Rahul Kumar

Software Engineer

capgemini•  July 2024 - September 2024•  Hyderabad

• Developed and maintained microservices using Java, Spring Boot, and PostgreSQL, increasing data processing speed by 35%. • Enhanced application performance by 30% through optimizing the Java Collections Framework and Stream API. • Built and tested REST APIs using Postman, reducing integration bugs by 20%. • Implemented Git version control for collaborative development, minimizing deployment issues by 45%. • Improved database query efficiency by 25% through schema optimization in PostgreSQL. • Reduced application response time by 15% through API calls and database query enhancements.

Software Engineer

PPN Solutions•  September 2023 - June 2024•  Zirakpur, On-site

• Designed and implemented integration projects and services using Java8 EE, REST, and JMS. • Collaborated with program management to define product features and requirements more than 60%. • Engaged in requirement gathering and defined technical scope of 90% through research and analysis. • Actively participated in code reviews and provided feedback to improve code quality and maintainability. • Developed and executed unit tests using JUnit and TestNG, achieving a code coverage of over 85%. • Optimized existing Java code to improve performance and reduce memory consumption, leading to a 20% increase in application responsiveness. • Integrated third-party APIs for payment processing and data analytics, enhancing application functionality to secure 100% data protections.