Python Developer

SC Cleared Python Developer – Defence & Aerospace

£500 per day (Outside IR35) | 3-month contract, potential extension | Hybrid, Essex | Immediate Start

We are seeking 1–2 experienced Python Developers for an urgent project within the defence and aerospace sector.

This is an excellent opportunity to contribute to a technically challenging project involving defence cloud environments, automation, tooling and modern DevOps practices.

Current Security Check (SC) clearance is essential. Candidates must already hold valid SC clearance.

• Develop and maintain Python software for integration into a defence cloud environment.
• Contribute to projects across Data & AI, Automation & Tooling, and DevOps & Infrastructure.
• Support the development of automated tools, workflows and deployment pipelines.
• Work with modern development and code-quality tools to support reliable, maintainable software.
• Collaborate with technical teams to deliver project requirements within a secure environment.

• Strong Python development experience.
• Current, valid SC security clearance.
• Experience with modern DevOps practices, automated tooling and CI/CD pipelines.
• Familiarity with GitHub and automated development workflows.
• Experience using software quality and code analysis tools such as SonarQube.
• Ability to work effectively within a technical team delivering software for a secure environment.

• Experience integrating software with defence cloud environments.
• Familiarity with D2S.
• Experience with Tecton.
• Background in defence, aerospace or other security-sensitive environments.
• Exposure to Data & AI, infrastructure automation or DevOps engineering.

• Rate: £500 per day (Outside IR35)
• Duration: Initial 3-month contract, with the option to extend
• Start: ASAP
• Location: Essex
• Working pattern: Hybrid — 2–3 days per week onsite, with the remainder working remotely

If you are an experienced Python Developer with current SC clearance and can start at short notice, please apply with your latest CV and details of your availability.

Please note: Current SC clearance is mandatory for this role. Applications from candidates without existing SC clearance cannot be considered.