Principal Data Quality Engineer - AI-First, API-Driven

Coin Metrics Inc.; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Job summary

Talos in London, with a globally distributed team and hybrid-friendly environment, seeks a Principal Engineer to own data quality across the platform. You will lead the data quality engineering team, run BAU data operations, and manage reference and security master data, along with pipelines and platforms delivering it.

Expect to test product assumptions, challenge them with evidence, and ensure the data returned to clients is consistently correct before they observe any defects.

Responsibilities

• Lead AI-first data quality engineering
• Validate every client-facing endpoint continuously. The focus is our REST and WebSocket APIs. Cloud delivery (S3, Snowflake, Databricks) is also in scope. Assert correctness against independent sources of truth, across every environment and client entitlement.
• Cover streaming as well as request/response. For WebSocket, that means:

Job description

Talos in London, with a globally distributed team and hybrid-friendly environment, seeks a Principal Engineer to own data quality across the platform. You will lead the data quality engineering team, run BAU data operations, and manage reference and security master data, along with pipelines and platforms delivering it.

Expect to test product assumptions, challenge them with evidence, and ensure the data returned to clients is consistently correct before they observe any defects.