Rutu Jain

Software Engineer | Banking & Retail Domain

Talent

PuneMember since July 1, 2026

COBOLJCLCICSDB2VSAMPL/IREXXHigh-Volume Batch ProcessingCore Retail SystemsData Migration & ValidationControl-MFile-AIDAbend-AIDIBM IDzData StudioNiFiAgileSDLCWaterfallJIRAAzure DevOpsChange Management (CRQ)Root Cause Analysis (RCA)Impact AnalysisPerformance TuningBatch & Online ProcessingAnalytical ThinkingDecision MakingEffective Client & Stakeholder CommunicationChange & Transformation

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COBOLJCLCICSDB2VSAM

About

Result-oriented Senior Mainframe Developer with 8+ years of experience across complex Banking and Retail domains. Specialized in designing, developing, and optimizing high-volume transaction processing systems utilizing COBOL, JCL, DB2, VSAM, and CICS. Proven track record in executing legacy modernizations, complex database migrations, and delivering zero-rollback software releases in strict SLA-driven environments.

Expert at identifying root causes for critical production abends and implementing robust validation frameworks to mitigate enterprise risk.

Experience

Software Engineer - Cognizant - Pune

(2022-07)

Developed and delivered application enhancements in COBOL, JCL, and DB2 based on thorough impact analysis, ensuring zero-rollback production releases.
Significantly improved batch window performance and reduced CPU utilization through strategic DB2 query tuning and JCL SORT optimizations.
Engineered robust file validation frameworks to catch data anomalies early and prevent downstream system failures across sequential processing streams.
Led L3 production support and root cause analysis (RCA) for critical production incidents, resolving complex S0C7 packed decimal corruptions in files under tight SLA timelines.
Spearheaded high-volume data migration initiatives to SAP systems using Apache NiFi pipelines, ensuring absolute data integrity with zero data loss.

Mainframe Developer - Maxima IT Consulting Pvt. Ltd. - Pune

(2018-02 - 2022-06)

Designed and maintained core backend applications supporting high-volume commercial transactional data within the retail banking space.
Executed complex database migration projects, transitioning legacy DATACOM systems to modern relational DB2 and PL/I infrastructures with zero business disruption.
Analyzed and resolved critical date-cycle and business-date logical defects to ensure precision in downstream financial reporting schedules.
Enhanced and optimized batch restart/recovery logic for heavy execution cycles, ensuring system stability and minimizing recovery time objectives.