Software Engineer Mainframe Developer

MANOJ YADLA

Mainframe Developer

Andhra pradesh, India *************@*****.*** +91-

628******* https://www.linkedin.com/in/manoj-kumar-yadla-6635a8211 SUMMARY

Results-driven Software Engineer with 3 years 9 months of experience Banking in Mainframe Development. Proficient in COBOL, JCL, VSAM, CICS, DB2, and SQL, Banking with a strong focus on legacy system modernization, debugging, and mainframe QA practices. Experienced in Agile environments and adept at troubleshooting complex production issues. Proven track record of collaborating effectively with cross-functional teams and delivering measurable system improvements. Seeking a challenging role to apply and expand technical expertise in Mainframe applications.

TECHNICAL SKILLS

Programming & Development: COBOL, JCL, VSAM, Banking Database Management: DB2 (SQL, SPUFI)

Transaction Processing: CICS

Version Control & Deployment: Endeavor, Changeman, TSO SCS Testing & Debugging Tools: File Manager, Control-M/CA7, JIRA, Postman, Telnet43, ServiceNow, Debug Tool,sync sort utilities, SELCOPY,EZYTRIEVE, File-Aid, Xpeditor Operating Systems: z/OS, Windows 11

Software Development Methodologies: Agile, SDLC

EXPERIENCE

Mainframe Developer

HCL Technologies – Chennai, India

Dec 2021 – Present

Project: HLS & EDB COBOL Upgrade – CBA (2022 - 2024) Banking Objective: Migrated COBOL applications to v6.3 on z/OS 2.4 to enhance performance and align with IBM standards.

Responsibilities:

● Upgraded COBOL programs from v4.2 to v6.3 ensuring compatibility and performance.

● Developed, tested, and optimized programs using SPUFI and File Manager.

● Designed and executed functional and regression test cases.

● Debugged runtime failures and optimized application performance.

● Documented test results and issues in Confluence.

● Conducted both batch and online testing for stability.

● Reported daily execution status to project stakeholders.

● Conducted knowledge sharing sessions to boost team productivity and documented process for future reference

Project: VSAM to DB2 Migration – Truist (2024 - 2025) Banking Objective: Replaced legacy VSAM files with DB2 to enhance transaction processing. Responsibilities:

● Designed DB2 table structures to mirror VSAM datasets.

● Refactored COBOL programs to interface with DB2 instead of VSAM.

● Performed unit and integration testing using Debug Tool.

● Reduced weekly sync downtime by 30–45 minutes.

● Participated in design reviews and ensured production readiness. Project: VANTAGE – Corebridge Financial (2025 - Present) Objective: VANTAGE is a policy administration platform for Annuity and Retirement products.

Responsibilities:

● Analyzed and debugged COBOL programs and CICS transactions.

● Investigated production incidents using JIRA and ServiceNow.

● Optimized JCL to minimize batch failures and runtime.

● Handled job restarts, reruns, and manual triggers as required.

● Coordinated with offshore/onshore teams for resolution of critical issues.

● Conducted code impact analysis, reviewed JCL, COBOL programs, control cards, and copybooks.

EDUCATION

B.Tech in Electronics & Communication Engineering (2017 – 2021) Andhra Engineering College, Atmakur (Nellore, A.P.) – 75% LANGUAGES

English: Read, Write, Speak

Telugu: Read, Write, Speak

CERTIFICATIONS

● HCL Certified Training – Entry-Level IT Job Preparation

● Mainframe COBOL Training Certificate – Udemy (2024) ACHIEVEMENTS & RECOGNITIONS

● Received client appreciation for successful project delivery.

● Recognized by managers for proactive engagement and technical expertise.

● Promoted to Software Engineer for outstanding performance. SOFT SKILLS

● Analytical & Problem-Solving Abilities

● Strong Communication & Collaboration Skills

● Ability to Work Independently & in a Team

● Detail-Oriented & Multi-Tasking Capabilities

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