Market Data Specialist, Metadata

Jane Street·London·United Kingdom·Operations

Jane Street is hiring a Market Data Specialist, Metadata in London. Posted 2025-02-20; applications close 2026-07-06 (in 29 days).

Role details

About the Position

We are seeking a Market Data Specialist to join our Metadata team, focusing on improving and supporting our internal golden copy Security Master and Corporate Action Management systems. The role involves configuring systems to enhance data quality, assisting with data cleaning and validation, resolving support issues for internal clients, and liaising with data providers.

You will be embedded within the Metadata Systems Engineering team and collaborate with software developers, traders, and operations professionals across the firm.

Responsibilities

  • Investigate data quality and reliability issues
  • Interface with exchanges or data vendors to raise, track, and resolve issues
  • Assist the Metadata team and internal clients in understanding data better
  • Advise on potential solutions, such as modifying monitoring processes
  • Configure internal services and tools, including 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 languages
  • Comfortable working in a Linux/Unix command-line environment
  • Responsible, organized, and detail-oriented
  • Operations, support, and customer-centric experience is a plus
  • Fluency in English required

If you are a recruiting agency interested in partnering with us, please contact agency-partnerships@janestreet.com.

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