web services, and service-oriented architecture in production environments.  A proven track record of deploying and operating Kubernetes and containers in production. Experience deploying and operating infrastructure in other cloud providers (Azure, Oracle, IBM etc)  Experience managing PKI/ X.509 certificate infrastructures   #L1-GL1 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Senior Software Engineer, Machine Learning  

    - Cambridge
    About the Role Roku is building a world class voice system that is use... Read More
    About the Role Roku is building a world class voice system that is used by millions of Roku users. The Roku Voice team is looking for ambitious experienced machine learning engineers with a background in one or more of the following areas: artificial intelligence, natural language understanding, machine learning, automated speech recognition, conversational systems and building large scale production systems. You have a once in a lifetime opportunity to contribute to building the very core of the Roku Voice product and be part of a world class team. What you'll be doing Design and develop software and algorithms for Roku’s state of the art voice system  Design and develop software components for high availability and high performance cloud solutions End-to-end responsibility from developing a proof of concept to production Have a strong programming background with a lot of hands-on experience in building large scale production systems Strong algorithmic background and like intellectual challenges and solving complex problems Working across teams and pulling in the best talent from the organization to achieve your goals Contribute with new ideas and evaluate multiple solutions with your peers before settling down on specific solutions You are self-driven, willing and able to take complete ownership of initiatives, and make pragmatic technical decisions  We're excited if you have 5+ years hands on experience in building challenging production systems Strong CS fundamentals, with the ability to write algorithms with ease Good understanding of machine learning fundamentals like regression, classification, ranking, neural networks, and sequence models for text/speech Experience with advanced machine learning techniques, including LLM and generative AI Proven familiarity and experience deploying and maintaining machine learning models (transformer based models in production is a plus), including identifying the right KPIs and objective functions Experience working with big data systems (Spark, EMR, S3, Airflow) and programming languages (Java, Python, C++) Experience building in-production NLU and/or ASR systems Bachelor Degree required. MS in Computer Science or a Ph.D. in CS or related fields is preferred   #LI-GL1 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Senior Software Engineer – Node.js, React  

    - Cardiff
    Teamwork makes the stream work. Roku is changing how the world watches... Read More
    Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the team The Ads Customer Interfaces team develops full-stack web application services, APIs, and UIs that provide a unified approach to interfacing with internal and external customers across Roku's suite of advertising products. Our mission is to provide the best-in-class user experience and service while aiming to delight users of our products by making their jobs easier and allowing them to focus on their customers instead of getting bogged down by tedious business processes. In this role, you will work as a key member of the Ads Customer Interfaces team. About the role Roku pioneered streaming to the TV and continues to innovate and lead the industry. While we are well-positioned to help shape the future of television and streaming media worldwide, continued success stems from experienced software engineers like you developing core features for the Roku platform. Our new Senior Software Engineer will be contributing extensively to our container orchestrated platform, bringing together some of the latest client and server-side technologies to develop a truly scalable and robust solution. To be successful you’ll need extensive experience of building reliable and scalable cloud-based solutions, a strong background in software engineering and an appetite to keep on top of modern software practices. This is a great role for a senior professional who enjoys a high level of visibility and thrives on great business impact. The features and performance improvements you implement directly impact millions of users every day. This is a great role for an experienced professional who has innovative ideas for complex problems and can translate these ideas into ultra-reliable software.  What you’ll be doing Design, develop and deliver high-quality web applications and back-end services. Work as a part of a high functioning team consisting of UX designers, software engineers, dev-ops, quality assurance and product management. Work both independently and paired with other team members to ensure efficient delivery of prioritised features. Take part in the planning and refinement of features along with the team to come up with innovative and collaborative designs. Develop new features and write test cases to ensure the quality of your code. Work with CI/CD tools to ensure that all software developed adheres to both quality and scaling requirements. Take a role in continuously improving our software delivery process, making it as efficient as possible, reducing wasteful activities and creating value. See a feature go all the way from design stage to being deployed into customer facing environments. Demonstrate the ability to dig deep to find solutions to challenging problems affecting our users. We’re excited if you have Bachelor's degree in Computer Science or a related field, or equivalent practical experience. 5+ years of relevant software development experience, such as Node.js, React, Next.js. 3+ years of working with cloud-based technology, such as AWS and GCP. Experience of building large scale and low latency distributed systems. Solid understanding of algorithms, data structures, performance optimisation techniques, object-oriented programming. Experience with distributed caching, SQL/NoSQL and other databases. Experience of container-based orchestration, such as Docker and Kubernetes. Experience using infrastructure as code software tools, such as Terraform. In-depth understanding of CI/CD and the tools used to implement them, such as Jenkins. Experience with software repository tools, such as GitLab and GitHub. Experience with productivity tools, such as Jira and Confluence. A good understanding of Agile practices. Ability to accurately estimate software tasks and work to schedule. #LI-PA1 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Senior Software Development Engineer in Test (Python)  

    - Cambridge
    Teamwork makes the stream work. Roku is changing how the world watches... Read More
    Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About The Role  With millions of users worldwide, our products have earned a reputation for "just working" seamlessly right out of the box, almost like magic. This seamless experience is no accident; it's a testament to our commitment to creating products that are not just intuitive but downright obvious. At the heart of this commitment is the Roku OS QA Team, dedicated to rigorously testing every product and feature to ensure we deliver the most reliable streaming media platform in the industry. Our mission is simple: help people effortlessly find and stream the content they love. We achieve this through cutting-edge technology and engineering, always putting the customer at the center of everything we do. About the Team As part of our team, you'll leverage your diverse skills to support both Software Engineers and QA Engineers, tackling the daily challenges of their roles. Your specialist knowledge will be invaluable in suggesting improvements to enhance quality and streamline workflows, ensuring we continue to exceed our customers' expectations. What you'll be doing Design, develop, and maintain AI-driven automation systems Collaborate with data scientists, software engineers, and product teams to understand and deliver AI-based solutions. Build new tools and technology Assist in monitoring and maintenance of critical systems Debug failing tests to improve the quality of automated test tools and frameworks Conduct code reviews for improving code quality and optimization Promote coding conventions and standards for code re-usability and cleanliness We're excited if you have 5+ years of hands-on experience with automation systems 3+ years of programming experience, preferably with Python for scripting and working with machine learning tools Ability to design, implement, and optimize solutions leveraging LLMs via API Experience using various LLMs (Open AI, Anthropic APIs) and AI Frameworks like langchain, Tensorflow etc. Hands-on experience testing AI-powered features (e.g., recommendation systems, computer vision models, chatbots). 2+ years of experience developing test plans and test cases Bachelor’s degree in Computer Science or related Expert-level debugging skills Excellent verbal and written communication skills Experience working with remote teams Knowledge of continuous integration tools (Jenkins/Hudson, TeamCity, Maven, Gradle) Hands on experience and proficiency in Linux/Unix systems Hands on AWS experience or equivalent cloud providers Ability to learn new technologies quickly Mentoring less experienced Engineers and driving automation development A self-directed professional able to work independently Previous experience with Non-Functional Testing (Performance Testing, Stress Testing) Experience with infrastructure as code and orchestration technologies (Terraform, Kubernetes, CloudFormation) Certifications or training in AI/ML or AI testing (e.g., Coursera AI for Everyone, Google AI Engineer, ISTQB AI Testing Foundation) #LI-AB3 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Senior Machine Learning Engineer  

    - Cambridge
    Teamwork makes the stream work. Roku is changing how the world watches... Read More
    Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the team Roku is the No. 1 TV streaming platform in the U.S., Canada, and Mexico with 70+ millions of active accounts. Roku pioneered streaming to the TV and continues to innovate and lead the industry. We believe Roku’s continued success relies on its investment in our machine learning/ML recommendation engine. Roku enables our users to access millions of contents including movies, episodes, news, sports, music and channels from all around the world.  About the role  The depth of query, content and user understanding using ML is key to user happiness in their search journey. Solving this customer problem is why we're actively looking for a Senior Machine Learning Engineer, Search & Recommendations to drive further innovation in search and discovery. The person in this role will leverage their technical skills, business intuition, and analytical thinking to build best of class AI powered products. Hence, communication and presentation skills are important. The role requires both high technical acumen and problem-solving abilities, motivation, and exceptional attention to detail. Every day, you'll look at what exists and find ways to make it better. What you'll be doing Apply state of the art ML on search using techniques in deep learning, bandits, transformers, LLMs, causal inference, and optimisations to make our users more delighted and engaged on the platform Run online AB tests and analyse them against the critical business KPIs Collaborate with US engineering teams as well as cross-functional teams to translate business requirements into technical specifications Nurture our ML ecosystem to make it withstand scale, developer velocity and future business shifts Provide technical leadership to drive technical and ML roadmap for search ranking and monetisation Help in recruiting new engineers. Interview, train, and mentor new team members We're excited if you have 8+ years of experience (or PhD with 6 years of experience) applying Machine Learning to concrete problems at large-scale in domains like recommendation or search or ads Strong CS fundamentals. Should be able covert ideas to code with ease Good understanding of machine learning fundamentals like classification, deep neural nets, and sequence-based models. Familiarity with modern NLP stack and multi-modal representation learning is a plus We'd love to see that you've worked with big data systems (Spark, S3, and Airflow) and can program (Java, Scala, or Python)  Good understanding of system architecture. Have experience in big data technologies and streaming architecture, data pipelines, etc. MS in Computer Science, Statistics, or related field, but a Ph.D. in CS or related fields is preferred #LI-MS3 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Senior Network Engineer  

    - Manchester
    Teamwork makes the stream work. Roku is changing how the world watches... Read More
    Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers. From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines. About the Team We are the Global Enterprise Network Engineering team at Roku, responsible for designing, deploying, and maintaining a high-performance, secure, and resilient network that keeps our offices running and our engineers productive. We work with cutting-edge technologies, including advanced SD-WAN, high-density WiFi, next-gen firewalls, automation, and cloud networking, to ensure seamless connectivity and operational efficiency. Our team focuses on scalability, security, and performance, enabling Roku employees to innovate without network limitations. Every team member contributes to the success of the team, and every decision matters. We aim to make our products easy and joyful to use for our customers. We are looking for an accomplished Senior Network Engineer that possesses exemplary technical skills, passion for their craft, keen attention to detail, and is not afraid to take on a challenging task. In this role, you will be expected to be self-driven, willing, and capable of taking full ownership of features and projects, leading them to successful completion. About the role As a Senior Network Engineer at Roku, you play a critical role in designing, implementing, and maintaining a high-performance, secure, and scalable network infrastructure. You work with cutting-edge technologies, including SD-WAN, high-density WiFi, next-gen firewalls, automation, routing and switching, and cloud networking, to ensure seamless connectivity across all Roku offices. Your responsibilities include troubleshooting complex network issues, optimizing performance, enhancing security, and driving automation to improve operational efficiency. You collaborate with cross-functional teams to support business needs, ensuring that Roku employees have a reliable and secure network to stay productive. What you'll be doing Design, configure, and implement network solutions based on business requirements.  Deploy, manage, and troubleshoot Cisco IOS, Cato SD-WAN, Meraki, and Wireless 802.11ax technologies.  Ensure network security and compliance with industry standards and best practices.  Monitor network performance and optimize it for maximum efficiency and reliability.  Identify and resolve network issues, bottlenecks, and vulnerabilities.  Implement network upgrades and improvements to enhance overall performance.  Maintain accurate network documentation, including network diagrams, configurations, and procedures.  Generate reports on network performance, security, and other relevant metrics.  Collaborate with cross-functional teams and vendors to support business initiatives.  Provide technical support and mentorship to junior staff members.  We're excited if you have  Bachelor's degree in computer science, Information Technology, or a related field, MS degree preferred. Cisco Certified Network Professional (CCNP) or higher certification preferred.  Minimum 7 years proven experience in designing, implementing, automating, and managing complex network infrastructures.  Hands-on experience with Cisco IOS,Network Automation, Cato SD-WAN, Meraki, and Wireless 802.11ax technologies.  In-depth knowledge of routing, switching, firewall, and VPN technologies.  Proficiency in configuring and troubleshooting Cisco routers, switches, WAP, and firewalls.  Familiarity Automation tools like Ansible, Python, and Postman.  Experience with cloud-managed networking solutions, specifically Meraki.  Strong understanding of Wireless 802.11ax standards and deployment best practices.  Excellent analytical and problem-solving skills.  Cisco Certified Network Professional (CCNP) or equivalent certification is highly desirable.  Certifications in related technologies such as Meraki or Cato SD-WAN are a plus.  Ability to convey complex technical concepts to non-technical stakeholders clearly.  Ability to work effectively in a collaborative team environment.  Willingness to learn and adapt to new technologies and industry trends.  Ability to thrive in a fast-paced, dynamic work environment. AI literacy and curiosity. You have either 1) tried Gen AI in your previous work or outside of work or 2) are curious about Gen AI and have explored it. You will possess the skills and confidence to navigate working in a fast-paced environment and be frequently taken out of your comfort zone. You will need to be able to ask questions and apply critical thinking to situations and seize opportunities to learn and improve yourself independently along with keeping up to date with the latest technologies.  #LI-SS5 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Senior Software Engineer, UI  

    - Cambridge
    About the RoleOur products are known for their seamless integration an... Read More
    About the RoleOur products are known for their seamless integration and intuitive design that delights users right out of the box. These qualities are the result of meticulous engineering and a commitment to excellence. As part of the engineering team, you’ll work on both firmware and UI development, contributing to features for Screensavers, Themes, Static & Dynamic Wallpapers, and Microsites. You’ll also support customer applications on the Roku platform, incorporating new features to meet evolving requirements. This role requires a strong foundation in both embedded systems and UI development, with a focus on C++ for firmware and JavaScript/BrightScript for UI. You’ll have the opportunity to work across the stack, from low-level system components to user-facing features. What You'll Be Doing Designing and developing features for Themed Experiences on the Roku OS, spanning both firmware and UI layers. Writing efficient, high-quality C++ code for embedded systems and integrating it with UI components. Collaborating with UI/UX design and Platform Services teams to create and implement new experiences. Building proof-of-concepts (PoCs) and adapting them for production release. Investigating, diagnosing, and resolving issues to maintain commercially viable solutions. Optimizing performance and memory usage across firmware and UI components. We Are Excited If You Have 2+ years of relevant software development experience. Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field. Proficiency in C++, especially in embedded environments, with a strong understanding of memory management, multi-threading, and performance optimization. Experience with scripting languages such as JavaScript, TypeScript, React Native, Python, or BrightScript. Experience with prompt engineering and proficiency in utilising AI tools such as CoPilot. Experience in consumer electronics, particularly in media/content or ad product development. A track record of productionising solutions, including content management, UI development, cloud development, and cloud backend integration. Knowledge of Core OS concepts like memory management, threading, and system-level debugging. Experience in API design, with an understanding of considerations and trade-offs. Strong communication skills, as this role involves frequent collaboration across teams. #LI-NM1 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less
  • Data Analytics Manager  

    - Cambridge
    About the RoleWe are seeking a Manager, Analytics to lead a team of An... Read More
    About the RoleWe are seeking a Manager, Analytics to lead a team of Analysts and Data Scientists, delivering insights that drive product and marketing strategies. This role is pivotal in shaping how we understand user behavior and optimize experiences. As a Manager, Analytics, you will: Work cross-functionally with product, marketing, and engineering teams to address key business questions. Drive impactful decision-making through robust analyses and insights. Guide and develop your team to grow their influence and effectiveness within the business. What you'll be doing  Partner with analytics, product, and marketing leaders to: Understand business goals and requirements. Develop roadmaps and project plans. Deliver meaningful, actionable analyses to guide strategies. Hire, mentor, and develop a high-performing team of Analysts and Data Scientists. Utilize advanced analytical methods, including causal inference and experimentation, to derive insights. Create data-driven narratives and perspectives to influence strategic decisions. Collaborate with Business Intelligence and Data Engineering teams to ensure evolving data needs are met. Monitor key metrics and processes to: Identify trends and opportunities. Diagnose and address root causes driving business impact. Coordinate efforts across Core Analytics teams in Europe to align strategies and initiatives. We're excited if you have:  Extensive experience in analytics, with proven expertise in delivering actionable insights. Demonstrable experience of building and leading analytics teams, including supervisory duties. Fluency in SQL and Python/R. Proficiency in causal impact frameworks and experimentation techniques. Familiarity with tools like Looker and/or Tableau. Strong statistical knowledge and application. Excellent communication and storytelling abilities, translating data into actionable insights. The ability to work autonomously and across multiple time zones. An ownership mindset, taking accountability for driving results. This role can be based in either Cambridge, or Manchester. You are required to work in the office for 4 days per week, this is the core requirement of the role #LI-ST1 Benefits Roku is committed to offering a diverse range of benefits as part of our compensation package to support our employees and their families. Our comprehensive benefits include global access to mental health and financial wellness support and resources. Local benefits include statutory and voluntary benefits which may include healthcare (medical, dental, and vision), life, accident, disability, commuter, and retirement options (401(k)/pension). Our employees can take time off work for vacation and other personal reasons to balance their evolving work and life needs. It's important to note that not every benefit is available in all locations or for every role. For details specific to your location, please consult with your recruiter. The Roku Culture Roku is a great place for people who want to work in a fast-paced environment where everyone is focused on the company's success rather than their own. We try to surround ourselves with people who are great at their jobs, who are easy to work with, and who keep their egos in check. We appreciate a sense of humor. We believe a fewer number of very talented folks can do more for less cost than a larger number of less talented teams. We're independent thinkers with big ideas who act boldly, move fast and accomplish extraordinary things through collaboration and trust. In short, at Roku you'll be part of a company that's changing how the world watches TV.  We have a unique culture that we are proud of. We think of ourselves primarily as problem-solvers, which itself is a two-part idea. We come up with the solution, but the solution isn't real until it is built and delivered to the customer. That penchant for action gives us a pragmatic approach to innovation, one that has served us well since 2002.  Read Less

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