Balyasny Asset Management L.P.

Lead Data Quality Engineer, Market Data

Company
Location
London Area, United Kingdom
Posted At
8/15/2025
Description

Overview

As Lead Data Quality Engineer, you will be responsible for both hands-on data quality engineering and leading a small team of data quality engineers. Your primary focus will be to ensure the highest quality of market data from both historical and real-time feeds. You will drive the development and maintenance of robust, asset-specific data quality processes that are critical to the firm’s trading and risk management operations. This is a business-critical role where clean, reliable data is a top priority and directly impacts the firm’s performance.


Key Responsibilities

  • Lead and mentor a team of data quality engineers, providing technical guidance and prioritizing team deliverables.
  • Monitor, validate, and improve the quality of L1, L2, and L3 market data feeds for equities and futures from vendors and exchanges.
  • Develop and maintain automated, asset-class-specific data quality checks, including equities, futures, fixed income, FX, and more.
  • Ensure both historical and real-time data are aligned, accurate, and fit for business-critical use.
  • Proactively monitor data pipelines and set up ongoing alerting for anomalies or data issues.
  • Investigate and resolve data quality issues, collaborating with engineering, vendor, and business teams.
  • Analyze data flow and transformation logic to identify and address potential quality gaps.
  • Document data quality metrics, issues, and resolutions.
  • Contribute to the design and implementation of robust data quality frameworks and tools.


Requirements

  • 5+ years of experience in data engineering, data quality, or a related field.
  • Prior experience leading or mentoring technical teams.
  • Proven experience working with L1/L2/L3 market data feeds for equities and futures from Refinitiv, Bloomberg, and direct exchange.
  • Demonstrated expertise in running data quality checks and anomaly detection for both equities and futures, including real-time and historical data.
  • Strong proficiency in Python for data analysis, validation, and automation.
  • Solid engineering background with experience in data pipelines, ETL, or related systems.
  • Deep understanding of market data structure, symbology, and common quality issues for both equities and futures.
  • Excellent analytical and problem-solving skills.
  • Strong communication skills and ability to work cross-functionally.


Preferred Qualifications

  • Experience with cloud-based data platforms and distributed systems.
  • Familiarity with real-time data processing frameworks.
  • Prior experience in a financial services or trading environment.
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Lead Data Quality Engineer, Market Data | Balyasny Asset Management L.P. | Hunt UK Visa Sponsors