Principle and Senior Backend Software Engineer (.NET)

We’re searching for a highly skilled Principle and Senior Backend Engineer with fast, accurate coding skills and a passion for building scalable, reliable systems.

You will play a critical role in designing and developing backend services that power IoT products used across high-integrity industries including Fire, Security, Telecare, Retail, Water, and National Infrastructure.

The Role

• Build and maintain backend systems using .NET / C#
• Design clean, scalable, maintainable architectures
• Contribute to high automated test coverage across all services
• Translate business requirements into secure, performant backend solutions
• Collaborate closely with front-end, QA, product, and platform teams
• Solve complex technical challenges with elegant, thoughtful solutions

• Backend: .NET / C#
• Automated Testing: NUnit
• Solution Testing: Playwright
• Strong focus on:
  • Reliability and performance
  • Clean, maintainable code
  • High-level automated test coverage
  • Scalable, production-ready services