Developed and maintained an enterprise web application focused on backend services using Java and other technologies. Managed PostgreSQL and AtlasDB databases, including basic administration, optimization, and the creation of efficient and scalable queries. Implemented backend caching strategies to improve system performance and response times. Contributed to the frontend using JavaScript frameworks and libraries. Worked in an agile environment, ensuring system scalability, reliability, and high performance. Actively participated in continuous improvement processes and system optimizations.