Software Development Mainframe Developer

Akash Kumar

Kolkata, India **********@*****.*** +91-896******* LinkedIn: https://www.linkedin.com/in/akash-kumar-26493715a

SUMMARY

Mainframe developer with over 4.1 years of experience in software development, testing, and support across insurance and business domains. Specialized in designing and maintaining COBOL, JCL, and DB2-based enterprise solutions. Proven ability to troubleshoot and optimize batch processes, automate workflows, and deliver high-quality results under Agile and Waterfall environments. Passionate about continuous learning and adopting emerging technologies to drive innovation and performance.

PROFESSIONAL EXPERIENCE

Cognizant Technology Solutions, Kolkata

Client: CHUBB Insurance

Programmer Analyst — Jul 2021 – Present

Developed 30+ COBOL programs and JCL scripts to enhance policy processing, increasing efficiency by 20%.

Reduced batch job failures by 30% through root cause analysis and proactive issue resolution.

Built a reusable COBOL utility to convert 30+ files to COMP-3 format, reducing manual intervention and change effort by 30%.

Delivered 10+ mainframe modules across SDLC phases with 99% success rate and on-time delivery.

Implemented change, incident, and problem management strategies that minimized downtime by 30% and improved resolution time by 25%.

Designed and executed 50+ JCL test scripts to validate end-to-end batch processing for critical insurance applications.

Resolved 95% of production issues independently, ensuring high system availability and stability.

Documented 5+ project phases thoroughly, enhancing knowledge transfer and onboarding processes.

Collaborated with QA teams to triage and close 50+ defects, contributing to a 30% improvement in release quality.

EDUCATION

Master of Computer Applications (Online Mode)

Chandigarh University Jan 2022 – Jan 2024 CGPA: 8.4/10

Bachelor of Computer Applications

Patna College, Patna University Jul 2017 – Apr 2020 76%

Higher Secondary (PCM)

Bihar School Examination Board Mar 2015 – Apr 2017 59%

SKILLS

Programming & Mainframe: COBOL, JCL, VSAM, DB2, IMS DB, CICS, IBM Z/OS

Tools & Utilities: TSO/ISPF, FILEAID, DFSORT, CA7, CONTROL-M, CHANGEMAN, FTP, File Manager

Database & SQL: Joins, Subqueries, Window Functions, CTEs, Aggregate Functions, ERD

Development & Methodologies: Agile, Scrum, Waterfall, Sprint Planning, Code Reviews, Maintenance

Project Tools: Jira, ServiceNow

CERTIFICATIONS

Big Data Foundation – IBM

Mainframe Utilities – Cognizant

Certified Generative AI Associate – Jun 2024

ACHIEVEMENTS

Cognizant Sapphire Award 2024 – For proactive defect identification, reducing issue rate by 40% and achieving 100% on-time testing.

Cognizant Coral Award 2023 – Recognized for impactful contributions to WCPOLS/FASTPAT deployment as a new joiner.

Cognizant Sapphire Award 2022 – For rapid learning and effective delivery of CHANGEMAN package updates.

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