Arpitha Shankar17

Software Engineer with 5 years of experience in mainframe technologies and application modernization, currently at IBM Software Labs working on enterprise mainframe modernization initiatives. Experienced in COBOL, JCL, DB2, CICS, VSAM, and batch processing, with hands-on experience in analyzing and modernizing legacy applications. Also have exposure to Generative AI technologies supporting modernization initiatives.

Passionate about leveraging strong mainframe expertise along with modern technologies to support scalable and production-ready enterprise transformation.

Software Engineer 1 at IBM India Software Labs (IBM ISL) (Present)

• Designed code pair evaluation for Plx application modernization by reviewing generated code against source programs, defining evaluation criteria, and scoring outputs to assess functional correctness and support model training and improvement.
• Developed mainframe document ingestion for IBM Watsonx, preparing and processing technical documentation and application artifacts to support knowledge retrieval and domain-specific AI solutions.
• Contributed to fine-tuning data preparation for mainframe domain-specific models, including document and code dataset preparation, data cleaning, formatting, and validation to improve training data quality.
• Supported mainframe modernization initiatives by analyzing legacy application components, documenting technical and business logic, and evaluating AI-assisted code transformation outputs for COBOL and other mainframe technologies.

Associate Engineer at TCS

• Developed and maintained mainframe applications for the Rite Aid project using COBOL, JCL, DB2, and batch processing.
• Analyzed existing COBOL programs and business requirements to understand application workflows, data processing, and program dependencies.
• Created and modified JCL jobs for batch processing, including dataset handling, job execution, and job dependencies.
• Performed unit testing, debugging, and defect resolution to ensure functional correctness and reliable application processing.
• Participated in code reviews, prepared technical documentation, and collaborated with team members to support mainframe application development and maintenance.

Software Engineer at Kyndryl

• As part of the development team, fixed COBOL application defects and batch job failures on FedEx's global mainframe platform, ensuring timely resolution within critical business cycles.
• Analyzed and resolved JCL/COBOL abends and data discrepancies in batch processing, working closely with cross functional teams to identify root causes and implement fixes.
• Contributed to FedEx's global platform on the Legacy side, preparing unit and system test plans and documenting results.

Bachelor of Engineering – SSIT TUMKUR (2020)