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Market Data Specialist, Metadata

London, England, United Kingdom

Pay
Salary not listed in the saved posting
Work setup
Unconfirmed
Employment
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What you’ll bring

All qualifications

Preferred experience

  • Experience with financial instrument metadata, especially reference data preferred
Qualification wording
Experience with financial instrument metadata, especially reference data preferred

Tools in this posting

  • SQL
Source — Tool mentions in context
- 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

Job description

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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 agency-partnerships@janestreet.com.

Your next step

  • Have your CV and examples of relevant work ready.
  • Check the listed location, eligibility and core experience before starting.
  • Ask the employer about the salary range before committing time to the process.

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Source & posting history

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Pay

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Location & working pattern

London, England, United Kingdom

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Status in our records
Active
First seen by us
Apr 14, 2026
Recorded sightings
183
Last seen by us
Oct 7, 2026

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