Senior Mainframe Developer - COBOL

Work on real production codebases with global AI labs. LearnTube.ai, backed by Google. Remote, open to full-time or project-based.

About the Role :

Key Responsibilities :

- Build, review, and enhance production COBOL code for AIfocused projects.

- Develop, maintain, and troubleshoot batch jobs, online transaction programs, and data handling routines on z/OS mainframe platforms.

- Participate in code reviews, clearly articulating design decisions and problemsolving approaches.

- Collaborate with crossfunctional teams to ensure highquality delivery and continuous improvement of mainframe services.

Required Skills and Experience :

- Minimum 3 years of handson COBOL development on mainframe environments.

- Proficiency with JCL, DB2, CICS, and VSAM on z/OS.

- Demonstrated experience working on largescale banking, insurance, or government systems.

- Strong analytical abilities and clear communication skills for code reviews and documentation.

Nice to have :

- IMS

- REXX, mainframe modernisation or migration projects.