Principal Engineer, Data Quality Platform

The role

You will lead the data quality engineering team and own data correctness across the company. You will manage reference and security master data, run data operations, and build platforms to validate client-facing APIs and streaming data.

What you will do

• Lead AI-first data quality engineering
• Validate client-facing REST and WebSocket APIs
• Test streaming consistency, sequencing, and gap detection
• Apply LLM and agentic tooling to generate checks
• Design load, performance and failure-mode tests
• Drive faults to resolution and add preventative checks
• Measure and publish endpoint and field coverage
• Build and maintain a data asset and API catalog
• Own data governance tooling such as OpenMetadata
• Lead the build-out and daily operation of the security master platform

Required qualifications

• Track record of leading data QA or data quality teams
• Deep understanding of streaming and API behaviour including throughput, WebSocket semantics, ordering, recovery and failure modes
• Experience inventorying and testing a large API and data surface end to end
• Hands-on experience with data governance: cataloging, lineage, ownership
• Experience with performance and load testing of distributed systems
• Strong engineering background in designing platforms and shared infrastructure
• Practical experience applying LLM and agentic tooling to engineering problems
• Experience with Flink, Doris, Dagster and Spark, or comparable tools

Nice to have

• Experience on market data or other high-throughput, real-time data

Benefits

• Retirement plan contributions
• Unlimited Vacation + a PTO bonus of $2000 USD for taking 15 days of vacation, with 5 days being consecutive
• Yearly discretionary cash bonus
• Employee stock options plan
• Medical, dental, and vision insurance
• Paid parental leave for 20 weeks, after 1 year of service
• Global offsites and team outings
• A one-time stipend towards at-home office set-up
• A wellness credit of $50 accrued monthly
• A lunch credit of $25 USD towards lunches for days in-office
• Donation matching up to $100 USD annually
• Catered lunches on Tuesdays, snacks, and drinks

About the company

Talos provides institutional-grade trading technology for the global digital asset market. The company is a globally distributed team with hubs in New York, London, Singapore, and Cyprus.