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On-Site Mainframe Applications Developer | Data & Modernization
Job in
New York, New York County, New York, 10261, USA
Listed on 2026-07-14
Listing for:
Greycell Labs Inc
Full Time
position Listed on 2026-07-14
Job specializations:
-
Software Development
Database Engineering, Computer Software / Middleware, SQL Developer, M365, SharePoint & Power Platform
Job Description & How to Apply Below
The Metropolitan Transportation Authority (MTA) seeks an on-site Application Developer for Mainframe Systems to maintain and evolve enterprise legacy applications at the 2 Broadway office in New York. The role emphasizes stability, performance, and data integrity for mission-critical systems.
You will design new features, support batch jobs and data interfaces, and contribute to modernization and data migration initiatives while documenting processes and transferring knowledge to IT teams and
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