.NET Developer (Staines-Upon-Thames)

Contract Snr .NET Developer – Hybrid/Staines - £650-£750/day - OUTSIDE IR35

We are partnering with a rapidly growing, private equity-backed tech company that is delivering cutting-edge tax and regulatory software to an elite client base. With a team of approximately 140 and a strong, collaborative culture, this organisation is known for innovation, reliability, and outstanding customer service

They are now seeking an experienced Senior .NET Developer to work on their enterprise-grade, cloud-native SaaS product helping multinational organisations.

Key Responsibilities:

• Develop enterprise SaaS features: Work on automation flows, LLM integrations, and workflow modules using C#/.NET 9.
• Architect scalable solutions: Design clean, modular back-end components and APIs optimized for Azure.
• Full-stack collaboration: Contribute to front-end development (Vue 3 + TypeScript) to deliver seamless features.
• Drive quality: Lead code reviews, write unit/integration tests, and enhance CI/CD pipelines in Azure DevOps.
• Shape architecture: Engage in RFC discussions, pair programming, and documentation to elevate the platform.

What You Bring:

• 7+ years of professional experience in C#/.NET development (.NET 8 or later).
• Proven track record delivering enterprise SaaS solutions on Microsoft Azure.
• Deep expertise in Entity Framework Core, SQL optimisation, and scalable data models.
• Strong understanding of DevOps practices: CI/CD, Infrastructure as Code, automated testing.

Hybrid working:

• The contract requires 2 days a week working in the companies Staines office.

Contract Snr .NET Developer – Hybrid/Staines - £650-£750/day - OUTSIDE IR35