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Experienced Mainframe Software Development Engineer

USA-IL Lisle Warrenville Road💼 Full-time💰 $108,000–$172,800🗓 2026-06-03 → 2026-07-31

Core

Designing, developing, testing, and maintaining software solutions and patches on the mainframe platform.

Role type

Senior Mainframe Software Development Engineer

Builds

Mainframe-based products and software enhancements

Domain

Mainframe computing, legacy systems, financial/enterprise infrastructure

Deliverable

production ML models | product features

Required skills

IBM Assembler, z/OS, DB2, SQL, relational database internals, source control, test automation, DevOps, CI/CD tools

Preferred skills

Agile methodologies, peer leadership, schema design, query optimization, scripting

Technologies

IBM Assembler, z/OS, DB2, SQL, source control systems, CI/CD tools

Responsibilities

Develop high-quality software design and architecture; produce, test, and debug software solutions; provide peer leadership in an Agile team; interact with product management and customers; automate tasks via scripting; perform validation and verification testing.

Seniority

Senior, hands-on IC

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