Senior .NET Developer (C#)

TL;DR

Senior .NET Developer (C#): Delivering high-quality C#/.NET solutions and production-grade APIs for the ROAM Technical Services team with an accent on technical leadership, mentoring, and maintainable architecture. Focus on designing scalable integrations, improving software quality through automated testing, and solving complex production issues.

Location: On-site in Stansted Mountfitchet, UK (5 days a week)

Salary: £70,000 – £75,000

Company

Innovative software organisation specializing in technical services.

What you will do

• Deliver high-quality C#/.NET solutions across the full software development lifecycle.
• Design, develop, test, and deploy production-grade applications, APIs, and integrations.
• Provide technical leadership through code reviews, mentoring, and promoting engineering best practices.
• Collaborate with stakeholders to refine requirements and design practical technical solutions.
• Improve software quality via maintainable architecture, secure coding, and automated testing.
• Troubleshoot complex production issues and contribute to team planning and estimation.

Requirements

• 5+ years of commercial software development experience with strong C# and .NET/.NET Core expertise.
• Proven track record of building and maintaining production-grade applications and REST APIs.
• Strong knowledge of service-oriented architecture, SQL databases, and secure coding.
• Experience with Git, CI/CD pipelines, and DevOps practices.
• Must be based in the UK and able to work on-site 5 days a week in Stansted Mountfitchet.

Nice to have

• Experience with XAML and Visual Studio.
• Relevant degree or equivalent professional experience.
• Prior technical leadership experience.