Lead Python Developer - Outside £550p/d - DV Cleared

JR United Kingdom; Luton; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading company in the UK Defence and National Security sector seeks a Lead Python Developer. This crucial role involves driving the design of secure software systems for national safety applications. Candidates must possess strong Python skills, DV Clearance, and experience in regulated environments. Engage with technical teams and mentor developers to deliver cutting-edge solutions.

Qualifications

• Strong experience in Python development required.
• Active DV Clearance needed.
• Experience in secure regulated environments (Defence, Government).

Responsibilities

• Lead design and development of Python-based secure software.
• Mentor developers and enforce best practices.
• Integrate machine learning models where applicable.

Skills

Leadership

Python

CI/CD

Containerisation

Agile

Job description

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Lead Python Developer - Outside £550p/d - DV Cleared, luton, bedfordshire

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Client:

iO Associates - UK/EU

Location:

luton, bedfordshire, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

06.06.2025

Expiry Date:

21.07.2025

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Job Description:

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
• 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're interested in the role, feel free to contact me, James Chapman on 07903 438136. I'd be more than happy to have a confidential chat and share more details.