Principal .NET Engineer
Cambridge | Hybrid | £65,000–£90,000 + 10% bonus
Our client is a global leader in industrial software and technology , providing solutions used by organisations across manufacturing, energy, engineering and infrastructure. Their technology helps customers manage the complete lifecycle of complex industrial assets, from design and construction through to operation and optimisation.
The business is investing significantly in cloud platforms, industrial data and AI , with its R&D teams working on the next generation of intelligent capabilities for its global customer base.
The opportunity
We’re looking for a Principal .NET Engineer to provide hands-on technical leadership within a growing R&D engineering team in Cambridge.
This is a senior individual contributor role. You won't be managing a large team. Instead, you'll be expected to define technical direction, solve complex engineering problems, influence architecture and mentor other engineers .
What you'll be doing
Defining technical approaches and architectural direction
Designing scalable, distributed systems using C#/.NET
Working with microservices, Kubernetes and cloud infrastructure
Driving best practices around infrastructure, automation and security
Solving complex technical problems end-to-end
Influencing architecture across a large-scale platform
Mentoring and supporting other engineers
Working closely with product and engineering teams internationally
Using and promoting modern AI-assisted development tools such as Codex and Claude
What we're looking for
Extensive commercial software engineering experience
Deep C#/.NET expertise
Strong understanding of distributed systems and microservices
Experience with Kubernetes, cloud platforms and Infrastructure as Code
Strong knowledge of authentication and authorisation
Broad understanding of modern software architecture
Proven experience taking ownership of complex technical problems
Ability to provide technical leadership without formal people-management responsibility
A genuine interest in using AI tools to improve the software development process
£55k - £80k per annum
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