Quant Data Platform Analyst: Data Quality & Catalog Lead

Winton Capital US LLC; Greater London; Hybrid; GBP 60,000 - 85,000; Full time

Job summary

Winton Capital US LLC is seeking a Data Analyst for the Quantitative Platform to own data quality and cataloging as datasets move from onboarding to production. You will ensure datasets meet standards and are easily discoverable, covering vendor data, time series, and complex multi-table products where mapping matters as much as data accuracy.

You will collaborate with Strategy Managers, Data Engineers, and Quant Researchers to maintain data quality, address anomalies, and document limitations

Qualifications

• 3+ years' experience working with financial data vendors and their products.
• Strong grasp of cross-asset class time series data and onboarding datasets.
• Methodical approach to debugging inconsistencies in complex datasets.
• Hands-on analytical experience using Python and clear communication of findings to varied audiences.
• Meticulous attention to detail and bias toward evidence-based conclusions.
• Excellent communication and collaboration skills in a fast-moving, data-centric environment.

Responsibilities

• Defining and executing rigorous acceptance criteria for new and evolving data products, including coverage analysis, staleness, and gap detection.
• Acting as a subject-matter expert on data products, assisting with vendor formats, anomalies, and documentation gaps; tracking issues to resolution.
• Building and maintaining an automated catalogue of datasets with descriptions, owners, refresh cadence, SLAs, source systems, and schemas.
• Systematically probing datasets to ensure high data quality; stress-testing point-in-time, versioning, and revision semantics; addressing corrections and duplicates with vendors.
• Contributing to data quality frameworks, onboarding checklists, and documentation for repeatable quality audits.
• Partnering with Data Engineers, Quant Researchers, and operations on data handoffs, analytics sanity checks, and anomaly triage.

Skills

Python

Data quality

Data analysis

Communication

Teamwork

Tools

SQL

ETL

Job description

Winton Capital US LLC is seeking a Data Analyst for the Quantitative Platform to own data quality and cataloging as datasets move from onboarding to production. You will ensure datasets meet standards and are easily discoverable, covering vendor data, time series, and complex multi-table products where mapping matters as much as data accuracy.

You will collaborate with Strategy Managers, Data Engineers, and Quant Researchers to maintain data quality, address anomalies, and document limitations