Remote Full-Stack Developer (Kotlin/Java/React + AI Focus)Scanz has been working for nearly two decades in the real-time trading technology and fintech space. We operate a market-leading SaaS platform that delivers complex technological systems for serious traders worldwide.By joining Scanz, you'll become part of a company that fosters self-improvement and actively seeks out-of-the-box ideas. Our teams work together to create the next generation of financial trading software.
Job DescriptionWe are seeking a versatile Full-Stack Developer with strong backend foundations to join our team and contribute across multiple areas of our platform, from server-side systems to billing infrastructure to desktop applications. This role is ideal for someone who thrives working across the stack and is passionate about leveraging AI tools and LLMs to accelerate development and build intelligent features.You will primarily work with Kotlin/Java on the backend and TypeScript on the frontend, with significant exposure to our Electron desktop application and billing/accounts systems. A key aspect of this role involves pioneering our AI-first development practices, which consists of building AI-powered features for our users and establishing internal AI tooling and workflows.Scanz is a leading SaaS Trader Terminal that provides a suite of real-time trading tools to help traders and investors identify live trading opportunities in the US stock market. We are dedicated to offering our users, from trading pros to absolute beginners, an intuitive and efficient trading experience.
ResponsibilitiesCore Development (~50%)Design and implement server-side logic using Spring Webflux and Kotlin.Build robust, reliable, fault-tolerant data pipelines that process millions of operations daily.Collaborate with front-end developers to integrate user-facing elements with server-side logic.Maintain and enhance our user accounts backend APIsContribute to our Electron desktop application and common client librariesDevelop and maintain APIs, ensuring high performance and responsivenessContribute to database design and implementation (PostgreSQL)Participate in code reviews and daily remote standups
AI & Innovation (~50%)Champion AI-first development practices across the teamBuild and maintain AI-powered features for our trading platformDevelop internal AI tooling: agents for documentation, architecture analysis, code assistance, and workflow automationExperiment with and evaluate emerging LLM capabilities and integrate them into our development processesCreate and optimize prompts, context systems, and AI workflowsHelp onboard team members to AI-assisted development practices
RequirementsTechnical SkillsStrong proficiency in Kotlin and JavaProficiency with TypeScript and modern frontend frameworks (React, Vue.js)Experience with Electron or desktop application development (preferred)Familiarity with Spring Webflux, reactive programming conceptsExperience with billing/payments systems (Stripe, subscription management) is a plusComfortable with database systems, particularly PostgreSQLExperience with containerization technologies (Docker, Kubernetes)Comfortable using AWS and cloud computing platformsSolid understanding of testing practices (unit, integration, E2E)
AI & LLM ExperienceDemonstrated experience using advanced AI development workflowsExperience with LLM APIs and prompt engineeringExperience building AI-powered features or agentsEnthusiasm for exploring and pushing the boundaries of AI-assisted developmentModel fine tuning (nice to have)RAG implementation (nice to have)
Soft SkillsSelf-motivated and comfortable working across multiple domainsStrong problem-solving skills and ability to context-switch effectivelyExcellent collaboration and communication skills within an asynchronous environment (Slack, Loom)Willingness to learn new technologies and adapt quicklyCurious mindset with eagerness to experiment with emerging tools and approaches
Tech StackBackendKotlin, JavaSpring Webflux,Kotlin CoroutinesRSocketPostgreSQL(mostly R2DBC or jooq), MongodbJUnit, TestContainersGradleExpress JS
Frontend & DesktopTypeScript, React (with hooks), Vue.jsElectronKotlin MultiplatformNPM, Gradle
InfrastructureAWS + S3Prometheus, GrafanaJenkins, GitHubDocker, Kubernetes
AI/LLM (Current & Expanding)Claude API, OpenRouterBraintrust for AI OpsAI coding assistantsVercel AI SDKInternal tooling TBD (you'll help shape this)
Why This Role?This isn't a typical backend position. You'll have the opportunity to work across our entire stack while playing a foundational role in how we integrate AI into both our product and our development practices. If you're excited about the rapidly evolving AI landscape and want to be at the forefront of applying these tools in a real-world fintech environment, we'd love to hear from you.
To ApplyPlease include:Your resume/CVA brief note on your experience with AI tools in development (what you've used, how it's changed your workflow, any projects you've built)Any relevant examples of full-stack or cross-domain work
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