Mid-Level .NET Developer

About the role

We are partnering with a growing technology‑focused organisation in Hertfordshire to hire a Mid‑Level .NET Developer. You will join a collaborative software engineering team, working on scalable Microsoft‑based solutions and taking ownership of features from design through to production.

Key responsibilities

• Develop, maintain and enhance applications using C# and .NET.
• Build and maintain back‑end services and RESTful APIs.
• Write clean, efficient and maintainable code.
• Work with SQL Server databases to develop and optimise data‑driven applications.
• Collaborate with developers, testers, product managers and stakeholders.
• Participate in code reviews and improve development standards.
• Troubleshoot and resolve software issues.
• Support delivery of new features and product improvements.
• Contribute to Agile ceremonies such as sprint planning and retrospectives.

Required profile

• 3+ years of commercial software development experience.
• Valid UK right to work.
• Full‑time availability.
• Experience working in an Agile development environment.
• Strong problem‑solving skills and willingness to learn.

Required skills

• C#
• .NET (including .NET 6.NET 7.NET 8)
• ASP.NET / ASP.NET Core
• REST APIs
• SQL Server
• Git
• Entity Framework / Entity Framework Core
• Microsoft Azure
• Azure Functions
• Azure DevOps
• CI/CD pipelines
• Docker
• Microservices
• JavaScript
• TypeScript
• React
• Angular
• xUnit
• NUnit
• Selenium

What we offer

• £45k+ salary package.
• Hybrid working (2‑3 days per week on site).
• Modern Microsoft technology stack.
• Training and development opportunities, including support for Microsoft certifications.
• Pension scheme and healthcare benefits.
• Clear career progression towards Senior Developer or Technical Lead.