Senior Back End Developer

Our client is a global technology business whose software helps organisations manage complex, asset-heavy operations.

The opportunity

We're looking for a Senior Backend Engineer to join a growing R&D team in Cambridge. With a major focus on cloud, connected data and AI, the team is building new ways for users to interact with data through intelligent applications and agents.

This suits an engineer who enjoys solving complex problems across the stack and has deep experience in distributed systems, microservices and authorisation. The platform is built on C#/.NET, but we welcome strong engineers from other backend languages.

The role

You'll work on a platform built around a large microservices architecture, making data accessible through modern applications and emerging AI capabilities. You'll be involved in:

• Designing and building scalable, distributed microservices
• Designing and implementing authentication and authorisation
• API design and integration
• Working with Kubernetes and containerised environments
• Infrastructure automation and Infrastructure as Code
• Contributing to architectural and technical decisions
• Working across international engineering teams
• Using AI/LLM tools such as Codex and Claude in your development workflow

What we're looking for

These three skills are essential, and you'll need experience in all of them:

• Distributed systems: you've designed, built and run distributed applications, and understand the trade-offs involved
• Microservices: hands-on experience building and operating services within a microservices architecture
• Authentication and authorisation: you've implemented access control in production systems

Alongside these, we're looking for:

• 5+ years' software engineering experience
• Strong API and application development experience
• Experience with Kubernetes and cloud technologies
• Exposure to IaC, automation and modern DevOps practices
• Experience across a broad technology stack rather than a highly siloed background
• Comfort actively using AI tools in your development workflow

Location: candidates must be based in or within easy commuting distance of Cambridge, as the role is hybrid.

C#/.NET and other languages

The platform is written in C#/.NET, so commercial C# experience is a strong advantage. It is not a requirement. If you have solid experience across distributed systems, microservices and authorisation in another backend language , we'll consider you and expect you to pick up C# quickly.

The team values engineering breadth. You don't need to be an expert in every technology, but you should understand how the different pieces of a modern platform fit together.