Next event Is the Developer dead? on 17/06/2026 Book now

Lead Python Software Engineer

Just added

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 now

Matt Challis

Software Engineering Managing Consultant, London

Apply for this position

Uploaded:

Uploaded files must be one of the following types
(and less than 15MB): .doc .docx .pdf .ppt .txt

Uploaded:

Uploaded files must be one of the following types
(and less than 15MB): .doc .docx .pdf .ppt .txt

Application submitted

Want to apply faster?

Create an account with Xpertise to upload your CV, covering letter and personal details and apply faster for each role.

Login / register

Looking for related roles?

Just added

Software Developer

  • 15/06/26
  • Bangor, Wales
  • £35k per year
  • Hybrid
  • Software Engineering
  • Full time
Read more
Just added

Lead Python Software Engineer

  • 15/06/26
  • London, London
  • £600 - 700 per day
  • Hybrid
  • Software Engineering
  • Full time
Read more
Just added

Software Developer

  • 02/06/26
  • Durham, North East
  • £45k - 50k per year
  • Hybrid
  • Software Engineering
  • Full time
Read more
Just added

Siebel Developer

  • 02/06/26
  • Manchester City Centre, North West
  • £450 - 500 per day
  • Remote
  • Software Engineering
  • Full time
Read more

Senior Software Developer

  • 26/05/26
  • Nottingham, East Midlands
  • £40k - 45k per year + DDAT Allowance
  • Hybrid
  • Software Engineering
  • Full time
Read more

Python Developer

  • 21/05/26
  • Leeds, North East
  • £400 - 500 per day
  • Hybrid
  • Software Engineering
  • Full time
Read more

Java Developer

  • 20/05/26
  • Nottingham, East Midlands
  • £60k - 70k per year
  • Remote
  • Software Engineering
  • Full time
Read more

Senior Electronics Engineer

  • 15/05/26
  • Bristol, South West
  • £60k - 70k per year
  • Hybrid
  • Software Engineering
  • Full time
Read more

Technical Lead

  • 12/05/26
  • Hillingdon, London
  • £750 - 800 per day
  • Hybrid
  • Software Engineering
  • Full time
Read more

d365 Developer - CE

  • 01/05/26
  • Birmingham, West Midlands
  • £55k - 60k per year
  • Remote
  • Software Engineering
  • Full time
Read more

Get job alerts

0 miles

Alert created

Are you in the US?

It looks like you're browsing from the US. We have a dedicated website for your region. Would you like to visit our US site for events and opportunities in your area?

Switch to the US site