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Market Data Specialist, Metadata

Jane Street· Technology
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Hybrid (London)full-timePosted 3mo ago

About the role

Market Data Specialist to join the Metadata team, focusing on improving and supporting internal gold copy Security Master and Corporate Action Management systems, data quality, cleaning and validation, and interfacing with data providers. Embedded in the Metadata Systems Engineering team, collaborating with software developers, traders, and operations.

Responsibilities

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

Qualifications

  • 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

Skills

Required:Debugging and troubleshootingCommunicationProgrammingSQL or database language(s)Linux/Unix
Nice to have:Financial instrument metadata / reference data
Last updated Oct 25, 2026. Interested? Apply on the company site.

About Jane Street

SIX

Jane Street is a quantitative trading firm and liquidity provider with a unique focus on technology and collaborative problem solving.

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