Full-time

Back End Software Engineer

Posted by IO • Romsey, Hampshire, United Kingdom

📍 Romsey, Hampshire 🕒 March 03, 2026

About the Role

Software Engineer (Backend)

Hybrid/Romsey

Up to £65,000 per annum (DOE) + Generous Benefits package

iO Associates has partnered with a R&D client specialising In Defence, and National Security, who is looking for a Backend Software Engineer to build high-speed, mission-critical systems for our National Security.

You'll design, develop, test, and deploy modern backend services that connect physical and digital systems, working with Go, Kubernetes, and cloud‑native tooling to deliver reliable analytics pipelines.

What they're looking for:

Building high‑performance backend services in Go.
Shipping containerised apps to Kubernetes with Helm and ArgoCD.
Turning concepts into robust technical designs.
Shaping work in an Agile team through epics, stories, and sprint rituals.
Creating clear, concise technical documentation.
Monitoring live systems and fixing issues before they become problems.Skillset required:

Strong experien...

Ready to Apply?

Submit your application today and take the next step in your career journey with IO.

Apply Now