Lead Python Developer - £90,000 - DV Cleared

Babcock; Cheltenham; On-site; GBP 80,000 - 90,000; Full time

Job summary

A leading company seeks a Lead Python Developer for a critical programme within the UK Defence sector. This role encompasses technical leadership, oversight of software lifecycle, and the integration of machine learning in secure environments. Ideal candidates will possess experience in regulated industries, active DV clearance, and a strong foundation in Python development.

Qualifications

• Proven expertise in Python development in production environments.
• Experience in secure or regulated industries like Defence or Aerospace.
• Active DV Clearance.

Responsibilities

• Leading the design and development of Python-based software systems in a high-security setting.
• Mentoring developers and enforcing best practices across code, testing, and deployment.
• Collaborating with stakeholders to gather requirements and showcase progress.

Skills

Python development

CI/CD

Containerisation

Agile/Scrum

Tools

Docker

Kubernetes

Job description

Role: Lead Python Developer
Location: Cheltenham or London
Salary: £80,000 - £90,000
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 guiding 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

Essential Skills & Experience:

• Proven expertise in Python development in production environments
• Experience in secure or regulated industries (Defence, Government, Aerospace, etc.)
• Solid grasp of CI/CD, containerisation (Docker/Kubernetes), and cloud or on-premise deployments
• Ability to lead technical discussions, reviews, and deliverables across cross-functional teams
• Familiarity with Agile/Scrum delivery
• Active DV Clearance

If you are interested in the above position, please contact me, James Chapman on 07903 438136 or drop me an email at