26 to 50 of 96 Client/Server Jobs in the South East

Quantitative Analyst / Modeller (SQL Mathematics Statistics) London / WFH to £95k Do you have advanced mathematical / data modelling skills combined with experience within the Sports Betting industry? You could be progressing your career in a senior, hands-on Quantitative Analyst / Modeller role at a growing technology company that's advanced data analytics platform … helps business within the online gaming and gambling industry to solve a range of problems. As a Quantitative Analyst / Modeller you will build mathematical models and simulations to predict the likely outcomes of different scenarios in game play, rigorously backtest and validate models to ensure their robustness, accuracy and profitability in real-world betting scenarios and drive the … you'll collaborate with their technical team, providing advanced mathematical models derived from large datasets and statistics for the client's MLOps team to productionise. Location / WFH: You'll join a friendly and sociable team in the London office two days a week (Mondays and Thursdays) with flexibility to work from home the other three More ❯

Quantitative Analyst / Modeller (SQL Mathematics Statistics) London / WFH to £95k Do you have advanced mathematical / data modelling skills combined with experience within the Sports Betting industry? You could be progressing your career in a senior, hands-on Quantitative Analyst / Modeller role at a growing technology company that's advanced data analytics platform … helps business within the online gaming and gambling industry to solve a range of problems. As a Quantitative Analyst / Modeller you will build mathematical models and simulations to predict the likely outcomes of different scenarios in game play, rigorously backtest and validate models to ensure their robustness, accuracy and profitability in real-world betting scenarios and drive the … you'll collaborate with their technical team, providing advanced mathematical models derived from large datasets and statistics for the client's MLOps team to productionise. Location / WFH: You'll join a friendly and sociable team in the London office two days a week (Mondays and Thursdays) with flexibility to work from home the other three More ❯

Lead Backend Software Engineer / Developer (Java AWS) London / WFH to £115k Are you a hands-on Backend Software Engineer with team leadership skills? You could be progressing your career in a Lead Backend Software Engineer role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top … Lead Backend Software Engineer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70 / 30). You'll set the technical direction, mentor engineers and ensure code quality, observability, scalability and security are embedded into high-quality, high-impact releases. You'll be … working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI / CD to build highly scalable, distributed systems with 24 / 7 availability. 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 More ❯

C++ Developer / Backend Software Engineer (Windows C / C++, C#) London to £70k FTC Are you a skilled C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a C++ Developer you will join an Agile team focussed … transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great More ❯

C++ Developer / Backend Software Engineer (Windows C / C++, C#) London to £70k FTC Are you a skilled C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a C++ Developer you will join an Agile team focussed … transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great More ❯

C++ Developer / Backend Software Engineer (Windows C / C++, C#) London to £70k FTC Are you a skilled C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a C++ Developer you will join an Agile team focussed … transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great More ❯

Software Development Engineer in Test / SDET (AI Cypress TDD) Reigate / WFH to £85k Do you have strong QA testing experience combined with an interest in AI? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game changing technology. As a Software Development Engineer in Test … with a focus on testing the AI elements of the product, as well as full stack testing using tools such as Cypress, with Python, JavaScript or C# coding. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with … the other three days work from home. About you: You are a skilled Software Development Engineer in Test / SDET with strong Python, JavaScript or C# coding skills You have experience with Cypress and / or Playwright You're familiar with TDD / DDD You have meticulous attention to detail You are collaborative and pragmatic with great More ❯

Lead Software Developer / Engineer (C# .Net Azure SaaS) Reigate / WFH to £100k Do you have expertise with C# cloud based development combined with technical / team leadership skills? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities a global Fintech. … other development teams to input into design and technical choices and provide technical guidance to your team in an Agile environment that encourages close collaboration and continual improvement. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with … knowledge of event driven architecture You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patters, Algorithms You have a good understanding of CI / CD and Infrastructure as Code (IaC) You're likely to be degree educated in a relevant STEM discipline Apply now to find out more about this Lead Software Developer More ❯

Lead Software Engineer / Developer (C# .Net Azure SaaS) Reigate / WFH to £100k Do you have expertise with C# cloud based development combined with technical / team leadership skills? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities a global Fintech. … other development teams to input into design and technical choices and provide technical guidance to your team in an Agile environment that encourages close collaboration and continual improvement. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with … knowledge of event driven architecture You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patters, Algorithms You have a good understanding of CI / CD and Infrastructure as Code (IaC) You're likely to be degree educated in a relevant STEM discipline What's in it for you: As a Lead Software Engineer More ❯

Front End Developer / Engineer (TypeScript React Native AI) London / WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career as a … advantage. You'll work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript / TypeScript and React but will be able to pick new technologies and skills up on the job. Location / WFH: You'll be joining a friendly and supportive … skills You are a passionate technologist, keep up to date with the latest innovations and learn new things You have solid knowledge of software engineering principles, Agile practices, CI / CD and ideally have experience within a cloud environment (AWS preferred) You are a bright, proactive individual and a strong problem solver with commercial acumen What's in it More ❯

Senior Test Engineer / QA Tester (SDET Python .Net AI) Reigate / WFH to £85k Are you a QA testing technologist with Python or C# .Net coding skills and an interest in AI? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game changing technology. As a … with a focus on testing the AI elements of the product, as well as full stack testing using tools such as Cypress, with Python, JavaScript or C# coding. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with … the other three days work from home. About you: You are a skilled Software Development Engineer in Test / SDET with strong Python or C# .Net coding skills, TypeScript would also be of benefit You have a strong understanding of application architecture and microservices - how to test all layers of an application You have a strong understanding of software More ❯

Full Stack Developer / Software Engineer (Java AWS React) London / WFH to £110k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance and technology … You'll collaborate closely with the Lead Engineer, Architect and Product Manager to shape system design, APIs and data models to enable scalable backend logic and clean UI. Location / WFH: You can work from home most of the time, meeting up with colleagues in London; as the company grows there will likely be some in office requirements but … with lots of flexibility. About you: You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface / front end development using React or Tailwind CSS You have a strong knowledge of modern software engineering best practices including cloud native applications, microservices and CI / CD You are an advocate of AI More ❯

Backend Software Engineer / Developer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a senior Backend Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post … solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a Backend Software Engineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of … environment, but you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and working with a highly collaborative, experienced team. Location / WFH: You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ More ❯

Senior C++ Software Engineer / Developer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives … solutions for peak operational efficiency and optimum business performance for their clients. This is an exciting opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a C++ Software Engineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of … environment, but you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and working with a highly collaborative, experienced team. Location / WFH: You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ More ❯

Software Engineer / Front End Developer (TypeScript React Native AI) London / WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks You could be progressing your career as … on front end work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript / TypeScript and React but will be able to pick new technologies and skills up on the job. Location / WFH: You'll be joining a friendly and supportive … skills You are a passionate technologist, keep up to date with the latest innovations and learn new things You have solid knowledge of software engineering principles, Agile practices, CI / CD and ideally have experience within a cloud environment (AWS preferred) You are a bright, proactive individual and a strong problem solver with commercial acumen What's in it More ❯

Senior QA Engineer (Python AI) Reigate / WFH to £85k Are you a QA testing technologist with an interest in AI? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game changing technology. As a Senior QA Engineer you will be a key member of an Agile engineering … with a focus on testing the AI elements of the product, as well as full stack testing using tools such as Cypress, with Python, JavaScript or C# coding. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with … the other three days work from home. About you: You are a skilled Software Development Engineer in Test / SDET with strong Python or C# coding skills You have experience with Cypress and / or Playwright You're familiar with TDD / DDD You have meticulous attention to detail You are collaborative and pragmatic with great communication More ❯

Full Stack Engineer / Developer (.Net Core JavaScript React) Leatherhead to £70k Do you enjoy working with a range of tech across the full stack? You could be joining one of Britain's largest and longest standing Microsoft partners and technology consultancies, working on a range of projects and progressing your career. As a Full Stack Engineer you'll … join a small team, designing and developing a range of applications with a focus on backend development (70 / 30), for eCommerce clients. You'll be using a range of modern technologies including C# .Net Core, JavaScript / TypeScript and React within a DevOps, Azure, SaaS environment. There currently breaking up monolith applications into microservices. You'll be … practice within a friendly and supportive Agile development environment, you'll be able to lead stand-ups, discuss ideas, reason about trade-offs and ensure deadlines are met. Location / WFH: There's a hybrid work from home policy with two days a week in the Leatherhead office (just off M25 or about 10 minute walk from the station More ❯

Full Stack Engineer / Developer (TypeScript Elixir AWS) London / WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a successful and … reliability in mind, across the full development lifecycle from architecture and design through to implementation. There's a range of technology in the stack, you'll have a 50 / 50 split between backend and frontend development using TypeScript, Elixir, Elm and AWS amongst others, learning and picking new things up on the job in a collaborative, tech driven … environment where you can get stuff done and see the results of your work. Location / WFH: You'll join the team in London three days a week in a hybrid work from home model. About you: You are degree educated in Computer Science or similar STEM discipline, having achieved a 2.1 or above from a Russel Group / More ❯

Full Stack Engineer / Developer (TypeScript Elixir AWS) London / WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a successful and … reliability in mind, across the full development lifecycle from architecture and design through to implementation. There's a range of technology in the stack, you'll have a 50 / 50 split between backend and frontend development using TypeScript, Elixir, Elm and AWS amongst others, learning and picking new things up on the job in a collaborative, tech driven … environment where you can get stuff done and see the results of your work. Location / WFH: You'll join the team in London three days a week in a hybrid work from home model. About you: You are degree educated in Computer Science or similar STEM discipline, having achieved a 2.1 or above from a Russel Group / More ❯

Software Engineer / Full Stack Developer (C# .Net Core AWS JavaScript) St Albans / WFH to £100k Opportunity to progress your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on … systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in … enjoy collaborating, learning new things and sharing knowledge You are degree educated in Computer Science or closely related discipline Apply now to find out more about this Software Engineer / Developer (C# .Net Core AWS JavaScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and More ❯

Senior C++ Developer / Software Engineer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post … solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a Senior C++ Developer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of … environment, but you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and working with a highly collaborative, experienced team. Location / WFH: You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ More ❯

Senior C++ Developer / Software Engineer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post … solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a Senior C++ Developer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of … environment, but you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and working with a highly collaborative, experienced team. Location / WFH: You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ More ❯

Senior Data Engineer (Kafka Python AWS) London / WFH to £80k Are you a data technologist with fluent Python coding skills who enjoys working with and continually learning new technologies? You could be progressing your career in a senior, hands-on role at a "Tech for Good" company that is enabling life changing education to be accessed by millions … with analytics, product and machine learning teams to make data accessible, trust worthy and reusable. You'll be encouraged to contribute ideas and investigate new and emerging technologies. Location / WFH: You'll join the team in London four days a week with flexibility to work from home once a week. About you: You have experience as a Data … KTables You have strong SQL skills (e.g. PostgreSQL, MySQL) You have strong AWS knowledge, ideally including S3 and Lambda You have a good understanding of data modelling and batch / streaming ETL / ELT patterns You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Data Engineer you will receive More ❯

Senior Data Engineer (Kafka Python AWS) London / WFH to £80k Are you a data technologist with fluent Python coding skills who enjoys working with and continually learning new technologies? You could be progressing your career in a senior, hands-on role at a "Tech for Good" company that is enabling life changing education to be accessed by millions … with analytics, product and machine learning teams to make data accessible, trust worthy and reusable. You'll be encouraged to contribute ideas and investigate new and emerging technologies. Location / WFH: You'll join the team in London four days a week with flexibility to work from home once a week. About you: You have experience as a Data … KTables You have strong SQL skills (e.g. PostgreSQL, MySQL) You have strong AWS knowledge, ideally including S3 and Lambda You have a good understanding of data modelling and batch / streaming ETL / ELT patterns You're collaborative and pragmatic with great communication skills What's in it for you: As a Senior Data Engineer you will receive More ❯

Senior Software Engineer / Developer (Python FastAPI Data) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance … model data for a variety of purposes. You'll also collaborate with the Infrastructure Team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong … X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Senior Software Engineer / Developer (Python FastAPI Data) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯