Full Stack Engineer (National Security) in Cheltenham

Job Description

About the Opportunity

We are partnering with a leading Engineering business seeking experienced Full Stack Software Engineers to help deliver mission‑critical capabilities that protect the UK’s security and prosperity. You will work at the intersection of advanced engineering and real‑world problem‑solving, developing cutting‑edge products that counter evolving threats.

Our teams work with leading technologies across AI / DS, Cyber, Cloud, DevOps / SRE, and Platform Engineering, supporting customers across the National Security, Defence and Intelligence community. With long‑term programmes secured, this is an opportunity to join a high‑growth environment with genuine impact.

Location : Cheltenham

Business Unit : National Security

Employment Type : Permanent or Contract

Clearance : Must hold active UK Security Clearance

What You’ll Be Doing

• Designing, developing, and delivering secure, high‑quality software solutions.
• Producing clean, test‑driven code and ensuring adherence to engineering best practice.
• Translating logical designs into physical implementations and producing detailed designs.