1 to 25 of 56 C# Software Engineer Jobs in the UK

C# Software Engineer/Android Application Developer A great opportunity for a C# Software Engineer/Android Application Developer to support and enhance an Android-based fuel delivery platform using C#, Xamarin, MAUI, SQL and Azure technologies within a collaborative software development environment. If you’ve also … worked in the following roles, we’d also like to hear from you: Software Developer, Mobile App Developer, Android Developer, Mobile App Developer, Application Engineer, C# Developer, Mobile Software Engineer SALARY: up to £50,000 per annum + Benefits (25 Days Annual Leave plus Bank Holidays, Free on-site Parking, Company … per Week, Flexible Start and Finish Times around the core working hours of 9:30am to 4:00pm JOB OVERVIEW We have a fantastic new job opportunity for a C# Software Engineer/Android Application Developer to work on the organisation’s Android-based fuel delivery solution. This position allows you to broaden your technical More ❯

C# Software Engineer We’re working with a leading UK defence technology organisation offering an exciting opportunity for a C# Software Developer to join a highly regarded Systems Simulation and Experimentation team. This role is ideal for someone passionate about real-time software, system modelling, and creating innovative, high-impact … experimentation platforms across the full product lifecycle—from visualisation and experimentation to verification, validation, and training systems. Key Responsibilities In this role, you’ll design and develop real-time C# software components to support advanced simulation and system integration activities, contributing directly to the delivery of reliable, high-performance solutions. You’ll work within agile development teams …/CD processes, and test-driven development, while collaborating closely with engineers to support research, experimentation, and verification across both synthetic and physical environments. What's required for this C# Software Engineer Position? Solid experience developing in C# (C++ experience also valued). Background or interest in simulation, real-time software, or More ❯

Senior C# Software Engineer Are you a talented C# and Azure developer ready to take ownership of innovative projects across Web, Desktop, and Cloud environments Our client, a well-established and forward-thinking software development company, is expanding its team and seeking an exceptional Senior C# Software Engineer … another coding role - it’s a chance to lead projects, influence architecture, and make a measurable impact on the products you help deliver. About the Role As a Senior C# Software Engineer, you’ll play a key role in delivering high-quality, scalable, and performant software across a range of cutting-edge systems … a team of talented developers and stakeholders, contributing to technical decisions and ensuring best practices are followed throughout the development lifecycle. Tech Stack You’ll Work With Languages & Frameworks: C#, .NET Core, ASP.NET Core MVC, Web API Cloud & Data: Azure Functions, Azure Storage, Cosmos DB, Azure SQL UI & Front-End: WPF, Blazor, SignalR, Skia DevOps & Integration: Azure DevOps, CI More ❯

C# Software Engineer X 4 - All Levels My Client is a rapidly scaling finance company focused on powering recurring commerce. Their advanced technology infrastructure helps businesses optimise and unify their financial operations, providing a competitive edge in the digital economy. With strong sector expertise and a partnership-led approach, they are now seeking a number … of C# Software Engineer to help deliver high-quality, scalable software solutions. Your role as a C# Software Engineer You will work with engineers, product managers, and designers to develop features, solve complex challenges, and enhance system performance. Your focus will be on writing clean, maintainable code and … solutions Improve performance, uptime, and code quality Collaborate in cross-functional teams and contribute to design decisions Mentor junior engineers and promote team growth What youll bring Proficiency in C#, .NET, JavaScript, and TypeScript Experience with React, Vue.js, or Angular (preferred) PHP knowledge (desirable) Familiarity with cloud services (AWS, GCP, or Azure), Docker, Kubernetes Understanding of CI/CD More ❯

Are you an experienced Senior Software Engineer - C# actively looking for a new role? Do you live in the Hertfordshire area or would love the opportunity to relocate and work in one of the UK's most exciting tech hubs? If so, my client has a superb role available to strengthen their R&D team. … key role in in all aspects of design, implementation and debugging of software to bespoke robotic applications. In this experienced Senior Software Engineer - C# job based in Royston you will be responsible for the following: Design user interfaces that are both intuitive and easy to navigate. Oversee the complete software development … lifecycle for new projects, taking accountability for the software aspects of assigned responsibilities. The successful applicant for this Senior Software Engineer - C# job based in Royston you must be: Proficient in C# and .NET. Have a 2:1 or above degree in electronic engineering, software engineering, or a comparable technical More ❯

C# Software Engineer/Developer (.Net Core React AWS) Sunderland/WFH to £70k Opportunity to progress your career in a senior, hands-on role at a at a growing games/gambling site, whilst enjoying a range of benefits and perks. As a C# Software Engineer within the Platform … team you'll build real-time payment systems and integrations that handle large volumes of transactions. You'll have a focus on backend C# .Net core but will have exposure across the full tech stack through to JavaScript/React within an AWS cloud based environment with Docker, Terraform (IaC), TeamCity, SQL and Redis; you'll gain exposure to … offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym. About you: You have strong C# .Net Core backend development experience You have experience of building scalable, reliable and secure web applications using modern techniques You have experience of implementing frontend applications and have some More ❯

Job Title: Front Office Software Engineer (C# .NET) Employment Type: Full-time Location: Central London (Hybrid - 3 days onsite per week) Compensation Package: Competitive salary, 20-30% bonus, private medical and dental (family coverage included), 10% employer pension contribution, group life insurance, income protection, and additional benefits About the Company A global leader in energy … and commodities trading is seeking a Software Engineer (C# .NET) to join its expanding London team. With one of the world’s largest portfolios in LNG, Coal and Freight, this firm offers a dynamic and collaborative environment at the forefront of physical trading. Key Responsibilities of the Front Office Software Engineer (C# .NET) include: Work directly with Front Office teams, partnering with traders and analysts to deliver a prioritised development backlog Solve diverse technical challenges using Excel, Python, C#, SQL Server, Databricks, Angular, Azure, PowerShell/Bash, Docker, Kubernetes, Git, DevOps, Bicep, and AI tools Understand the business context of requests to deliver high-value, practical solutions More ❯

C# Software Engineer Initial 12-month contract 3-4 days onsite per week in Stevenage SC required, can start on BPSS Please note, due to the nature of the programme, this role requires a sole British national. Our client, a prominent player in the Defence & Security sector, is currently seeking a skilled C# Software … including digital twins and emulators. Key Responsibilities: Supporting the development of advanced defence systems from initial concept to in-service support and training. Designing and developing simulation components using C#, C++, and integration simulations, in collaboration with Project Leads and Simulation Architects. Working within a heterogeneous agile development team to develop simulations and representations of real equipment. Implementing software development approaches, including configuration control, continuous integration, continuous delivery/deployment, and unit testing. Job Requirements: Proficiency in C# and C++. Experience with Microsoft Visual Studio and Eclipse. Ability to work from a high-level/system view into technical details. Excellent verbal, presentation, and written communication skills. Knowledge of using Microsoft Windows and Linux operating systems. More ❯

Software Engineer, C#, Hybrid, COR7401 A rare and exciting opportunity has arisen for a technically curious Software Engineer to join an Oxfordshire based Software Consultancy. Working with the latest Microsoft technologies including F#, developing bespoke applications for high profile clients. The Role The role will involve developing innovative, bespoke … truly believe that development is a privilege. You will be technically curious and want to experiment with a variety of technologies. Whilst my client is a Microsoft house utilising C#, F#, ASP.NET and SQL Server, they work with the right technology for task which could include Python, Node.Js, GO and much more! Benefits 25 days holiday Hybrid working Excellent … bonus scheme What's required of the Software Engineer? Experience with OO programming, strong preference for C#, F#, ASP.NET and SQL Server Experience working across the full development stack Experience developing high-quality web applications So What's Next? If you have any questions or would like to have a chat about this rare Software More ❯

Lead C C# Software Engineer Stevenage Up to £65,000 + Bonus + Benefits! We’re working with a defence technology partner seeking a proactive and passionate Lead Software Developer to join their expanding Simulation and Experimentation division. This is a hands-on technical leadership role, driving innovation in synthetic environments and weapon … blend of technical leadership, hands-on coding, and project oversight , working closely with simulation architects and project leads. You’ll design, build, and enhance simulation environments using C++ and C# , contributing to the full development lifecycle — from concept creation, modelling and visualisation, to in-service support and training applications. The team plays a critical role in developing system architectures … teams to integrate models, real products and visualisation tools (including AR/VR). Supporting innovation initiatives across the complete product lifecycle. What's required for this Lead C C# Software Engineer position? Proven experience as a Lead or Senior Software Engineer with strong knowledge of C++ and C# . More ❯

Senior Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer … front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals … Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior Software Engineer/Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

Senior Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer … front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals … Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior Software Engineer/Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose More ❯

Software Engineer/Full Stack Developer (C# .Net React) London/WFH to £70k Are you a Full Stack Software Engineer with C# .Net and React skills? You could be progressing your career in a senior, hands-on role at a global tech company that provide data centric software … Software Engineer within a cross discipline Agile product team you will design and develop data centric software using a range of technology with C# .Net backend and TypeScript and React frontend; you'll also use a range of other technology in the stack including Snowflake, Azure, Python and SQL. The team has lots … through to delivery. Location/WFH: There's a hybrid work from home policy, with 1-2 days a week in the London office. About you: You have strong C# .Net backend skills You also have frontend development experience with React and/or TypeScript You have Azure cloud experience You have a data centric mindset, ideally with Snowflake More ❯

Software Engineer/Full Stack Developer (C# .Net React) Cambridge/WFH to £70k Are you a Full Stack Software Engineer with C# .Net and React skills? You could be progressing your career in a senior, hands-on role at a global tech company that provide data centric software … Software Engineer within a cross discipline Agile product team you will design and develop data centric software using a range of technology with C# .Net backend and TypeScript and React frontend; you'll also use a range of other technology in the stack including Snowflake, Azure, Python and SQL. The team has lots … through to delivery. Location/WFH: There's a hybrid work from home policy, with 1-2 days a week in the Cambridge office. About you: You have strong C# .Net backend skills You also have frontend development experience with React and/or TypeScript You have Azure cloud experience You have a data centric mindset, ideally with Snowflake More ❯

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)? You could be joining a … Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. The company has ambitious growth plans, this is a great opportunity to be involved from the ground up and progress your career. Location … backed by A*s and As 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 Core, Python skills would also be of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software More ❯

Backend Software Engineer/Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Backend Software … minimum 2.1 in a STEM discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have a strong knowledge of SQL … relatives Various social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this Backend Software Engineer/Developer (C# .Net SQL) 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 More ❯

Senior Software Engineer/Back End Developer (C# .Net Core) *Newcastle onsite* to £130k+ Are you a back end focused Software Engineer with a strong academic background, looking to take the next step in your career? This is an opportunity to work on complex, high-impact systems at a growing FinTech … Senior Software Engineer you will collaborate with a small, talented team to deliver the core platform within a Microsoft environment using the latest versions of C# .Net to produce high quality code. You'll take ownership of technical projects, working across the full development lifecycle to understand business needs. The company has ambitious growth plans … 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 Core, Python skills would also be of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software More ❯

Software Architect/Senior Software Engineer (C#/.NET) – Transport Management Systems Overview We’re seeking a highly capable Software Architect/Senior Software Engineer to take a lead role in designing and developing the core Transport Management System (TMS) and its associated suite of products, including … and email gateway. SC cleared candidates preferred. This position is ideal for someone who combines strong architectural design and technical leadership with the ability to remain hands-on in C# development. The role offers visibility to senior stakeholders and a direct opportunity to shape the technical direction of a mission-critical system. Key Responsibilities Act as technical design authority … performance, scalability, security, etc.). Collaborate with internal teams, clients, and project managers to ensure designs are aligned with business objectives and technical constraints. Provide hands-on development in C# and .NET, implementing and refining software components within a structured SDLC. Lead code reviews, design walkthroughs, and ensure adherence to engineering best practices. Drive continuous improvement in More ❯

We are looking to recruit an experienced senior .Net/C# software engineer with experience of developing within a Microservices architecture and developing API's. Experience working with event based messaging will also be a real advantage. To be a success in this role you will be an experienced .Net C# software engineer/.Net C# developer with excellent communication skills who enjoys working as part of a collaborative team. If successful you will be a senior member of the development team working on the development of business critical application applying event driven architectures and modernising the applications environment into Microservice architecture. This is a hybrid role More ❯

C#/.NET/WPF Software Engineer. Halifax. £40,000 to £55,000 KO2's client, a leading manufacturer of cutting-edge electronic instrumentation for water and soil monitoring, is seeking a C# Software Engineer to join their on-site team in Halifax. This role will focus on designing and developing graphical … user interfaces (GUIs) using C#, .NET, and WPF for touchscreen-based electronic systems. You'll work on real-world products that have a tangible environmental impact, used globally for monitoring and analysis. Role Overview As a C#/.NET Software Engineer, you'll join a small, close-knit development team working on the company … s next generation of touchscreen instrumentation. You'll take ownership of GUI development using C#, contribute to software architecture decisions within the .NET framework, and collaborate closely with hardware and electronics engineers. Key Skills & Experience Strong experience developing applications in C# Proficiency with .NET (Core or Framework) Experience creating GUIs with WPF for touchscreen or embedded More ❯

C# - Software Engineer - React or Redux - Hybrid - £45,000 + Bens - Hybrid:- This is an excellent opportunity for a Web Software engineer who has experience of developing browser-based solutions and is looking for a new challenge. Opportunities like this do not come up very often and this could really be … learn new skills. Salary - £45,000 + Pension + Health + stock options + hybrid working - 2 days in the office per week. Do you have experience of developing C# solutions in React or Redux and are looking for a new challenge? You will be working with some of the most innovative software solutions within cyber security … frameworks, such as React, Redux Automated testing tools e.g. QUnit for JavaScript, or similar. JavaScript both client-side script and server ASP Multi-tier web application development experience including C# Experience designing for accessibility Experience of SQL Server usage Developing, deploying and supporting web clients using Classic ASP and JavaScript This is just a short over-view of what More ❯

C# Software Engineer About the Role: We are seeking an experienced Embedded Software Engineer to develop safety-related real-time application software for next-generation systems. This is a hands-on role covering the full software lifecycle, from architecture and design to implementation and testing. Key Responsibilities … Design, implement, and verify embedded software for complex systems. Work with formal requirements capture tools and configuration management processes. Conduct unit testing and code coverage analysis using industry-standard tools. Collaborate with multidisciplinary teams in a lab environment. Essential Skills: Strong experience in bare-metal embedded software development using C/C++. Knowledge of safety-critical More ❯

C# Software Engineer About the Role: We are seeking an experienced Embedded Software Engineer to develop safety-related real-time application software for next-generation systems. This is a hands-on role covering the full software lifecycle, from architecture and design to implementation and testing. Key Responsibilities … Design, implement, and verify embedded software for complex systems. Work with formal requirements capture tools and configuration management processes. Conduct unit testing and code coverage analysis using industry-standard tools. Collaborate with multidisciplinary teams in a lab environment. Essential Skills: Strong experience in bare-metal embedded software development using C/C++. Knowledge of safety-critical More ❯

Senior Software Engineer/Full Stack 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 … 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 working collaboratively, problem solving and … just off M25 or about 10 minute walk from the station) you can enjoy a range of perks such as onsite gym and playroom. About you: You have strong C# .Net Core backend development skills You also have some experience with JavaScript/TypeScript, React, HTML and CSS for front end work You have experience with Kubernetes and/ More ❯

MERITUS Talent are working with Europe's leading weapons manufacturer for the recruitment of a C# Software Engineer on a 12 month contract (Inside IR35). Candidates need an active SC Clearance, and due to the sensitivity of the work, a valid UK-only passport. C# Software Engineer - 12 Months … emulators. Working with Project Leads and Simulation Architects to design and develop simulation components as an end to end representation of a weapon System in a synthetic environment using C#, C++ and integration simulations, supporting a number of industry standards. You will work as part of a heterogeneous agile development team, made up of mixed discipline engineers working in … equipment. Our approach to software development includes Configuration control Continuous Integration Continuous Delivery or Deployment. Unit testing and test driven development. Skillset/experience required: Proficient in C#/C++ Microsoft Visual Studio, Eclipse, Ability to work from high level/system view into technical detail. Excellent verbal, presentation and written communication skills Knowledge of using Microsoft More ❯