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Lead Python Software Engineer

Xpertise
2 hours ago
Contract
London
United Kingdom
£600 - £700 GBP daily
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 12months + 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.