Data Platform Engineer — Build from 0 to 1 for AI Health Tech

Harnham; Greater London; On-site; GBP 65,000 - 95,000; Full time

Benefits offered by this job

Ownership and autonomy

Impact on product direction

YC-backed startup

Job summary

Harnham is partnering with a YC-backed healthcare AI startup to scale its core data platform. You will build data ingestion and ETL/ELT pipelines, shape architecture, and own delivery from raw data to production-ready products. Expect a fast-moving environment with close collaboration to product and leadership teams.

The role emphasizes turning data into customer-facing data products, leveraging AI tooling and modern cloud data platforms to drive business value.

Qualifications

• Strong Python and SQL skills with ability to build end-to-end data solutions.
• Proven ownership of engineering projects from concept to production.
• Experience delivering products, platforms, or major capabilities from 0–1.

Responsibilities

• Build scalable ETL/ELT pipelines using Python and SQL.
• Design and develop data ingestion frameworks for scalable platforms.
• Work with large, messy datasets and ensure data quality.
• Apply AI/LLM techniques for extraction, classification, and enrichment.
• Deliver data products that directly support customers.
• Collaborate with engineering, product, and leadership teams.
• Take projects from concept through production deployment.

Skills

Python

SQL

End-to-end ownership

Independent work

Problem solving

Tools

Snowflake

Databricks

Cloud data platforms

Job description

Harnham is partnering with a YC-backed healthcare AI startup to scale its core data platform. You will build data ingestion and ETL/ELT pipelines, shape architecture, and own delivery from raw data to production-ready products. Expect a fast-moving environment with close collaboration to product and leadership teams.

The role emphasizes turning data into customer-facing data products, leveraging AI tooling and modern cloud data platforms to drive business value.