> Markdown version of [/jobs/ext/3878126-net-developer](https://www.wearedevelopers.com/jobs/ext/3878126-net-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Net Developer - **Company:** Synapri Ltd - **Location:** London, UK - **Experience:** Expert - **Salary:** £130,000.0 - **Contract:** Temporary contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Software Applications, ASP.NET MVC Framework, Unit Testing, C Sharp (Programming Language), Continuous Integration, Software Design Patterns, Extensible Application Markup Language, Windows Presentation Foundation, Team Foundation Server, Systems Development Life Cycle, Systems Integration, Windows Forms, Enterprise Software Applications, .NET Core, Git, Deployment Automation, Restful APIs, Web Api - **Published:** October 23, 2026 - **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-9A894E07AE9A98D12B/ ## About the Role Applicants must be eligible to work in the specified location Senior C#/.NET Developer We are looking for an experienced Senior C#/.NET Developer to join an established technology team in the banking industry, working on the design and development of enterprise-grade web and desktop applications., * Strong commercial experience with C#, .NET/.NET Core and ASP.NET MVC * Hands-on experience developing Web APIs, REST services and enterprise applications * Experience with WPF, WinForms and/or XAML is advantageous * Strong understanding of TDD/BDD, unit testing and SOLID/design patterns * Experience working within Agile/Scrum development environments * Familiarity with Git/TFS and CI/CD or automated deployment environments * Ability to work across the full SDLC, from requirements and design through to development, testing, deployment and support This is an excellent opportunity for a hands-on Senior Developer who enjoys working on complex applications, integrating with APIs and third-party systems, and delivering high-quality software within an Agile environment.