Nancy Jaiswal

Systems Engineer

Tata Consultancy Services•  April 2021 - Present•  Bangalore, India

Optimized application performance by reducing batch execution time by 91%, from 2 hours to under 10 minutes, through efficient code optimization and database indexing. Decreased operational costs by improving database query efficiency and implementing indexing strategies. Successfully handled critical application modules, including Depository Services, OTC Trades, and Regsho. Resolved complex bugs and issues, ensuring project milestones were consistently met. Managed Industry Testing, receiving positive client feedback. Led code deployment processes using GIT, Jenkins, and Mi-Build. Trained and mentored junior team members, provided reliable on-call batch support, developed and maintained backend logic in Java, created new ETL scripts, and implemented feature enhancements. Ensured adherence to best coding practices using tools like SonarQube.