26 to 50 of 158 Client/Server Jobs in England

for success: Proven ability to resolve 1st - 3rd line issues independently, including in remote or solo environments. Hands-on experience across a broad tech stack, including client / server hardware, Windows & Linux OS, storage, and applications. Solid understanding of networking (LAN, WAN, SD-WAN) and virtualisation technologies (VDI, containers). Working knowledge of infrastructure components More ❯

ll bring with you : 5+ years in technical solutions, systems architecture, or ad tech engineering, with client-facing experience. Deep knowledge of the digital advertising ecosystem: RTB / programmatic, retail media, identity, and measurement. Proficiency in web technologies (HTML, CSS, JavaScript), tag managers, and tracking methods (client / server-side). Strong … data platforms like BigQuery for analysis and troubleshooting. Understanding of event tracking for impressions, clicks, and conversions via APIs or tags. Working knowledge of cloud platforms (GCP preferred; AWS / Azure a plus). Ability to explain complex concepts to technical and non-technical audiences; excellent communication skills. Proven success in fast-paced, cross-functional environments. Why you might … stand out from other talent : Experience with RMNs, agencies, publishers, or MarTech platforms. Knowledge of data clean rooms, privacy regulations (GDPR / CCPA), and identity resolution. Familiarity with ad tagging and tag management systems. Contributions to technical documentation or client-facing integration tools. Click here to view how Epsilon transforms marketing with 1 View, 1 Vision More ❯

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? 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 Backend Software Engineer you will … 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 ❯

Full Stack Developer / Engineer (TypeScript Node React) Remote UK to £70k Are you a technologist with iGaming / gambling sector experience who enjoys working with a range of technology and collaborating with clients? You could be joining a successful and growing tech company that produce a range of online games used by various clients (e.g. eCommerce, sports … bespoke projects working across the full tech stack from backend development using TypeScript and Node, through to React on the front end as part of a collaborative team. Location / WFH: You can work from home / remotely from anywhere in the UK. About you: You're a software developer / engineer with strong TypeScript and Node … skills You have experience of developing transactional games / gambling games / iGaming applications You have experience with Azure or AWS cloud services You are comfortable taking ownership and running your own small projects You have excellent communication and collaboration skills What's in it for you: As a Full Stack Developer / Engineer you will earn More ❯

Full Stack Developer / Engineer (TypeScript Node React) Remote UK to £70k Are you a technologist with iGaming / gambling sector experience who enjoys working with a range of technology and collaborating with clients? You could be joining a successful and growing tech company that produce a range of online games used by various clients (e.g. eCommerce, sports … bespoke projects working across the full tech stack from backend development using TypeScript and Node, through to React on the front end as part of a collaborative team. Location / WFH: You can work from home / remotely from anywhere in the UK. About you: You're a software developer / engineer with strong TypeScript and Node … skills You have experience of developing transactional games / gambling games / iGaming applications You have experience with Azure or AWS cloud services You are comfortable taking ownership and running your own small projects You have excellent communication and collaboration skills What's in it for you: As a Full Stack Developer / Engineer you will earn More ❯

C# Developer in Test / Automation Engineer (C# .Net TypeScript) London / WFH to £85k Do you enjoy breaking things to see how they work and then fixing them again? Have an engineering mindset with meticulous attention to detail? You could be progressing your career working on complex and challenging systems as part of a supportive team with … software, you'll be using a variety of automation tools and coding with C#, working across the full test lifecycle, defining and automating acceptance tests and working with CI / CD pipelines as part of an Agile software delivery team. Location / WFH: You can work from home most of the time, meeting up with colleagues once a … Java or other OO language) You have experience of developing and testing software using Microsoft technologies (.Net, SQL Server, Windows) You have a good knowledge of CI / CD pipelines You have a good understanding of practical networking concepts (TCP / IP) and virtualised environments You're an advocate of Agile development methodologies You have good More ❯

C# Developer in Test / Automation Engineer (C# .Net TypeScript) London / WFH to £85k Do you enjoy breaking things to see how they work and then fixing them again? Have an engineering mindset with meticulous attention to detail? You could be progressing your career working on complex and challenging systems as part of a supportive team with … software, you'll be using a variety of automation tools and coding with C#, working across the full test lifecycle, defining and automating acceptance tests and working with CI / CD pipelines as part of an Agile software delivery team. Location / WFH: You can work from home most of the time, meeting up with colleagues once a … Java or other OO language) You have experience of developing and testing software using Microsoft technologies (.Net, SQL Server, Windows) You have a good knowledge of CI / CD pipelines You have a good understanding of practical networking concepts (TCP / IP) and virtualised environments You're an advocate of Agile development methodologies You have good More ❯

Senior Solutions Architect (Web / Online Market Place) London / Milton Keynes to £120k Are you skilled at translating business goals into technical strategy? You could be progressing your career in Senior Solutions Architect role at one of the country's leading PropTech sites that have revolutionised the way we find property for rent and sale with millions … platform reliability and software engineering teams, you'll help to ensure the application delivery platform supports the scale, security and resilience required whilst delivering an engaging customer experience. Location / WFH: You'll split your time between London and Milton Keynes (one day at each office per week) with the other three days work from home. About you: You … are skilled at translating business goals into technology solutions, identifying opportunities and anticipating future needs You have experience in a web / eCommerce / online market place environment You have previous experience as a Software Engineer You're able to drive architectural level improvements whilst remaining hands-on with implementation You have experience of designing business process solutions More ❯

Senior Solutions Architect (Web / Online Market Place) London / Milton Keynes to £120k Are you skilled at translating business goals into technical strategy? You could be progressing your career in Senior Solutions Architect role at one of the country's leading PropTech sites that have revolutionised the way we find property for rent and sale with millions … platform reliability and software engineering teams, you'll help to ensure the application delivery platform supports the scale, security and resilience required whilst delivering an engaging customer experience. Location / WFH: You'll split your time between London and Milton Keynes (one day at each office per week) with the other three days work from home. About you: You … are skilled at translating business goals into technology solutions, identifying opportunities and anticipating future needs You have experience in a web / eCommerce / online market place environment You have previous experience as a Software Engineer You're able to drive architectural level improvements whilst remaining hands-on with implementation You have experience of designing business process solutions More ❯

to work at pace across demanding client environments. What you'll be doing Building and extending the ServiceNow platform with real development work Writing client / server-side scripts and using JavaScript to deliver across ITOM, ITAM, and IRM Picking up user stories and working independently through delivery Supporting and building integrations with … external systems and data sources Collaborating with architects and other developers in agile delivery teams What we're looking for Mid-Level JavaScript / Scripting experience within ServiceNow Comfortable with Glide APIs and relational database concepts Experience delivering development tasks, not just admin or catalogue items CSA certification (or working towards it) Senior-Level Able to lead builds and … across UK when required Must be eligible for SC Clearance and hold sole British nationality Paid training days and support with ServiceNow certifications 25 days annual leave (plus buy / sell options) Private healthcare and flexible benefits RSG Plc is acting as an Employment Agency in relation to this vacancy. 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 ❯

The person should have worked on desktop, client-server, rich client application development. Advanced knowledge of Java and associated ecosystem (Java 17, IntelliJ / Eclipse, Maven, GIT, Jenkins, RESTful Web Services, JavaFX). Strive for excellence and continuous improvement in software architecture, Agile methods, and build systems. Ability to work closely with the More ❯

Software Developer / Engineer *Newcastle onsite* to £70k+ Are you a bright, ambitious Software Developer looking for an opportunity to progress your career, working on complex and interesting systems in a role where you can learn and develop your skills? You could be joining a FinTech start-up, they have secure backing and an established Hedge Fund client … has been rolled out and tested the company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location / WFH: You'll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours 0900-1800 with some flexibility. The offices are … 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 top tier / Russel Group university, backed by A's at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have strong backend More ❯

Lead Software Engineer / Developer (C# .Net API AWS) Nottingham / WFH to £80k Opportunity to progress your career in a senior, hands-on leadership role at a SaaS tech company. As a Lead Software Engineer you'll join an Agile team with a focus on designing and developing payment and billing applications. You'll be working with … a supportive team environment where you'll help to mentor others to reach their full potential, taking ownership of technical projects and contributing to high level architecture discussions. Location / WFH: There's a remote interview and onboarding process and you'll be able to work from most of the time, meeting up with the team for constructive meetings … once a month / quarter in the Nottingham office. About you: You have strong backend C# .Net development skills You have experience of building REST APIs You have experience with AWS You have a good understanding of databases with SQL skills You are collaborative, happy to mentor others and work with other Technical Leads / Agile Squad Leaders More ❯

Senior Full Stack Engineer / Developer (React .Net Python) London to £150k Do you have expertise with React combined with a strong appreciation of .Net and / or Python backend systems? You could be progressing your career in a senior, hands-on role at a Hedge Fund with over $10 billion under management. As a Senior Full Stack … Engineer you will take ownership of user interface / frontend development in the London office for both web and mobile applications, collaborating with colleagues in the New York office. You will architect and design high quality, performant, visually compelling applications with a focus on developing React based responsive web applications with mobile first design and integrating front end applications … .Net and Python within cloud based environments. There's a range of Greenfield projects to get stuck into and you'll see the results of your work quickly. Location / WFH: You'll join colleagues in the London office with flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code More ❯

Senior Full Stack Engineer / Developer (React .Net Python) London to £150k Do you have expertise with React combined with a strong appreciation of .Net and / or Python backend systems? You could be progressing your career in a senior, hands-on role at a Hedge Fund with over $10 billion under management. As a Senior Full Stack … Engineer you will take ownership of user interface / frontend development in the London office for both web and mobile applications, collaborating with colleagues in the New York office. You will architect and design high quality, performant, visually compelling applications with a focus on developing React based responsive web applications with mobile first design and integrating front end applications … .Net and Python within cloud based environments. There's a range of Greenfield projects to get stuck into and you'll see the results of your work quickly. Location / WFH: You'll join colleagues in the London office with flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code 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 ❯

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 Developer / Engineer (C# TypeScript) London / WFH to £65k Would like to progress your career as a Software Developer, working on a modern, web based, tech stack with continual learning and development opportunities as part of a diverse team? You could be progressing your career at a global FinTech consistently voted as a Top 10 place … product. You'll focus on backend systems using C# and TypeScript but will also have exposure to front end components in Angular and React within a TDD environment. Location / WFH: You can work from home most of the time, meeting up with colleagues once a week in the City offices, when there you can you enjoy a range … skills You also have experience with TypeScript, Angular or React You have a good understanding of Docker for Containerisation You have a good knowledge of cloud based systems (Azure / AWS) You have strong analysis and problem solving skills You're collaborative with great communication skills What's in it for you: As a Software Developer / Engineer More ❯

Backend Software Engineer / DevOps (Python AWS Amazon CDK) Manchester to £100k Do you have strong Python and AWS skills combined with start-up / SME experience? You could be progressing your career in a senior, hands-on Backend Software Engineer / DevOps role at a technology start-up that is producing a software suite for legal … reduces para-legal workloads, they have seen huge interest in the product and have a lot of greenfield development work to get stuck into. As a Backend Software Engineer / DevOps you'll join a small technology team and take ownership of backend development and DevOps work, there are a range of projects, you'll see the results of … your work quickly and be able to input into technical decision making. You'll primarily be working Python within an AWS environment collaborating with closely with DevOps Engineers. Location / WFH: You'll join a small but growing team based in Central Manchester three days a week with flexibility to work from home the other two days. About you More ❯

Backend Software Engineer / DevOps (Python AWS Amazon CDK) Manchester to £100k Do you have strong Python and AWS skills combined with start-up / SME experience? You could be progressing your career in a senior, hands-on Backend Software Engineer / DevOps role at a technology start-up that is producing a software suite for legal … reduces para-legal workloads, they have seen huge interest in the product and have a lot of greenfield development work to get stuck into. As a Backend Software Engineer / DevOps you'll join a small technology team and take ownership of backend development and DevOps work, there are a range of projects, you'll see the results of … your work quickly and be able to input into technical decision making. You'll primarily be working Python within an AWS environment collaborating with closely with DevOps Engineers. Location / WFH: You'll join a small but growing team based in Central Manchester three days a week with flexibility to work from home the other two days. About you More ❯

Lead C# Developer / Software Engineer (C# .Net API AWS) Nottingham / WFH to £80k Opportunity to progress your career in a senior, hands-on leadership role at a SaaS tech company. As a Senior C# Developer you'll join an Agile team with a focus on designing and developing payment and billing applications. You'll be working … a supportive team environment where you'll help to mentor others to reach their full potential, taking ownership of technical projects and contributing to high level architecture discussions. Location / WFH: There's a remote interview and onboarding process and you'll be able to work from most of the time, meeting up with the team for constructive meetings … once a month / quarter in the Nottingham office. About you: You have strong backend C# .Net development skills You have experience of building REST APIs You have experience with AWS You have a good understanding of databases with SQL skills You're collaborative and have great communication skills You're degree educated in Computer Science or similar technical 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 ❯

Software Engineer / Developer *Newcastle onsite* to £70k+ Are you a bright, ambitious Software Engineer looking for an opportunity to progress your career, working on complex and interesting systems in a role where you can learn and develop your skills? You could be joining a FinTech start-up, they have secure backing and an established Hedge Fund client … has been rolled out and tested the company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location / WFH: You'll join colleagues in Central Newcastle offices on a full-time basis (Monday to Friday). About you: You have achieved a minimum 2.1 BSc in Computer … Science or similar technical discipline from a top tier / Russel Group university, backed by A's at A-level You're a technologist who enjoys collaborating and problem solving, working on complex, distributed systems You have strong backend coding skills - you can come from any tech background (e.g. Java, Python, Full Stack) but be happy to use C# More ❯

Lead Software Engineer / Developer (C# .Net Core Azure) Reigate / WFH to £95k Are you a backend focussed technologist looking for an opportunity to work on cutting edge SaaS technology? You could be progressing your career in a senior hands-on role at a global InsurTech. As a Lead Software Engineer you will take a lead role … large scale calculation systems, you'll remain hands-on whilst helping to set standards and providing technical project leadership within an Agile development environment that encourages close collaboration. 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. About … have experience of leading technical projects and promoting best practices You have excellent written and verbal communication skills What's in it for you: As a Lead Software Engineer / Developer you will earn a competitive salary package including: Salary to £95k Bonus (c20%) 25 days holiday (and ability to buy more) Pension, Health Care, Life Assurance Enhanced maternity More ❯