Market Data Specialist, Metadata
Janestreet Is this your company? Claim it · London · Full-time
Description
<h3>About the Position</h3> <p><span style="font-weight: 400;">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.</span></p> <p><span style="font-weight: 400;">You’ll be embedded into the Metadata Systems Engineering team and will work with software developers, traders, and operations professionals across the firm.</span></p> <p><span style="font-weight: 400;">Responsibilities include:</span></p> <ul> <li><span style="font-weight: 400;">Investigating data quality and reliability issues<br></span></li> <li><span style="font-weight: 400;">Interfacing with exchanges or data vendors, raising, tracking, and resolving issues<br></span></li> <li><span style="font-weight: 400;">Helping us (the Metadata team and internal clients) understand our data better<br></span></li> <li><span style="font-weight: 400;">Potentially advising on solutions, e.g., changing…
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Where is this Market Data Specialist, Metadata job located?
The listing places this job in London.
Who is hiring?
The employer shown on the listing is Janestreet.
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The listing type is Full-time.
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It was posted on 11 November 2026. Jobs that stay open too long are closed automatically, so apply soon if you are interested.
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