Jane Street

Jane Street

Posted via Greenhouse

Market Data Specialist, Metadata

Posted Sep 3, 2026

Role at a glance

Salary
Not Disclosed
Location
London, England, United Kingdom
Work arrangement
On-site
Employment
Full-time

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About the role

Original posting provided by Jane Street

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About the Position

We’re looking for a Market Data Specialist to join our Metadata team, working on improving and supporting our internal golden copy Security Master and Corporate Action Management systems. You’ll be responsible for configuring our systems to improve data quality, helping with data cleaning and validation, solving support issues for internal clients, and interfacing with our data providers.

You’ll be embedded into the Metadata Systems Engineering team and will work with software developers, traders, and operations professionals across the firm.

Responsibilities include:

  • Investigating data quality and reliability issues
  • Interfacing with exchanges or data vendors, raising, tracking, and resolving issues
  • Helping us (the Metadata team and internal clients) understand our data better
  • Potentially advising on solutions, e.g., changing monitoring
  • Configuring internal services/tools and adding overrides

About You

  • Strong debugging and troubleshooting skills
  • Excellent written and interpersonal communication skills
  • Experience with financial instrument metadata, especially reference data preferred
  • Programming experience in any language and knowledge of SQL or other database language(s)
  • Confident in a Linux/Unix command-line-driven environment
  • Responsible, organised, and great attention to detail
  • Operations, support, and customer-centric experience a plus
  • Fluency in English required

 

If you're a recruiting agency and want to partner with us, please reach out to [email protected].

Jane Street

About the company

Jane Street

Large Enterprise

Jane Street is a global trading firm that specializes in quantitative and algorithmic trading across various asset classes, including equities, options, and fixed income. Founded in 2000, the company leverages advanced technology and data analytics to drive its trading strategies while maintaining a strong commitment to risk management and collaboration. Known for its dynamic and intellectually stimulating work environment, Jane Street also places a high value on continuous learning and professional development, making it an attractive workplace for individuals interested in finance, mathematics, and computer science.