151 to 175 of 826 C# Developer Jobs in the UK

Senior C# Software Developer Our client is an established software company with over 20 years of experience delivering innovative digital platforms to a wide user base. They are looking for a Senior Software Developer to join a small, collaborative team working across the full Microsoft … greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding tasks and contribute to system architecture Perform code reviews and mentor junior developers Collaborate across teams to deliver … business-critical solutions Provide second-line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes More ❯

Senior C# Software Developer Our client is an established software company with over 20 years of experience delivering innovative digital platforms to a wide user base. They are looking for a Senior Software Developer to join a small, collaborative team working across the full Microsoft … greenfield systems, contribute to architectural decisions, and support the continuous improvement of development practices. Key responsibilities: Develop and maintain scalable, high-quality software using C#, .NET, and Azure Lead on coding tasks and contribute to system architecture Perform code reviews and mentor junior developers Collaborate across teams to deliver … business-critical solutions Provide second-line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes More ❯

Job Description Role Type: Perm Title: Senior C# Engineer Client: Established Financial Institution Salary: Up to £120,000 P/A + Bonus Location: London/Hybrid My client is a well-established and successful tech house working in the finance sector, seeking a talented senior C# Developer … opportunity to work with some of the best technologists and the latest technologies in the industry on a greenfield project! Requirements: Strong experience with C#/.NET Experience with Cloud Technologies, particularly Azure Experience with TypeScript and frameworks like Angular or React Strong SQL skills Finance experience is a More ❯

Social network you want to login/join with: Senior Developer - C# .NET, sunderland, tyne and wear col-narrow-left Client: Oliver Bernard Location: sunderland, tyne and wear, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 10 Posted: 09.06.2025 col … leverage their skillsets. What Makes a Great Candidate Excellent programming and technology skills, including an in-depth understanding of and recent programming experience in C#/.Net or other object-oriented languages such as Java, Python or C++. Experience working with SQL databases. A strong enthusiasm for programming and … knowledge and exposure. Innovation : Challenge current systems and processes to achieve common goals through technical excellence and innovation. If you are a great developer and communicator who loves working on demanding initiatives and solving challenging problems, this could be the right place for you. Join them to make More ❯

Permanent opportunity for a C# Developer in the e-commerce industry. As part of a small team you would be a key member in the success and progression of our clients' e-commerce site. Commutable from Gloucester, Cheltenham, Oxford, Cirencester or Swindon. Salary £35K to £40K DOE. … to learn new skills. If solving complex problems is of interest to you then this could be the role for you. Technical Skills Required: C# .Net WinForms WPF WebForms MS SQL Server T-SQL Excel Advanced User Beneficial Skills: Perl VB6/VB.Net AWS Accounting System Integration If you More ❯

London/Hybrid | 💷 £750/day | 🗓 12-Month Rolling | ✅ Outside IR35 Our client, a leading investment management firm, are looking for a senior C# Developer to join their tech team on a long-term outside IR35 contract. You’ll be building and enhancing complex systems that support … a modern, event-driven architecture. Expect a fast-paced, collaborative environment where your code genuinely matters. What you’ll be doing: Developing high-performance C#/.NET Core applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech … you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for: Proven C# expertise in a financial services or trading environment More ❯

London/Hybrid | 💷 £750/day | 🗓 12-Month Rolling | ✅ Outside IR35 Our client, a leading investment management firm, are looking for a senior C# Developer to join their tech team on a long-term outside IR35 contract. You’ll be building and enhancing complex systems that support … a modern, event-driven architecture. Expect a fast-paced, collaborative environment where your code genuinely matters. What you’ll be doing: Developing high-performance C#/.NET Core applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech … you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for: Proven C# expertise in a financial services or trading environment More ❯

London/Hybrid | 💷 £750/day | 🗓 12-Month Rolling | ✅ Outside IR35 Our client, a leading investment management firm, are looking for a senior C# Developer to join their tech team on a long-term outside IR35 contract. You’ll be building and enhancing complex systems that support … a modern, event-driven architecture. Expect a fast-paced, collaborative environment where your code genuinely matters. What you’ll be doing: Developing high-performance C#/.NET Core applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech … you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for: Proven C# expertise in a financial services or trading environment More ❯

London/Hybrid | £750/day | 12-Month Rolling | ✅ Outside IR35 Our client, a leading investment management firm, are looking for a senior C# Developer to join their tech team on a long-term outside IR35 contract. You’ll be building and enhancing complex systems that support … a modern, event-driven architecture. Expect a fast-paced, collaborative environment where your code genuinely matters. What you’ll be doing: Developing high-performance C#/.NET Core applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech … you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for: Proven C# expertise in a financial services or trading environment More ❯

London/Hybrid | 💷 £750/day | 🗓 12-Month Rolling | ✅ Outside IR35 Our client, a leading investment management firm, are looking for a senior C# Developer to join their tech team on a long-term outside IR35 contract. You’ll be building and enhancing complex systems that support … a modern, event-driven architecture. Expect a fast-paced, collaborative environment where your code genuinely matters. What you’ll be doing: Developing high-performance C#/.NET Core applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech … you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for: Proven C# expertise in a financial services or trading environment More ❯

London/Hybrid | 💷 £750/day | 🗓 12-Month Rolling | ✅ Outside IR35 Our client, a leading investment management firm, are looking for a senior C# Developer to join their tech team on a long-term outside IR35 contract. You’ll be building and enhancing complex systems that support … a modern, event-driven architecture. Expect a fast-paced, collaborative environment where your code genuinely matters. What you’ll be doing: Developing high-performance C#/.NET Core applications Working on distributed systems and microservices Collaborating across tech and business teams Supporting cloud-based and DevOps-first deployments Tech … you'll be using: C#/.NET Core Kafka/RabbitMQ (or similar messaging frameworks) SQL Server Azure or AWS CI/CD tools (Azure DevOps, TeamCity) Docker/Kubernetes (nice to have) What we’re looking for: Proven C# expertise in a financial services or trading environment More ❯

We are looking for a C# Developer to join a team working for our UK-based client - the national mapping agency for Great Britain and a global leader in geospatial data and digital mapping solutions. You will be part of a project focused on building a comprehensive … of data pipelines, backend services, and a frontend application that support critical decision-making across government and industry. Responsibilities: Develop and maintain applications using C#, .NET (Core/Framework), and related technologies. Design and implement RESTful APIs, microservices, and backend logic. Participate in the full software development lifecycle, including … application performance. Contribute to code reviews, technical documentation, and agile ceremonies (e.g., stand-ups, sprint planning). Requirements: 4+ years of development experience with C# Proven track record delivering complex, high-quality web applications Strong communication and collaborative team mindset Contract details: Start Date: September 2025 Contract Length More ❯

We are looking for a C# Developer to join a team working for our UK-based client - the national mapping agency for Great Britain and a global leader in geospatial data and digital mapping solutions. You will be part of a project focused on building a comprehensive … of data pipelines, backend services, and a frontend application that support critical decision-making across government and industry. Responsibilities: Develop and maintain applications using C#, .NET (Core/Framework), and related technologies. Design and implement RESTful APIs, microservices, and backend logic. Participate in the full software development lifecycle, including … application performance. Contribute to code reviews, technical documentation, and agile ceremonies (e.g., stand-ups, sprint planning). Requirements: 4+ years of development experience with C# Proven track record delivering complex, high-quality web applications Strong communication and collaborative team mindset Contract details: Start Date: September 2025 Contract Length More ❯

Junior C# .Net Developer, C#.Net/Graduate, Kettering, Northamptonshire to £26,000 An established award winning Digital Agency in Kettering, Northamptonshire is requiring and enthusiastic ASP.Net web developer. The successful Developer will join a large team of Developers, reporting to the Head of the Development. … You will ideally have examples of websites you have produced. The role will entail building database-driven websites and web applications in ASP.Net using C# and web forms. You will be expected to develop a website which matches the design perfectly, so a keen eye for detail is important. … so you will be expected to have good interpersonal skills. Successful candidates will: Have excellent HTML/CSS skills. Be proficient in .Net using C# and web forms. Have experience using MS SQL Server. Experience in Javascript, Foundation, IIS management and SagePay integration is advantageous. Be efficient, organised and More ❯

Junior C# .Net Developer, C#.Net/Graduate, Kettering, Northamptonshire to £26,000 An established award winning Digital Agency in Kettering, Northamptonshire is requiring and enthusiastic ASP.Net web developer. The successful Developer will join a large team of Developers, reporting to the Head of the Development. … You will ideally have examples of websites you have produced. The role will entail building database-driven websites and web applications in ASP.Net using C# and web forms. You will be expected to develop a website which matches the design perfectly, so a keen eye for detail is important. … so you will be expected to have good interpersonal skills. Successful candidates will: Have excellent HTML/CSS skills. Be proficient in .Net using C# and web forms. Have experience using MS SQL Server. Experience in Javascript, Foundation, IIS management and SagePay integration is advantageous. Be efficient, organised and More ❯

us with problems that need genuine thought, intelligence and knowledge; we're not just putting bodies on seats. We are seeking a highly skilled C# Developer with a strong background in asset management or investment banking. The ideal candidate will possess expert-level proficiency in C# … Forms and front-end development frameworks such as Angular will be considered advantageous. Key Responsibilities: Design, develop, and maintain high-quality software applications using C# and .NET technologies (both .NET Framework 4.8 and .NET 8). Collaborate with cross-functional teams to gather and analyze business requirements and translate … Conduct code reviews and provide technical guidance to junior developers. Troubleshoot and debug applications to ensure optimal functionality and performance. Expert level developing in C#/.NET (.NET Framework 4.8 + .NET 8) Strong SQL experience (SQL Server and PostgreSQL) Experience with Kafka Windows Forms (.NET Framework) (Nice to More ❯

us with problems that need genuine thought, intelligence and knowledge; we're not just putting bodies on seats. We are seeking a highly skilled C# Developer with a strong background in asset management or investment banking. The ideal candidate will possess expert-level proficiency in C# … Forms and front-end development frameworks such as Angular will be considered advantageous. Key Responsibilities: Design, develop, and maintain high-quality software applications using C# and .NET technologies (both .NET Framework 4.8 and .NET 8). Collaborate with cross-functional teams to gather and analyze business requirements and translate … Conduct code reviews and provide technical guidance to junior developers. Troubleshoot and debug applications to ensure optimal functionality and performance. Expert level developing in C#/.NET (.NET Framework 4.8 + .NET 8) Strong SQL experience (SQL Server and PostgreSQL) Experience with Kafka Windows Forms (.NET Framework) (Nice to More ❯

D365BC/C# Integrations Developer - UK Remote, £65k Direct message the job poster from Conspicuous Dynamics Recruitment | D365 | AX | NAV | CRM | Power Platform | Finance D365BC/C# Integrations Developer - UK Remote, £65k DO NOT APPLY if you are not involved with Dynamics D365BC (this … is a D365BC role) Role You will join a small partner company looking for a D365BC Developer with C# skills to create API integrations for their clients. Key Skills Dynamics D365BC Development (ESSENTIAL) Location: UK based You will be part of a small, friendly team working on More ❯

Senior Software Developer/Engineer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software 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 … 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. Once the Beta has been rolled out and tested the company has ambitious growth plans, this is 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 software development lifecycle You have a More ❯

D365BC/C# Integrations Developer - UK Remote, £65k Direct message the job poster from Conspicuous Dynamics Recruitment | D365 | AX | NAV | CRM | Power Platform | Finance D365BC/C# Integrations Developer - UK Remote, £65k IMPORTANT: DO NOT APPLY if you are not involved with Dynamics D365BC … this is a D365BC role) Role You will join a small partner company looking for a D365BC Developer with C# skills to create API integrations for their clients. Key Skills Dynamics D365BC Development (ESSENTIAL) Location: UK based You will work with a small, friendly team on Dynamics More ❯

Social network you want to login/join with: C# Software Developer, watford, hertfordshire col-narrow-left Client: Fynity Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description … C# Software Developers Work on Next-Gen Defence Simulations 3 to 4 days on site, Stevenage A fantastic opportunity for a C# Developer with a passion for defence and cutting-edge simulation technology to join a leading Defence organisation. You'll be helping to shape the … and reliable simulation environments that help deliver safer, smarter, and more effective systems. In this varied role, you could be: Developing high-performance software (C#/C++) for real-time simulation systems Integrating software and hardware components to simulate complex weapon systems Using agile Scrum methodologies to deliver capability More ❯

Social network you want to login/join with: C# Software Developer (ASP.NET MVC) Birmingham (B60), birmingham (aston) col-narrow-left Client: Location: birmingham (aston), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col … wide Job Description: C# Software Developer (ASP.NET MVC) Birmingham (B60) £40,000 to £45,000 per annum An exciting opportunity has opened up to join a company that are a market leader in their sector. They are putting great effort into their latest venture and require an … ambitious C# .Net developer as a result of growth. You will be pivotal in the development and continued improvement of their software development and deployment. This is a hands-on role, which requires competent, proven, well documented and executed development procedures and processes. Regular product demos within More ❯

Social network you want to login/join with: C# Software Developer – Middlesbrough (On Site) Client: Location: Middlesbrough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 12.05.2025 Expiry Date: 26.06.2025 Job Description: Due to ongoing expansion, our client is seeking a … C# Developer to join a busy development environment working on building new applications and their web infrastructure. The successful candidate will be versatile and able to cope well with pressure. A genuine enthusiasm for development and a "can-do" attitude are also key. What you will be … resolution related to live products requiring development fixes. Person Specification: To be considered, candidates must have the following skills gained within a commercial role: C# Visual Studio SQL Server 2000+ HTML CSS Git MVC The ideal candidate will have at least one year of commercial development experience. #J More ❯

RemoteWorker UK United Kingdom Software Developer C#, CMS Northeast/remote £60k-£70k A well-established company is looking for several Senior Full Stack Developers to join their team. This role involves developing new websites, web applications, and assisting in maintaining existing ones. Collaborate with the creative … existing websites and applications Collaborate with the creative team Utilize the latest technologies for CMS development Requirements: At least 3 years' commercial experience in C#/.NET Experience in CMS (Sitecore/Umbraco) SQL server knowledge (No-SQL experience is a plus) Desirables: Continuous integration/Continuous deployment (CI … collaborative team working on greenfield applications with ample opportunities for technical growth and career progression. How To Apply: If you are an experienced Developer looking for career advancement and a supportive work environment, apply now as interviews are ongoing. Oscar Associates (UK) Limited is the Employment Agency for More ❯

skills and experience — talk with your recruiter to learn more. Base pay range A Proprietary Trading firm in London is seeking a talented Senior C# Developer to join their trading and execution team. This new role has been created due to the company’s strong performance and … with the team to improve operational workflows and user experience. Key Requirements Degree in Computer Science or a related scientific field. Strong experience in C# and the .NET platform. Experience in building or maintaining trading and data analytics platforms. Good database experience, including SQL Server, Oracle, or similar. Knowledge More ❯