101 to 125 of 218 Client/Server Jobs in England

Lead Full Stack Developer - Python AWS React Lead Full Stack Developer / Engineer (Python AWS React) Manchester / WFH to £100k Are you a technologist Full Stack Developer with experience of leading projects and setting the technical direction? You could be progressing your career in a senior, hands … can influence technology decisions. You'll be working with Python within an AWS environment using TypeScript, React, and Next.js on the front end. 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 … Manchester) Impactful role with excellent career progression opportunities as the company scales. Apply now to find out more about this Lead Full Stack Developer / Engineer (Python AWS React) opportunity. At Client Server, we believe in a diverse workplace that allows people to play to More ❯

Senior Software Developer C# .Net - FinTech Senior Software Engineer / Developer (C# .Net) Newcastle onsite to £130k+ Are you a Senior Software Engineer looking for an opportunity to progress your career, working on complex and interesting systems in an impactful role? You could be joining a FinTech start-up … onsite showers available!). About you: You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russell Group university, backed by A's at A-level. You're a technologist who enjoys collaborating and problem solving, working on complex, distributed … join a start-up in a role that you can shape and influence. What's in it for you: As a Senior Software Engineer / Developer you will earn a competitive package: Salary (to £130k, negotiable) Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development opportunities More ❯

Backend Software Engineer / Developer (C# .Net API AWS) Sunderland / WFH to £80k Are you a Backend Software Engineer with C# expertise and a good knowledge of AWS? You could be progressing your career in a hands-on technical leadership role at a growing games / … Redis and AWS. You'll take ownership of projects, lead the technical discussions and decision making and contribute to technology and process improvements. Location / WFH: There's a hybrid work from home policy with 2-3 days a week; when you're in the office you'll be … working (x3 days a week office) Family friendly policies Social events and more! Apply now to find out more about this Backend Software Engineer / Developer (C# .Net API AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play More ❯

Backend Software Engineer / Developer (C# .Net API AWS) Sunderland / WFH to £80k Are you a Backend Software Engineer with C# expertise and a good knowledge of AWS? You could be progressing your career in a hands-on technical leadership role at a growing games / … Redis and AWS. You'll take ownership of projects, lead the technical discussions and decision making and contribute to technology and process improvements. Location / WFH: There's a hybrid work from home policy with 2-3 days a week; when you're in the office you'll be … working (x3 days a week office) Family friendly policies Social events and more! Apply now to find out more about this Backend Software Engineer / Developer (C# .Net API AWS) opportunity. At Client Server we believe in a diverse workplace that allows people to play More ❯

Software Engineer / Developer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and … to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Software Engineer / Developer you will earn: Salary to £85k Bonus Hybrid working (x3 days in London per week) Learning and career development opportunities Apply now to … find out more about this Software Engineer / Developer (Java 17 Kotlin AWS) 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 More ❯

Software Engineer / Developer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and … to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Software Engineer / Developer you will earn: Salary to £85k Bonus Hybrid working (x3 days in London per week) Learning and career development opportunities Apply now to … find out more about this Software Engineer / Developer (Java 17 Kotlin AWS) 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 More ❯

Software Engineer / Developer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and … to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Software Engineer / Developer you will earn: Salary to £85k Bonus Hybrid working (x3 days in London per week) Learning and career development opportunities Apply now to … find out more about this Software Engineer / Developer (Java 17 Kotlin AWS) 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 More ❯

Senior Web Developer / Front End Engineer (JavaScript Vue.js) Billericay / WFH to £75k Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce … labelled Progressive Web Applications and Websites of the highest quality for a broad range of big name retail clients. You'll collaborate with UI / UX Designers to ensure technical feasibility, optimise applications for speed and scalability and build reusable code and libraries as well as pro-actively analysing … and making suggestions for improvements. As a senior team member you'll also provide mentoring and support to more junior developers. Location / WFH: You'll join the team two days a week in Billericay (free onsite parking), with flexibility to work from home the other three, there are More ❯

Senior Web Developer / Front End Engineer (JavaScript Vue.js) Billericay / WFH to £75k Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce … labelled Progressive Web Applications and Websites of the highest quality for a broad range of big name retail clients. You'll collaborate with UI / UX Designers to ensure technical feasibility, optimise applications for speed and scalability and build reusable code and libraries as well as pro-actively analysing … and making suggestions for improvements. As a senior team member you'll also provide mentoring and support to more junior developers. Location / WFH: You'll join the team two days a week in Billericay (free onsite parking), with flexibility to work from home the other three, there are More ❯

Senior C# Developer / Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking / financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. … WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and / or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and Canada and be the sole resource … on these systems for the UK. 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 and a range of facilities. About you: You have strong C# desktop More ❯

Backend Software Engineer / Developer (Java Spring API Security) Cambridge / WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software … stack. There are challenges around scalability and robustness, you'll be continually learning and progressing your career within a supportive Agile team environment. Location / WFH: There's a friendly and supportive team environment, you'll be able to work from home most of the time, meeting up with … strong knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have a good understanding of networking technologies, protocols e.g. TCP / IP, UDP, multicast and security principles You have an appreciation of security and ideally have worked in an ISO 27001 accredited environment Ideally you More ❯

Backend Software Engineer / Developer (Java Spring API Security) Cambridge / WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software … stack. There are challenges around scalability and robustness, you'll be continually learning and progressing your career within a supportive Agile team environment. Location / WFH: There's a friendly and supportive team environment, you'll be able to work from home most of the time, meeting up with … strong knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have a good understanding of networking technologies, protocols e.g. TCP / IP, UDP, multicast and security principles You have an appreciation of security and ideally have worked in an ISO 27001 accredited environment Ideally you More ❯

Backend Software Engineer / Developer (Java Spring API Security) Cambridge / WFH to £55k Are you a backend focussed Java technologist looking for an opportunity to progress your career whilst working on complex and interesting systems with continual learning opportunities? You could be joining a market leading software … stack. There are challenges around scalability and robustness, you'll be continually learning and progressing your career within a supportive Agile team environment. Location / WFH: There's a friendly and supportive team environment, you'll be able to work from home most of the time, meeting up with … strong knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have a good understanding of networking technologies, protocols e.g. TCP / IP, UDP, multicast and security principles You have an appreciation of security and ideally have worked in an ISO 27001 accredited environment Ideally you More ❯

Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem solving and … gen high-performance app. Duties and Responsibilities: Lead the technical arm of the team in fast iteration cycles, with tight deadlines using an agile / scrum methodology, while ensuring applications meet quality standards. Coordinate configuring, coding, developing, and documenting software specifications throughout the project life cycle (concept, design, build … bugs for all production issues. Liaise with product development team to plan new features. Research and suggest new mobile products, applications and protocol. Qualifications / Experience: Highly proficient in React, Swift or Objective C, Java for mobile development; Rails, nodejs and Angular for web development. 5 to 7 years More ❯

Software Engineer / Developer (Full Stack Python API React) Cambridge / WFH to £60k+ Would you like to work with a range of technology across the full stack, taking ownership and making an impact at an AI start-up that is driving efficiencies within the NHS and health … leading the backend development with a focus on scalability and performance using Python and FastAPI, as well as driving the use of DevOps, CI / CD workflows, managing deployments to Azure and maintaining robust data management systems with PostgreSQL. This is an excellent opportunity to progress your career and … see the impact of your work at a well backed "Tech for Good" start-up. Location / WFH: You'll join a small, collaborative team based in Central Cambridge three days a week, with flexibility to work from home the other two days. About you: You have strong full More ❯

Software Engineer / Developer (Full Stack Python API React) Cambridge / WFH to £60k+ Would you like to work with a range of technology across the full stack, taking ownership and making an impact at an AI start-up that is driving efficiencies within the NHS and health … leading the backend development with a focus on scalability and performance using Python and FastAPI, as well as driving the use of DevOps, CI / CD workflows, managing deployments to Azure and maintaining robust data management systems with PostgreSQL. This is an excellent opportunity to progress your career and … see the impact of your work at a well backed "Tech for Good" start-up. Location / WFH: You'll join a small, collaborative team based in Central Cambridge three days a week, with flexibility to work from home the other two days. About you: You have strong full More ❯

Software Engineer / Developer (Full Stack Python API React) Cambridge / WFH to £60k+ Would you like to work with a range of technology across the full stack, taking ownership and making an impact at an AI start-up that is driving efficiencies within the NHS and health … leading the backend development with a focus on scalability and performance using Python and FastAPI, as well as driving the use of DevOps, CI / CD workflows, managing deployments to Azure and maintaining robust data management systems with PostgreSQL. This is an excellent opportunity to progress your career and … see the impact of your work at a well backed "Tech for Good" start-up. Location / WFH: You'll join a small, collaborative team based in Central Cambridge three days a week, with flexibility to work from home the other two days. About you: You have strong full 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 … 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 … 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) Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development opportunities 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 … 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 … 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) Bonus 25 days holiday Bupa healthcare Generous pension contribution Continuous career development opportunities More ❯

Lead Back End Software Engineer / Developer (Node API JavaScript CFA) London / WFH to £120k Are you a lead technologist with strong financial services experience combined with Node.js backend development expertise? You could be progressing your career in a hands-on leadership role at a global cryptocurrency … to handle high volume real-time market data streams and also working with clients and business stakeholders to understand requirements and business impact. Location / WFH: You'll join the team in brand new Central London based offices three days a week with flexibility to work from home the … About you: You have strong experience of designing and implementing scalable solutions to handle high throughput systems You have advanced backend Node.js and JavaScript / TypeScript coding skills You have strong messaging experience e.g. SQS, You have a strong understanding of financial market data systems and ideally hold a More ❯

Backend Software Engineer / Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a backend focussed .Net technologist looking for an opportunity to progress your career, working on complex and interesting systems in an impactful role? You could be joining a FinTech start-up as a founding member, they … that you can shape and influence 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 What's in it for you: As a Backend Software Engineer / Developer … atmosphere with a range of events and early finish for drinks on Fridays Apply now to find out more about this Backend Software Engineer / Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their More ❯

Software Engineer / Full Stack Developer (C# .Net JavaScript) London / WFH to £80k Are you a Software Engineer with C# and JavaScript skills combined a good appreciation of UI design? You could be progressing your career at a start-up social media platform focussed on the pensions … in full through better stakeholder collaboration. As a Software Engineer you'll join a supportive, Agile development team to design and develop front end / UI components, collaborating with business stakeholders to analyse requirements through to delivery. You'll be using a range of technology with a focus on … JavaScript, HTML and CSS, also using C# .Net and Blazor on the backend; you'll be working within a microservices environment with CI / CD and collaborating with backend software engineers on AI and Machine Learning elements of the product. There's continual learning and self-development opportunities within More ❯

Senior Product Security Engineer London / WFH to £160k Do you have expertise with secure coding practices and application security? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior Product Security Engineer you'll drive automated security … teams, you'll implement security solutions for low-latency systems and multi-cloud platforms, including AWS, Azure, hybrid infrastructures across Python, C++, and Kotlin / Java environments, ensuring robust protection that supports high-speed, data-driven operations. You will conduct threat modelling, vulnerability assessments and security code reviews across … mentorship, guidance and training on security best practices and secure development processes to engineering teams working in mixed cloud and operating systems environments. Location / WFH: You'll join colleagues based in high spec offices with free breakfast and lunch at the onsite restaurant, with flexibility to work from More ❯

C# Software Engineer / Developer (Windows Desktop Trading Systems) London to £140k Are you a seasoned Software Engineer with strong C# desktop development skills combined with banking / financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As … WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and / or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and Canada and be the sole resource … on these systems for the UK. 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 and a range of facilities. About you: You have strong C# desktop More ❯

C# Software Engineer / Developer (Windows Desktop Trading Systems) London to £140k Are you a seasoned Software Engineer with strong C# desktop development skills combined with banking / financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As … WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and / or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and Canada and be the sole resource … on these systems for the UK. 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 and a range of facilities. About you: You have strong C# desktop More ❯