Market Data Specialist, Metadata
- Level
- Mid
Not stated in the posting: salary, work type, visa.
Open. First seen 3 October 2026.
About the role
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
Jane Street's standard text
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What this role asks for
Particular to this role
SQL · Unix
Rare in Jane Street's other 142 open postings.
92% of this description is written for the role. The rest is Jane Street's standard text, folded away below.
Read against Jane Street's other open postings on this site.
The team: Software Engineering
This role is one of 47 open in Software Engineering.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (22 of 47), Machine Learning (8 of 47), FPGA (6 of 47), SQL (6 of 47), C++ (5 of 47), Haskell (4 of 47), Jira (4 of 47)
OTHER ROLES ON THIS TEAM
- Software Engineer posted Sep 1
- Software Engineer posted Sep 1
- Software Engineer posted Aug 7
- Data Strategist posted Aug 7
- Hardware Engineer (FPGA/ASIC) posted Aug 3
- Hardware Engineer (FPGA/ASIC) posted Aug 3
- Software Engineer posted Aug 3
- Hardware Engineer (FPGA/ASIC) posted Jul 24
- Software Engineer posted Jul 21
- Data Engineer posted Jul 14
- Hardware Engineer (FPGA/ASIC) posted Jul 10
- Software Engineer posted Jul 9
- Software Engineer posted Jul 6
- Software Engineer posted Jul 6
- Compiler Engineer posted Jun 26
- Compiler Engineer posted Jun 17
- Formal Methods Engineer posted Jun 11
- Formal Methods Engineer posted Jun 11
- ASIC Physical Design Engineer posted Apr 30
- ASIC Physical Design Engineer posted Apr 17
- Technical Product Manager posted Jan 30
- ASIC Engineer posted Oct 29
- ASIC Engineer posted Oct 29
- FIX Onboarding and Connectivity Engineer posted Sep 12
- FIX Onboarding and Connectivity Engineer posted Sep 12
- Programming Language Engineer posted Oct 25
- Data Engineer posted Oct 4
- Software Engineer / Writer posted Sep 5
- Data Engineer posted Feb 15
- Technical Product Manager posted Jan 16
- Data Engineer posted Jan 9
- Technical Programme Manager posted Oct 28
- Low-Latency Engineer posted Jul 6
- Front End Software Engineer posted Jun 27
- Front End Software Engineer posted Jun 24
- Data Specialist posted May 3
- Production Engineer posted Jan 10
- Production Engineer posted Jan 10
- Software Engineer posted Dec 29
- Production Engineer posted Apr 1
- Production Engineer posted Mar 28
- Technical Program Manager posted Dec 11
- Software Engineer posted Jun 8
- Software Engineer posted May 6
- Software Engineer posted May 2
- Programming Language Engineer posted May 2
From the team and dates on Jane Street's own job board.
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