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Client Server
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  • Marketing Data Analyst / Scientist - Fintech  

    - London
    Marketing Data Analyst / Scientist (GA4 DBT SQL GIT) London / WFH to £... Read More
    Marketing Data Analyst / Scientist (GA4 DBT SQL GIT) London / WFH to £90kDo you have expertise with analysing marketing data combined with excellent stakeholder management and communication skills?You could be progressing your career in an impactful Marketing Data Analyst at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Marketing Data Analyst / Scientist you will analyse marketing campaign performance across digital channels to drive insights, optimise campaigns and improve marketing effectiveness, collaborating with Product Managers and cross functional teams to provide insights that make a significant commercial impact. You'll support the marketing team with segmentation and targeting strategies using data analysis, conduct thorough A / B testing to identify trends and opportunities and make statistical, data driven recommendations to improve marketing effectiveness. You'll be working with immature datasets with lots of changes and variables, experimenting and trying new things including modifying data pipelines. Location / WFH: There's a hybrid model with two days a week work from home, when you are in the office you'll be based in the City with an upbeat team environment, casual dress code and a range of facilities including roof terrace, restaurant and break out areas.About you: You have strong marketing analytics or data analysis experience for complex campaigns with A/B testing and multiple versions to understand success metrics You have SQL skills and the technical ability to debug and make configuration amendments within DBT data pipelines, Airflow experience is desirable You have experience with GIT version control You have a good knowledge of Google Analytics, GA4You have a good understanding of marketing metrics, KPIs and attribution models You can translate data into actionable marketing insights You have advanced communication, collaboration and stakeholder management skillsYou have a strong understanding of mathematics, statistics and data science principles / tools Read Less
  • Junior Recruiter - Cross Train from Sales  

    - Esher
    Junior Recruiter / Recruitment Consultant Esher to £30k+Do you have re... Read More
    Junior Recruiter / Recruitment Consultant Esher to £30k+Do you have recruitment or sales experience? Looking to upgrade your career with a more lucrative position? You could be progressing your career as a Junior Recruiter, with continuous training and career development (a few of our Directors started out as Junior Recruiters!), earning significant commission and enjoying a range of perks and benefits.Client Server is a Technology Recruitment Consultancy based in London, Surrey and Cardiff. We specialise in finding exceptional candidates across the technology sphere, from global conglomerates to tech start-ups. We are looking for highly motivated sales people to join our Client Server Regional team in Esher, Surrey. It's one of our top performing and fastest growing teams within the business who solely focus on hiring exceptional technologists for our clients based outside of London.Following a comprehensive training programme, as a Junior Recruiter you will be recruiting for an established client base offering immediate significant uncapped earning potential. You won't be expected to do 360 with dedicated marketing, advertising, new business and back office teams to support you and help you reach your full potential. Throughout your career you will receive extensive training in recruitment, sales techniques, technology, financial and business markets equipping you with the knowledge to rapidly progress your career from Junior Recruiter to Recruitment Consultant to Account Manager to Team Leader and beyond.Recruitment is one of the fastest growing industries in the UK, offering the opportunity to work in a challenging and exciting environment where you can directly determine the level of your success and earning potential (this is NOT a HR role; it is a fast paced sales position where you will have to get used to operating outside of your comfort zone).There's clear career progression - the speed and level of progression is down to you; one of our directors started as a trainee consultant and within four years progressed to Director level.Responsibilities as a Junior Recruiter:Effectively interview and assess candidates for suitable positions over the phonePro-actively find / headhunt and create your own network of high calibre candidates (via LinkedIn Recruiter and other sources, we have our own database of over 300,000 qualified tech professionals)Negotiate offers and successfully place candidatesAchieve call time and CV send out KPIs What's in it for you:You'll earn a competitive base salary of up to £30k with uncapped commissionYou'll qualify for healthcare and subsidised gym membershipYou'll be able to win great incentive prizes such as 5* luxury holidays, Amazon vouchers etc.If you're amongst our top billers or hitting all your KPIs you'll qualify for lunch club and be taken to one of London's top eateries for an all expenses paid lunch and drinksA modern well equipped (dog friendly) office environment with dual screens, on-screen dialling and excellent views over Sandown racecourseExcellent training and career growth opportunitiesAbout you:You're highly competitive, self-motivated and driven by successYou have experience in a recruitment or sales based positionYou're naturally bright, articulate and confidentYou have excellent negotiation skills Read Less
  • Backend Developer TypeScript Node.js - Start-up  

    - London
    Backend Developer / Software Engineer (TypeScript Node.js) London / WF... Read More
    Backend Developer / Software Engineer (TypeScript Node.js) London / WFH to £100kAre you a senior technologist looking for an opportunity to progress your career in a hands-on role where you can make an impact?You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central marketplace where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales.As a Backend Developer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and Node backend systems but also with exposure to and occasional frontend work. You'll help to ensure best practices are maintained and participate in code reviews to maintain sound engineering practices and share knowledge with the team. Location / WFH:There's a remote first policy, with the caveat that you'll meet up with the team in London once every two months, so you can work from home most of the time.About you:You have experience of building enterprise grade systems that are reliable, secure, maintainable and observableYou have strong TypeScript and Node.js backend development skills - Python is also desirable for data related work You have experience of building event-driven systems and public APIsYou have a strong appreciation of SaaS, Kubernetes, Infrastructure as Code, GitOps, CI/CD practices and Cloud infrastructure (they use GCP but AWS experience is also fine)You have some experience with front end work using React (or similar) You're comfortable in a fast paced, sometimes ambiguous start-up environment with changing priorities You have used AI tools and are comfortable and interested in how to use them to improve efficiency You're collaborative and pragmatic with great communication skillsWhat's in it for you:Salary to £100kStock options Impactful role with excellent career growth Remote workingApply now to find out more about this Backend Developer / Software Engineer (TypeScript Node.js) opportunity. Read Less
  • Graduate Software Engineer - Fintech  

    - Newcastle upon Tyne
    Graduate Software Engineer / Developer *Newcastle onsite* £33k+ - Star... Read More
    Graduate Software Engineer / Developer *Newcastle onsite* £33k+ - Start March 2026Are you a bright, ambitious technologist with a top class education looking for an opportunity to join a tech start-up? You could be progressing your career at a rapidly growing Fintech that have secure backing and an established Hedge Fund client as a partner, gaining valuable financial trading systems experience. As a Graduate Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. You'll be problem solving and working on complex, challenging systems with continual learning and self-development opportunities.Location: You'll join colleagues in Central Newcastle offices on a full-time basis (Monday to Friday). *Please note the start date for this role is March 2026*About you:You have achieved a minimum 1st class degree BSc in Computer Science (or similar discipline e.g. Physics, Mathematics) from a top 10 Russel Group (or top World) university, backed by A* and A's at A-level You have coding skills with modern C# .Net (will also consider other programming languages, e.g. Python, C++, Java if you're happy to use C# going forward)You're a technologist who enjoys collaborating and problem solvingYou have a good knowledge of modern software engineering best practices across the full software development lifecycleYou have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, AlgorithmsYou're excited to join a start-up in a role that you can shape and influence What's in it for you:As a Graduate Software Engineer / Developer you will earn a competitive bonus and benefits package:Starting salary of £33,000Bonus25 days holidayBupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays at the onsite barApply now to find out more about this Graduate Software Engineer / Developer (Computer Science C# .Net) opportunity.At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values. Read Less
  • IT Service Desk Analyst 2nd line  

    - Sutton
    IT Service Desk Analyst (2nd line Windows Azure O365) Sutton / WFH to... Read More
    IT Service Desk Analyst (2nd line Windows Azure O365) Sutton / WFH to £40kAre you a talented IT Service Desk Analyst looking for an opportunity to progress your career?You could be joining a market leading chemical distributor that supplies various companies including pharmaceutical and beauty product manufacturers. As a Service Desk Analyst, you will work alongside a team of four to provide exceptional 2nd line support to internal users. You will be required to provide both onsite and remote support and maintenance of all systems, devices, and applications that are used internally by the company which is currently around 300 employees in the UK. You'll support employee queries using the ticketing system on applications including Microsoft Office 365 (Teams, Outlook, Word, Excel, PowerPoint) whilst also installing and configuring computer hardware and operating systems, as well as iPhones and applications using Microsoft Intune and Apple Business Manager. You will also be able to contribute to and run digital transformation projects.Location / WFH:You'll join colleagues in the Sutton office four days a week, with some flexibility to work from home. There is on-site parking available and the train station is only a short walk away.About you: You have experience in a similar 2nd line Service Desk / IT Support positionYou have experience with M365, Office 365 including Outlook, Teams, OneDrive, SharePoint, Word, Excel and IntuneYou have a logical mindset, good organisation and prioritisation skillsYou have excellent communication and collaboration skills with a consultative approach You're happy to take project ownership and help to mentor more junior colleagues It would be great to also have some experience with Salesforce CRM or ERP systems What's in it for you: Up to £40k salaryExcellent career progression25 days holidayPension (7-10% matched contribution)Employee Assistance Line Read Less
  • Backend Software Engineer C#.Net SQL - Sports Trading  

    - London
    Backend Software Engineer / Developer (C# .Net) London onsite to £90kA... Read More
    Backend Software Engineer / Developer (C# .Net) London onsite to £90kAre you an experienced C#, backend focussed Software Engineer?You could be progressing your career in a hands-on, backend focussed Software Engineer role at a global sports trading firm, earning substantial bonuses. What's in it for you:Salary to £90kBonus paid every six months based on personal performance (10-25%)Professional development Pension Health InsuranceGym membershipSocial events, free fruit, snacks, coffee etc.Your role:As a Backend Software Engineer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll often be collaborating with the strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you:You have strong C# .Net, ASP.Net development experienceYou have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript / ReactYou have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, AlgorithmsYou are collaborative with excellent communication and stakeholder management skillsYou are degree educated in Computer Science or similar technical discipline Read Less
  • Senior Software Engineer C#.Net - relocate to Newcastle!  

    - Newcastle upon Tyne
    Senior Software Engineer / Developer (C# .Net) *Newcastle onsite* to £... Read More
    Senior Software Engineer / Developer (C# .Net) *Newcastle onsite* to £130k+Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)?You could be joining a rapidly scaling FinTech start-up based in Newcastle, progressing your career and working on complex and interesting systems in an impactful role. The company has secure backing and an established Hedge Fund client as a partner, they're creating a finance technology hub bringing a wealth of talent and experience. As a Senior Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. The company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career.Location: You'll join colleagues, many of whom have recently relocated themselves, in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours 0900-1800 with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!). About you:You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a world top ranked / Russel Group university, backed by A*s and As at A-levelYou're a technologist who enjoys collaborating and problem solving, working on complex, distributed systemsYou have expertise with modern C# .Net Core, Python skills would also be of benefitYou have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycleYou have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, AlgorithmsYou're excited to join a start-up in a role that you can shape and influence Please note you must be a UK citizen or hold the right to work in the UK (no visa sponsorship available)What's in it for you:As a Senior Software Engineer / Developer you will earn a competitive package:Salary (to £130k, negotiable) Bonus25 days holidayBupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Read Less
  • Senior Software Engineer C#.Net - relocate to Newcastle!  

    - Newcastle upon Tyne
    Senior Software Engineer / Developer (C# .Net) *Newcastle onsite* to £... Read More
    Senior Software Engineer / Developer (C# .Net) *Newcastle onsite* to £130k+Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)?You could be joining a rapidly scaling FinTech start-up based in Newcastle, progressing your career and working on complex and interesting systems in an impactful role. The company has secure backing and an established Hedge Fund client as a partner, they're creating a finance technology hub bringing a wealth of talent and experience. As a Senior Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. The company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career.Location: You'll join colleagues, many of whom have recently relocated themselves, in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours 0900-1800 with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!). About you:You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a world top ranked / Russel Group university, backed by A*s and As at A-levelYou're a technologist who enjoys collaborating and problem solving, working on complex, distributed systemsYou have expertise with modern C# .Net Core, Python skills would also be of benefitYou have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycleYou have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, AlgorithmsYou're excited to join a start-up in a role that you can shape and influence Please note you must be a UK citizen or hold the right to work in the UK (no visa sponsorship available)What's in it for you:As a Senior Software Engineer / Developer you will earn a competitive package:Salary (to £130k, negotiable) Bonus25 days holidayBupa healthcare Generous pension contribution Continuous career development opportunities Social team atmosphere with a range of events and early finish for drinks on Fridays Apply now to find out more about this Senior Software Engineer / Developer (C# .Net Core) opportunity.At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values. Read Less
  • Data Software Engineer Python Spark SaaS  

    - Nottingham
    Data Software Engineer (Python Spark SaaS) Nottingham / WFH to £100kAr... Read More
    Data Software Engineer (Python Spark SaaS) Nottingham / WFH to £100kAre you a data centric Software Engineer with strong Python coding skills? You could be progressing your career in a senior, hands-on role Data Software Engineer at a scaling, global technical services company as they look to expand their product offerings with a new SaaS data analytics platform.As a Data Software Engineer you will join a small team focussed on a huge data platform that provides analytics on mortgage based securities in US markets and is set to revolutionise this space with its advanced technology, providing unprecedented market insight. The role provides many technical challenges, you'll be collaboratively problem solving as part of an Agile development using a range of technology to create data pipelines with a focus on Python and Spark; you'll be working with Azure, ETL pipelines and CI/CD, ingesting and analysing terabytes of data with varying structures from a range of sources. You'll be continually learning and picking new things up on the job; there are opportunities for technical leadership and project ownership and you'll be encouraged to assess and recommend new and emerging technologies, proactively seeking improvement. WFH Policy:You will join a diverse, global team; there's a hybrid work from home model with two days per week in the Nottingham office.About you:You have strong Python backend software engineer skillsYou have experience working with large data setsYou have experience of using PySpark and ideally also Apache Spark You believe in automating wherever possible You're a collaborative problem solver with great communication skillsOther technology in the stack includes: FastAPI, Django, Airflow, Kafka, ETL, CI/CD, experience with some or all would be beneficial but you'll pick it up on the jobWhat's in it for you:Salary to £100k + bonusHealth InsuranceLife Assurance25 days holidayTraining and self-development budget Impactful role with excellent career growth Read Less
  • Lead Data Engineer SQL Python  

    - London
    Lead Data Engineer (SQL Python Snowflake) London / WFH to £85kAre you... Read More
    Lead Data Engineer (SQL Python Snowflake) London / WFH to £85kAre you a skilled data technologist with strong leadership and stakeholder management skills?You could be progressing your career in a senior, hands-on Data Engineer position at a global tech company that provide data centric software solutions to major blue-chip and government organisations to enable them to discover and analyse data and customer feedback.What's in it for you:As a Lead Data Engineer you'll earn a competitive package:Salary to £85kBonusUnlimited holiday allowance Flexible working (x1 day a week in London)Private medical insurance as well as well-being benefitsPension and Life Assurance Committees for wellness, charity and volunteering, DE&ITeam and company socialsYour role:As a Lead Data Engineer you will plan and lead data engineering activities across multiple programmes of work to deliver secure, robust and scalable data engineering solutions for complex data analytics products. You'll implement modern data engineering practices, build complex data pipelines and provide guidance to other team members to ensure optimal code performance is achieved, championing best practices. Beyond this you'll seek to monetise the database, collaborating closely with business leaders.Location / WFH: You can work from home most of the time, meeting up with colleagues in the London office twice a week.About you:You have experience of building data pipelines on cloud platforms, working with a wide variety of data structures such as Data Warehouses and Data Lakes You have advanced SQL knowledge and experience You have commercial acumen and can spot opportunities to innovate and improve, keeping up to date with the latest trendsYou have technical leadership, coaching and mentoring skills with advanced communication and stakeholder management skillsYou have Python coding skillsYou have Snowflake experience You have experience of working in Agile development environments, with a good understanding of DevOps practices, CI/CD, Automation Experience with Azure is desirable but not essential Apply now to find out more about this Lead Data Engineer (SQL Python Snowflake) opportunity. Read Less

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