Senior Data Engineer – Stealth Start-up – London – Up to £150k

Company: Oliver Bernard
Apply for the Senior Data Engineer – Stealth Start-up – London – Up to £150k
Location: London
Job Description:

Senior Data Engineer | Stealth AI Start-Up | London | Up to £150k

Oliver Bernard are currently partnered with one of the most exciting stealth start-ups in London, building the infrastructure behind the next generation of AI.

They’re looking for a Senior Data Engineer to take real ownership of complex, data-intensive engineering problems, from large-scale ingestion and processing through to data quality, security, provenance and reliable production systems.

This is not a traditional Data Engineering role. You’ll work across Data, Platform, Software and AI, helping build foundational infrastructure from the ground up.

What they’re looking for:

  • Strong software engineering fundamentals
  • Experience with data pipelines, platforms or data-intensive applications
  • Strong system design and cloud experience
  • Comfortable working with large, complex or messy datasets
  • High ownership, initiative and pragmatism
  • AI experience is a bonus, but not essential

Why it’s interesting:

  • Work directly on frontier AI infrastructure
  • Build foundational systems from the ground up
  • Work closely with Software, Platform & AI Engineers
  • Meaningful equity

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If you’re a Data Engineer or Software Engineer who enjoys solving genuinely difficult data problems and wants to work at the cutting edge of AI,

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Posted: October 10th, 2026