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 role is based in Reading, with three days per week onsite, and offers a day rate of up to £550, outside IR35.

As a Principal Software Developer, you’ll play a key role in driving the adoption of AI within a software engineering team. Working closely with developers, you’ll help integrate AI-powered tools and agentic technologies into the 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 as Claude, GitHub Agents, or similar agentic AI technologies

Experience improving engineering workflows through AI integration and automation

Excellent communication skills, with the ability to work closely with technical teams and influence best practice

What’s Next?

If you’re an experienced Principal Software Developer with a background in AI integration and are available for a new contract, apply today to learn more!

Principal Software Developer, AI Integration, C# .NET, Reading, £550 day rate, Outside IR35, COR7630