We are looking for a Senior Mainframe Developer with deep, hands-on expertise in COBOL, IMS, and DB2 to support and evolve our core mainframe platform. This role has two parts that carry equal weight: staying hands-on with the mainframe systems that run the business today, and building enough fluency in AWS, Go, and Python to identify and help shape realistic opportunities for modernization and transformation. You will be one of the primary people who understands how the current platform actually works, and you will use that understanding to help the organization move it forward.

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Key Responsibilities

Design, develop, maintain, andsupport COBOL applications on IBM mainframe (z/OS), including both batch andonline (CICS/IMS) programs
Work hands-on with IMS (DB/DC)and DB2 for mainframe data access, including IMS segment/database design, DB2schema design, SQL, and performance tuning
Build and maintain deepfunctional and technical knowledge of the existing mainframe platform,including business logic embedded in legacy COBOL and JCL code
Support production mainframesystems:



troubleshoot, debug, and resolve incidents across batch and onlineprocessing
Partner with architecture andplatform teams to identify and assess realistic opportunities for mainframemodernization and transformation toward cloud-native architectures (AWS, Go,Python)
Contribute to modernizationinitiatives such as code and data migration, re-platforming, and API-enablementof legacy mainframe functionality
Build proof-of-concepts andprototypes in Go and/or Python to validate modernization approaches forspecific mainframe components
Document current-statemainframe architecture, data flows, and business rules to supporttransformation roadmaps
Collaborate with architects,data engineers, and DevOps teams on hybrid mainframe-to-cloud integrationpatterns
Follow appropriate changemanagement, testing, and compliance practices given the criticality of thesystems involved
Mentor junior mainframe developers and sh

📌 Senior Mainframe Developer (Hyderabad)
🏢 Simplify AlphaTM
📍 Hyderabad