Geethika G

About Geethika G

I have over 8 years of experience in Mainframe Development, contributing to large-scale development and testing projects across diverse domains including Banking, Healthcare, Finance, Insurance, and Retail. I bring strong expertise in programming, development, unit testing, and debugging within the Mainframe environment. My technical proficiency includes technologies such as COBOL, JCL, DB2, VSAM, IMS, CICS, IDMS, QMF, Easytrieve, PL/I, SPUFI, ETL, RACF, ZOS Connect, API Proxy, ASPG Mega Cryption, and Micro Focus Visual COBOL. I’ve worked extensively with tools like ENDEVOR, ChangeMan, XPEDITOR, File-Aid, CA-7/CA-11, and BMC, with solid experience in SQL stored procedures, job scheduling, and database management using IBM Data Studio and TSO/ISPF.I have hands-on experience in IBM iSeries/AS400 system administration, performance tuning, system backups, and hardware/software upgrades. My core competencies extend to incident, problem, and change management, along with team leadership, customer service, innovation, and critical decision-making. I am well-versed in the complete Software Development Life Cycle (SDLC), from requirements gathering and design to development, testing, deployment, and support. My strong analytical mindset and commitment to quality have consistently contributed to the successful and timely delivery of critical business applications. I also take pride in mentoring and training new team members in Mainframe technologies, fostering continuous growth and team capability.

Experience

1. Senior Mainframe Developer

   Truist

   Jan 2024 — Present · Charlotte, NC, US

   Involved in Development like Analysis, Design, Coding, Unit testing, Integration Testing and Release.• Developed new programs for new batch components using COBOL, DB2, JCL.• Developed new Batch Process using COBOL DB2 programing for Product integration.• Involved in working with File-Aid and SPUFI for SQL Queries• Perform Unit testing and evaluating the test results for test plans and testcases.• Understand the System Architecture and integrate modules and the backend database.• Analyzing the existing modules through CHANGEMAN version control tool.• Prepared technical specifications and component specifications once analysis is done.• Modifying the existing modules in the current system as part of enhancement.• Implemented Several Enhancements for existing application as per requirements.• Conduct performance testing to ensure effective module interactions.• Develop test cases for integration testing across all modules and Validate test results to ensure proper integration.• Perform end-to-end application testing to Validate mainframe code logics and for performance evaluation.• Reduced batch job runtime by 40% through DB2 tuning and JCL optimization. • Ensured 100% data accuracy during CIF integration post-bank merger.• Involving in code review meetings, requirement gathering meetings, Project status meetings.• Collaborate with Upstream and Downstream application teams to maintain the Application stable.• Participated in Performance improvements initiatives to reduce run-time of long running jobs in the batch.• Participate in Business/Functional requirement walkthrough and reviews.• Adopted DB2 Performance tuning techniques during the development Process.• Postproduction Warranty Support.

Education

• Vijaya Institute of Technology for Women,Enikepadu, Vijayawada, PIN-521108 (CC-NP)

  Bachelor of Technology - BTech, Computer Science

• Elmhurst University

  Master's degree, Computer Science