Principle and Senior Backend Software Engineer (.NET)
Location: North London/HertfordshireType: Permanent | Strong Salary + Bonus + EquityRight to Work: UK work eligibility required (no sponsorship)
What We’re Looking For
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
You will:
- 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
Our Technical Environment
- 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
Our Culture
We’re building a team centred on collaboration, inclusion, and engineering excellence. You’ll be joining an environment where people feel supported, challenged, and empowered.
This is an exceptional opportunity to join a growing British IoT leader at a pivotal moment and contribute to the foundation of a brand‑new engineering organisation.
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