Market Data Specialist, Metadata

Jane Street • English: C1 • Hedge Funds & Alternative Investments • SQL • 20 days ago

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Salary

≈ $70k – $160k per year (Estimated)

Location

In office (London)

Visa

Licensed UK visa sponsor

Confirmed on the employer's own hiring board on Oct 18, 2026. First seen by Alion on Feb 13, 2024. Jane Street scores B on the Alion truth index.

Overview

Company

Impact

Profile match

Jane Street

Jane Street (Jane Street Capital) is a quantitative trading firm and liquidity provider specializing in automated market making, algorithmic execution, and high-frequency trading. Headquartered in New York, New York, the firm operates major regional hubs in London, Hong Kong, Singapore, and Amsterdam. Its core activities involve deploying proprietary quantitative research, machine learning models, and low-latency infrastructure to facilitate continuous trading across exchange-traded funds (ETFs), equities, options, fixed income, futures, and derivative products across more than 200 trading venues globally.

janestreet.com • HQ: New York, United States • Hedge Funds & Alternative Investments • 1001-5000 employees • Est. 2000

Tech stack of Jane Street

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].

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