Lead Python Software Engineer
Key points
- 15/06/26
- London, London
- £600 - 700 per day
- Contract
- Software Engineering
- Full time
Job role
Lead Python Software Engineer – SC Cleared (12 Month Contract) – £700/day (Inside IR35)
Location: London or Leatherhead (3 days onsite per week)
Rate: Up to £700 per day (PAYE / Inside IR35)
Duration: 12 Month Contract
Start: ASAP
SC Cleared Python Engineer – Immediate Requirement
We are recruiting a Lead Python Software Engineer (SC Cleared) to join a high-profile national security programme.
Active SC clearance is mandatory – candidates without current, transferable SC clearance cannot be considered.
This is an exciting opportunity to work on cutting-edge, mission-critical systems in a highly secure and innovative environment.
MANDATORY SECURITY REQUIREMENTS (NON-NEGOTIABLE)
- Active SC Clearance (must be transferable)
- Must be a sole British national (no dual nationality)
- Recent experience within a government / defence / secure environment
- Clearance must be valid with 12+ months remaining
The Role: Lead Python Engineer (SC Cleared)
You will play a key role in leading delivery across complex engineering challenges, including:
- Leading and mentoring high-performing development teams
- Designing and building scalable data processing pipelines
- Driving quality through unit, integration and end-to-end testing
- Contributing to architecture, design and technical documentation
- Working across cloud, DevOps and secure environments
- Solving complex technical problems in a bespoke, high-impact setting
Key Skills & Experience
- 7+ years experience with Python (OOP + functional programming)
- Proven experience leading software engineering teams
- Strong background in data pipelines / data engineering
- Experience delivering high-quality, test-driven software
- Knowledge of cloud platforms and DevOps practices
- Strong communication and stakeholder management skills
Desirable Skills
- AWS / Cloud experience
- Containerisation (Docker, Kubernetes, OpenShift)
- Elastic / Kibana
- Security protocols (PKI, TLS)
Why Apply?
- Work on national security and mission-critical systems
- Exposure to cutting-edge technology and innovation
- Strong culture of ownership, collaboration and continuous learning
- Long-term 12-month contract with extension potential
- Hybrid model with 3 days onsite in London or Leatherhead
Apply Now
If you are a Lead Python Engineer with ACTIVE SC clearance, we want to hear from you.
Please note: Applications will only be considered if you meet the strict clearance and nationality requirements.
Apply for this position
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