• Developed and designed comprehensive end-to-end features utilizing Java and Spring Boot technologies• Executed REST API calls to facilitate seamless communication between different components of the application• Debugged applications, identified and resolved runtime production bugs• Played a key role in ensuring the stability and reliability of the production environment• Implemented unit testing using the JUNIT framework, ensuring code quality• Collaborated in user acceptance testing, validating that developed solutions aligned with end-user requirements and expectations• Integrated PostgreSQL database seamlessly into the application architecture• Optimized queries for enhanced performance, contributing to efficient data storage and retrieval processes