26 to 50 of 222 Client/Server Jobs in England

Principal Engineer / Architect (C# .Net SQL AWS) Remote to £80k Opportunity to progress your career in an impactful, Principal Engineer / Architect role, at a tech company that provides a range of SaaS software solutions.As a Principal Engineer / Architect you will collaborate with Product Management and Agile software delivery tribes to define, document and communicate … and inclusion, pushing towards an architecture that optimises flexibility, reuse, scalability, performance, durability and availability, building architectural frameworks that can be consistently demonstrated across different teams and initiatives. Location / WFH: There's a hybrid work from home policy, you'll need to meet up with the team for constructive meetings twice a quarter in the Nottingham office. About … knowledge of event driven microservices You have advanced technical documentation skills You have excellent communication, presentation and collaboration skills What's in it for you: As a Principal Engineer / Architect you will earn a competitive package: Salary to £80k 25 days holiday Vitality Health Insurance 5% non-contributory pension Death in Service Apply now to find out more More ❯

Backend Software Engineer / Technical Lead (Python Java AWS) London / WFH to £115k Are you a backend focussed Software Engineer with strong Python and Java experience combined with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van drivers and consumers, via job … and delivering CO2 carbon neutral targets. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Backend Software Engineer / Technical Lead you'll head up a team of 4-5 within an Agile environment to design and develop, troubleshoot and solve complex software issues to help scale and … to explore new technologies and use the best tool for the job. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office More ❯

Backend Software Engineer / Technical Lead (Python Java AWS) London / WFH to £115k Are you a backend focussed Software Engineer with strong Python and Java experience combined with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van drivers and consumers, via job … and delivering CO2 carbon neutral targets. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Backend Software Engineer / Technical Lead you'll head up a team of 4-5 within an Agile environment to design and develop, troubleshoot and solve complex software issues to help scale and … to explore new technologies and use the best tool for the job. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office More ❯

Backend Software Engineer / Technical Lead (Python Java AWS) London / WFH to £115k Are you a backend focussed Software Engineer with strong Python and Java experience combined with leadership skills? You could be progressing your career at a scale-up tech company (established 10 years), that enables smart matching for commercial van drivers and consumers, via job … and delivering CO2 carbon neutral targets. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Backend Software Engineer / Technical Lead you'll head up a team of 4-5 within an Agile environment to design and develop, troubleshoot and solve complex software issues to help scale and … to explore new technologies and use the best tool for the job. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office More ❯

will support hundreds of millions of accounts. We use cloud native technologies, and your work will involve the development of micro-services, integrations, dashboards, production support tools and CI / CD pipelines. Initially, you will have the opportunity to be seconded to a FinTech software partner. This is an exciting opportunity to experience the day to day of a … engineering concepts and applied experience Hands-on practical experience in system design, application development, testing, and operational stability Proficient in at least one major programming language: Go, Python and / or Java Experience with Kubernetes and Terraform Experience in developing automated tests as an integral part of the development cycle. Overall knowledge of the Software Development Life Cycle Experience … developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages Solid understanding of agile methodologies such as CI / CD, Application Resiliency, and Security Experience with any cloud provider Preferred qualifications, capabilities and skills Knowledge of banking / finance. Certification in AWS, Kubernetes (CKE) and Terraform Familiar More ❯

Junior Software Developer with C# C++ Java or Delphi Our Client is a boutique software consultancy providing analytical tools and processing software to the retail banking industry. Their tools are used by high street banks and major credit companies to evaluate credit risk of their applicants. They have a large library of Delphi software code incorporating SQL, XML … new developments to take their products onto new platforms and into new customer bases. C urrently exploring options including RAD Studio, Visual Studio, Delphi, C#, C++, Client / Server, n-tier, Hadoop and SaaS. They require candidate with a strong computing background . You will be coding in Delphi and other languages. Any similar Object … Must have a s ound background knowledge of Object Oriented techniques coupled with exp erience in Delphi C++ Java . Any experience of SQL Server , n-tier / client-server , Microsoft Visual Source Safe (VSS) , XML / XSL , Mathematical / statistical knowledge would be very useful Salary for this role will More ❯

Senior C# Developer / Backend Software Engineer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior C# Developer 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 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 expertise with modern C# .Net You have a strong knowledge of modern software engineering best practices and have experience across the full More ❯

quality engineers and partnering with CloudOps, TechOps, UX Design other cross-functional functional groups to evolve our solutions while continuing to improve your teams’ adoption of SDLC processes, CI / CD integration, code quality & automation test coverage. Primary Responsibilities Lead an organization of 4-10 development & test engineers globally to efficiently produce high quality deliverables Manage team leads, direct … regularly and establish a regular cadence of operational reviews with your management including quality metrics, coding efficiencies, improvements, challenges, remediation needs Correlate, report, and drive the adoption of Process / Continuous Improvement initiatives Recruit & provide leadership, coaching & career planning for engineering talent Be accountable for design decisions for new and existing application development, proactively escalating issues and seeking assistance … Billable and OH Preferred: experience managing the organizational structure of teams as well as headcount & non-headcount budgets 10+ years of combined experience in software engineering, enterprise architecture and / or DevOps Working experience with scaled software architecture & domain: performance, redundancy, failover, clustering, vertical scaling Preferred: experience using AWS cloud solutions, ideally including migration from other hosting services Working More ❯

quality engineers and partnering with CloudOps, TechOps, UX Design other cross-functional functional groups to evolve our solutions while continuing to improve your teams adoption of SDLC processes, CI / CD integration, code quality & automation test coverage. Primary Responsibilities Lead an organization of 4-10 development & test engineers globally to efficiently produce high quality deliverables Manage team leads, direct … regularly and establish a regular cadence of operational reviews with your management including quality metrics, coding efficiencies, improvements, challenges, remediation needs Correlate, report, and drive the adoption of Process / Continuous Improvement initiatives Recruit & provide leadership, coaching & career planning for engineering talent Be accountable for design decisions for new and existing application development, proactively escalating issues and seeking assistance … Billable and OH Preferred: experience managing the organizational structure of teams as well as headcount & non-headcount budgets 10+ years of combined experience in software engineering, enterprise architecture and / or DevOps Working experience with scaled software architecture & domain: performance, redundancy, failover, clustering, vertical scaling Preferred: experience using AWS cloud solutions, ideally including migration from other hosting services Working More ❯

Principal Software Architect Nottingham / WFH to £100k Do you have experience of transitioning monolith systems to microservices? You could be progressing your career in an impactful role at a tech company that provides a range of SaaS software solutions. As a Principal Software Architect you will collaborate with the Head of Architecture and a small centralised architecture team … solutions, working closely with software engineers and team leads to manage team re-structuring to support the change and ensure that technical requirements are understood and carried out. Location / WFH: There's a hybrid work from home policy, you'll need to meet up with the team for constructive meetings twice a quarter in the Nottingham office. About … to microservices architectures You have experience with solution and technical design of multi-tier, distributed scalable .Net solutions You have strong software development skills with C# .Net, SQL Server and AWS You have advanced technical documentation skills You have excellent communication, presentation, leadership and collaboration skills - you're comfortable working with an advising software engineers and team leads More ❯

Backend Software Engineer / Developer (C# .Net Core Cloud CQRS) London / WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage working on complex and interesting Greenfield systems with … technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from scratch. Location / WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core … backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker / Kubernetes, EKS You have a good understanding of CQRS and event driven architectures Ideally you will also have some front end development experience with JavaScript / TypeScript / React.js or Angular You More ❯

Backend Software Engineer / Developer (C# .Net Core Cloud CQRS) London / WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage working on complex and interesting Greenfield systems with … technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from scratch. Location / WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core … backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker / Kubernetes, EKS You have a good understanding of CQRS and event driven architectures Ideally you will also have some front end development experience with JavaScript / TypeScript / React.js or Angular You More ❯

Senior C# Developer / Engineer (C# .Net Core React) London / WFH to £80k Are you a skilled C# Developer looking to work on complex and interesting systems with continual learning and self development opportunities You could be progressing your career at in a senior, hands-on role at a successful and scaling Retail FX Brokerage working on … technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from scratch. Location / WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core … backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker / Kubernetes, EKS You have a good understanding of CQRS and event driven architectures Ideally you will also have some front end development experience with JavaScript / TypeScript / React.js or Angular You More ❯

software systems with a focus on automated testing. You'll work on a diverse technology stack, including C, C++, and C#, and help test solutions that run on Windows / Linux servers and embedded environments. This is a hands-on role that blends test strategy, automation development, and collaborative problem solving. The role requires: 7+ years of experience in … software QA, with strong automation testing skills. Proficiency in C, C++, and / or C# (or equivalent scripting for automation). Hands-on experience testing on Windows and Linux servers. Solid understanding of web architectures, APIs, and client-server testing. Previous experience testing embedded systems, IoT devices, or hardware-software integrated solutions. Experience with automation … tools like Selenium, Robot Framework, or similar. Familiarity with version control, CI / CD pipelines, and Agile methodologies. Strong communication skills and a proactive, problem-solving mindset. Relevant certifications (e.g., ISTQB, Certified Agile Tester). The role: Design, develop, and maintain automated test frameworks for both web-based and embedded software. Create clear, concise, and comprehensive test plans, test More ❯

software systems with a focus on automated testing. You'll work on a diverse technology stack, including C, C++, and C#, and help test solutions that run on Windows / Linux servers and embedded environments. This is a hands-on role that blends test strategy, automation development, and collaborative problem solving. The role requires: 7+ years of experience in … software QA, with strong automation testing skills. Proficiency in C, C++, and / or C# (or equivalent scripting for automation). Hands-on experience testing on Windows and Linux servers. Solid understanding of web architectures, APIs, and client-server testing. Previous experience testing embedded systems, IoT devices, or hardware-software integrated solutions. Experience with automation … tools like Selenium, Robot Framework, or similar. Familiarity with version control, CI / CD pipelines, and Agile methodologies. Strong communication skills and a proactive, problem-solving mindset. Relevant certifications (e.g., ISTQB, Certified Agile Tester). The role: Design, develop, and maintain automated test frameworks for both web-based and embedded software. Create clear, concise, and comprehensive test plans, test More ❯

Senior Full Stack Developer / Engineer (Java Angular) London / WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly complex real … time shift rota application, hosted on AWS and available via the web or mobile device (iOS / Android). As a Senior Full Stack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and develop scalable backend Java services … ll input into technical discussions and decision making, as a senior member of a small team where you'll be able to influence best practice and technology choices. Location / WFH: You'll join colleagues in the London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: You More ❯

Software Engineer / Developer (C# or Java) Sunderland / WFH to £65k Are you an experienced Software Engineer who enjoys using a range of programming languages, collaborating and learning continuously? You could be progressing your career in a hands-on role within a relaxed, supportive team environment at a tech driven online gaming / low-cost gambling … APIs, Docker, AWS, Terraform, TeamCity and MySQL amongst others, you'll be able to work with a range of tech and pick new things up on the job. Location / WFH: You'll join colleagues in the Sunderland office three days a week, where you'll join fellow technologists in a relaxed environment in awesome custom built offices with … well as membership at onsite gym; there's also flexibility to work from home two days a week. About you: You have strong backend development skills with C# and / or Java You have experience with AWS You have experience across the full development lifecycle You have a good understanding of Computer Science fundamentals such as OOP, Data Structures More ❯

Principal Backend Software Engineer / Developer (C# .Net Core Azure) Reigate / WFH to £95k Are you a backend focussed .Net 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 Principal Backend Software Engineer you will take … 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 … 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 Principal Backend 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 ❯

Backend Developer / Software Engineer (C# or Java) Sunderland / WFH to £65k Are you an experienced Backend Developer who enjoys using a range of programming languages, collaborating and learning continuously? You could be progressing your career in a hands-on role within a relaxed, supportive team environment at a tech driven online gaming / low-cost … APIs, Docker, AWS, Terraform, TeamCity and MySQL amongst others, you'll be able to work with a range of tech and pick new things up on the job. Location / WFH: You'll join colleagues in the Sunderland office three days a week, where you'll join fellow technologists in a relaxed environment in awesome custom built offices with … well as membership at onsite gym; there's also flexibility to work from home two days a week. About you: You have strong backend development skills with C# and / or Java You have experience with AWS You have experience across the full development lifecycle You have a good understanding of Computer Science fundamentals such as OOP, Data Structures More ❯

.Net Developer / Software Engineer (C# TypeScript) London / WFH to £85k Would like to progress your career as a .Net Developer, working on a modern, web based, tech stack with continual learning and development opportunities as part of a diverse team? You could be joining a global FinTech consistently voted as a Top 10 place to work … 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 .Net Developer / Software 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. As a Senior C# Developer you will work on critical … focus on building C#, WinForms, 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 development experience on Windows within a banking or financial services environment You have a strong 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. As a Senior C# Developer you will work on critical … focus on building C#, WinForms, 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 development experience on Windows within a banking or financial services environment You have a strong More ❯

Backend Developer / Software Engineer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Backend Developer 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 growing commodities trading firm that specialise in trading silver … amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile team environment. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You are degree educated, having achieved a 2.1 or … and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Backend Developer / Software Engineer 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 More ❯

Backend Developer / Software Engineer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Backend Developer 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 growing commodities trading firm that specialise in trading silver … amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile team environment. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You are degree educated, having achieved a 2.1 or … and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Backend Developer / Software Engineer 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 More ❯

Senior Java Developer / Backend Software Engineer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work? You could be joining a scaling Cyber Security technology company that has … core Java development skills You have a strong knowledge of software engineering best practices and have experience with TDD You have a good knowledge of SQL and Networking (TCP / IP) You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Algorithms, Design Patterns You're collaborative, with Pair Programming experience You enjoy problem solving … and are keen to pick up new skills What's in it for you: As a Senior Java Developer / Software Engineer you will earn a highly competitive package including: Salary to £160k 8% pension contribution Life Assurance and Income Protection Enhanced paternity packages Private Medical care for you and your family including same day GP appointments and prescriptions More ❯