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# DV Cleared Software Engineer

- **Company:** iO Associates
- **Location:** Cheltenham, UK
- **Experience:** Expert
- **Salary:** £65,000.0 - £85,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Microsoft Azure, Cloud Computing, Code Review, Continuous Integration, Github, Python (Programming Language), PostgreSQL, MongoDB, Software Deployment, TypeScript, ReactJS, Backend, Fastapi, Gitlab-ci, Front End Software Development, Restful APIs, Docker, Jenkins
- **Published:** October 16, 2026
- **Apply:** https://www.careerjet.co.uk/job/gbe14c2ca28f7ebba37d9ead179205dcea/eaa

## About the Role

* Strong commercial experience with Python and FastAPI.
 * Solid experience designing and consuming REST APIs.
 * Front-end development experience with React and TypeScript.
 * A strong understanding of both PostgreSQL and MongoDB.
 * Hands-on experience with Docker and Kubernetes.
 * A collaborative approach and the ability to work across the full stack.

Nice to have

 * CI/CD tooling (e.g. GitLab CI, Jenkins, GitHub Actions).
 * Cloud experience (AWS, Azure) or on-prem/air-gapped environments.
 * Experience in defence, intelligence or government programmes.

## Description

We're working with a well-established organisation delivering mission-critical software for UK national security customers. They're looking for a Python full stack developer to join a small, capable engineering team. You'll build and maintain secure, scalable applications from API to front end.
You'll design back-end services and user-facing tools that people rely on day to day. You'll have real ownership of what you ship and a voice in technical direction.
What you'll be doing

 * Designing and building REST APIs and back-end services in Python using FastAPI.
 * Developing intuitive front-end interfaces with React and TypeScript.
 * Modelling and managing data across PostgreSQL and MongoDB.
 * Containerising and deploying applications using Docker and Kubernetes.
 * Working closely with engineers, analysts and end users to turn requirements into working software.
 * Contributing to code reviews, testing and continuous improvement of engineering practices.