Senior/Lead Software Engineer (Python, Django) – Cardiff, UK

Company: Randstad Technologies
Apply for the Senior/Lead Software Engineer (Python, Django) – Cardiff, UK
Location: Cardiff
Job Description:

Role: Senior/Lead Software Engineer (Python, Django)Type: 12 Months ContractLocation: London/Manchester/Birmingham/Cardiff/North East, UKWorking Model: Hybrid (2 days per week in Office)

Payrate: £600 – £750 per Day on Inside IR35 via Umbrella

What You’ll Do:

  • Lead end-to-end system design and delivery using Python and Django.
  • Write secure, test-driven code and maintain live service performance.
  • Work in an Agile, multidisciplinary team aligned with Government Digital Service (GDS) standards.

What We Need:

  • 5+ years experience (ideally 8-10 years).
  • Deep technical expertise in Python & Django.
  • Proven system design and architecture capabilities.
  • Strong communication and collaborative problem-solving skills.

Bonus:

Previous experience with GDS standards, the public sector (eg, MOD, HMRC), or secure defence environments.

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Posted: July 7th, 2026