Job Description
Role: Lead Python Developer
Rate: £550/day - Outside IR35
Location: Cheltenham
Duration: Initial 6-12 months
Clearance Required: DV
We're looking for an experienced Lead Python Developer to join a high-impact programme within the UK Defence and National Security sector. This is a unique opportunity to play a key role in delivering secure, mission-critical software systems that directly support national safety and strategic defence operations.
As a technical leader, you'll drive the design and development of advanced Python-based systems-often in highly secure environments. You'll guide cross-functional teams, ensure engineering excellence, and oversee the full software lifecycle, from concept and prototyping to secure deployment and ongoing support.
Key Responsibilities:
* Leading the design and development of Python-based software systems in a high-security setting
* Working closely with data scientists, analysts, and engineering teams to deliver scalable, reliable solutions
* Architecting secure applications and services in line with defence-grade standards
* Mentoring developers and enforcing best practices across code, testing, and deployment
* Integrating machine learning models and real-time data pipelines where applicable
* Collaborating with stakeholders to gather requirements and showcase technical progress
Essen...