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Data Engineer

Harnham - Data & Analytics Recruitment

London · Posted 9 Oct 2026 · 19 applicants

£90,000 per annum
Permanent
Apply now
DATA ENGINEER

£90,000

LONDON

This is an exciting opportunity to join a YC-backed Healthcare AI startup at an early stage of growth. You'll take ownership of critical data infrastructure, work directly on AI-powered products, and have the opportunity to make a significant impact on both the platform and the wider business from day one.

THE COMPANY

Our client is a fast-growing Healthcare AI startup building commercial intelligence products for pharmaceutical, biotech and medtech organisations. Their platform helps customers make better commercial decisions using large-scale healthcare datasets, analytics and AI. Following strong early traction, they're looking to expand their engineering team with a high-impact Data Engineer.

THE ROLE
  • Build and maintain scalable ETL/ELT pipelines using Python and SQL
  • Develop data ingestion and acquisition processes for large, complex datasets
  • Leverage LLMs and AI APIs for extraction, classification and data validation
  • Design schemas and implement data modelling, deduplication and entity resolution processes
  • Work across Data Engineering, AI, product and data acquisition initiatives
  • Build APIs and data products that power customer-facing applications
  • Take ownership of projects from initial concept through to production deployment
YOUR SKILLS AND EXPERIENCE
  • Strong Python and SQL experience
  • Proven track record building and maintaining production data pipelines
  • Experience taking ownership of end-to-end engineering projects
  • Comfortable working autonomously within a fast-paced startup environment
  • Strong problem-solving skills and technical foundations
  • Experience with LLMs, AI APIs or prompt engineering would be advantageous
  • Data scraping, large-scale data acquisition or healthcare data experience would be beneficial
  • Experience with Databricks, MongoDB or product engineering is desirable
SALARY AND BENEFITS
  • £70,000 - £90,000 base salary
  • Equity package
  • Opportunity to join a YC-backed startup at an early stage
  • Significant ownership and autonomy
  • Work directly on AI-powered products
  • Sponsorship available for exceptional candidates
HOW TO APPLY

Please register your interest by sending your CV to Harry Lack through the 'Apply' link.

Apply now