19 of 19 Permanent C# .NET Developer Jobs in the South East

Full Stack .NET Developer (C#, ASP.NET Core) Oxfordshire/Hybrid (1 day per week in office) Easily commutable from Oxford, Milton Keynes, Birmingham and London (direct rail) £40,000 to £50,000 plus great benefits. How often do you get to rewrite a whole product … over the next few years, and this role sits right in the middle of that work. You will be building the new product in C# and ASP.NET Core: real greenfield code on one side, a live system with real users on the other, and the job of moving ...

C# | .NET | FinTech | Trading Systems | Software Engineering An exciting opportunity for a C# .NET Developer to join a specialist FinTech trading business building technology used within fast-moving financial markets. You’ll join a small, highly talented engineering team of around … doing You’ll work on the development and improvement of the company’s trading technology, including: Designing and developing software using C# and .NET Building reliable, scalable and high-quality applications Developing and integrating APIs and backend services Working with complex financial and trading data Improving existing ...

Lead C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to 100kDo you have expertise with C# desktop development, working on complex scalable systems You could be progressing your career, in a senior, hands-on leadership role working on complex … contribution)Health Care and Life AssuranceTraining and career developmentSocial events and a range of other perks Your role:As a Lead C# Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship desktop insurance platform that handles 4 billion requests ...

Lead C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to £100k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex … contribution) Health Care and Life Assurance Training and career development Social events and a range of other perks Your role: As a Lead C# Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship desktop insurance platform that handles ...

C# Developer/Full Stack Engineer (C# .Net Agentic AI) Reigate/WFH to 95kAre you a technologist C# Developer with an AI first mindset and full stack development skills You could be progressing your career in a senior, hands … your birthday off)Pension, Health Care and Life AssuranceTraining and career developmentSocial events and a range of other perks Your role:As a C# Developer you'll design, develop and enhance modern SaaS applications, working closely with Product Owners to shape new features from concept through ...

C# Developer/Full Stack Engineer (C# .Net Agentic AI) Reigate/WFH to £95k Are you a technologist C# Developer with an AI first mindset and full stack development skills? You could be progressing your career in a senior, hands … birthday off) Pension, Health Care and Life Assurance Training and career development Social events and a range of other perks Your role: As a C# Developer you'll design, develop and enhance modern SaaS applications, working closely with Product Owners to shape new features from concept through ...

Engineer/Software Developer, C# .NET, Reading, £450 day rate, Outside IR35, COR7631 We're looking for an experienced AI Engineer/Software Developer to join a long-term contract with an initial 3-month term and a strong likelihood of extension … rate of up to £450, outside IR35. As an AI Engineer/Software Developer, you'll be responsible for developing software using C# and .NET while leveraging AI-powered tools throughout the software development lifecycle. You'll be someone who naturally incorporates AI into ...

Lead C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to 100kDo you have expertise with C# desktop development, working on complex scalable systems You could be progressing your career, in a senior, hands-on leadership role working on complex … contribution)Health Care and Life AssuranceTraining and career developmentSocial events and a range of other perks Your role:As a Lead C# Developer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship desktop insurance platform that handles 4 billion requests ...

HotLizard is looking for a .NET/C# Developer to join our small, experienced development team, working on our established online sports and recruitment products. You'll be developing new features, improving user experience, and helping advance the platform using modern tools and techniques with … real ownership and minimal bureaucracy. Our platforms are VB.NET and will remain so in part; new sports modules are C#/MVC. No VB.NET experience needed we'll support a strong C# developer in picking it up. Key responsibilities Design, build, and maintain features across ...

C#/.NET & Power Platform Developer Do you want to work for a really challenging company? Are you looking for autonomy , responsibility and the opportunity to progress your career Then APPLY NOW! Central London | Hybrid | FTSE250 Perm role and In partnership with Robert Half … fantastic opportunity to join a top company as a C#/.NET Developer with strong Microsoft Power Platform experience. This role would suit someone who combines strong technical development skills with Business Analysis and stakeholder management experience , and can bridge the gap between business requirements ...

Principal Software Developer, AI Integration, C#, £550 day rate, Outside IR35, Reading, COR7630 We're looking for an experienced Principal Software Developer to join a long-term contract with an initial 3-month term and a strong likelihood of extension up to 18 months. This … development lifecycle, improving productivity and modernising engineering practices. What's required of the Principal Software Developer? Strong commercial experience developing software with C# and .NET Experience leading or supporting the adoption of AI within a software development team Knowledge of AI-assisted development tools, such ...

About the Role C#, .NET, .NET Core, SQL Server, T-SQL, Entity, Azure, App Services, Azure Service Bus, Event-driven architecture, APIs, CI/CD, DevOps. We have 2 great permanent job opportunities to join our client in early 2026. Based in Kent offices ...

Senior C# Developer - up to 55 000Due to the growing success, despite recent difficulties, this multinational C# software development specialist company is now looking for a new addition to their team.You will be directly involved with developing complex software systems working with different teams … applications, which are customisable to ensure maximum efficiency.You will have the opportunity to work with the latest Microsoft stack, including Azure and .NET Core within a microservices architecture. Also, ground breaking Javascript frameworks such as Angular and React.Required experienceC# (minimum of 7 years commercial experience).NET ...

C# ASP.NET Core DeveloperLooking for your next challenge Working with C# ASP.NET Core, Azure and Angular within a microservices architecture you will help to create the next iteration of software applications which is changing the international travel industry as we speak. Required experienceC#ASP.NET CoreAPI developmentAngularTypescript, JavaScript, HTML ...

C#.NET, React, JavaScript, TypeScript, JIRA, SQL, Agile, SCRUM, AI (Claude, ChatGPT). Don't worry. We don't need every skill listed. Ideally, the more the merrier (as you probably expected) but at the heart ...

About the Role C#.NET, .Net Core, TDD, Entity, MVC, SQL Server, Azure, React, Angular. We have a great opportunity that needs a capable full-stack developer, based in the Tunbridge Wells area of West Kent/East Sussex. As the role is hybrid, you do need … distance of Tunbridge Wells (Kent, East Sussex, West Sussex, Surrey). It is a permanent role only. What We're Looking For A developer/software engineer with 2-3 years+ .NET development experience Someone with full-stack experience, although our client will consider those with ...

C#.NET Software Developer - React, JavaScript, Agile C#.NET, React, JavaScript, TypeScript, JIRA, SQL, Agile, SCRUM, AI (Claude, ChatGPT). Don't worry. We don't need every skill listed. Ideally, the more the merrier (as you probably expected), but at the heart of this role must be solid C#.NET ...

About the Role C#.NET, .Net Core, TDD, Entity, MVC, SQL Server, Azure, Cloud, Azure Service Bus, RabbitMQ, Back End, Git, REST APIs. Start 2026 with one of these great new opportunities, based in Kent, UK. Permanent roles only. What We're Looking For A Computing Graduate with … months .NET from work, work placement or possibly self-study Someone with 2-3 years C#.Net seeking the next step in their career in the financial services sector .NET Developers wanting a career path Additional Information Candidates will ideally be living within commuting distance of Kent ...

leading Japanese IT company with a central London office is seeking a C#.NET Developer for its Financial Systems Team. They welcome candidates with knowledge of banking, securities, or insurance operations, and experience developing with C#.NET. Ideal candidates have led enhancements, maintenance, or improvements of existing systems. This position … permanent position based on performance Working Hours: 9:00-17:00 from Monday to Friday Start: negotiable * All applicants for the Financial Systems Developer (C#.NET Engineer) must have the right to work in the country as the Company is NOT able to offer visa support. If your application ...