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Senior Mainframe Developer

Luxoft logoLuxoft

Job Description

Project description

We have an ambitious goal to migrate a legacy system written in HLASM (High-Level Assembler) from the mainframe to a cloud-based Java environment for one of the largest banks in the USA.

Responsibilities

  • We are looking for an experienced Mainframe Developer who can support the migration of the client platform:

  • Analyze, understand, and enhance existing mainframe codebase (COBOL, JCL, CICS, DB2, IMS).

  • Extract and transform business logic from mainframe systems for migration to modern architecture.

  • Troubleshoot, debug, and resolve issues within mainframe applications during migration.

  • Collaborate with Java and client teams to ensure smooth transition and accurate functionality replication.

  • Provide knowledge transfer and documentation of mainframe components and processes.

  • Mandatory work from the office 5 days per week.

Skills

Must have

  • Proficiency in COBOL development and JCL (5+ years).

  • Strong debugging, performance tuning, and problem-solving skills.

  • Experience with CICS transactions and DB2 database programming.

  • Solid understanding of mainframe batch and online processing.

  • Experience working in distributed, global teams with US customers.

  • Excellent communication skills for collaboration with client teams.

Nice to have

  • Experience with IMS, VSAM, or HLASM.

  • Familiarity with large-scale system migrations and modernization projects.

  • Understanding of integration between mainframe and cloud-based systems.

  • Prior experience in banking or financial services industry.

  • Knowledge of automation tools for mainframe testing and deployment.

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