Design, develop, and maintain scalable Java/Spring Boot backend services, build RESTful APIs, optimize relational databases (Postgres), implement business logic and third-party integrations, containerize and deploy with Docker and Kubernetes, and ensure code quality through testing and reviews.

Administer, maintain, and optimize PostgreSQL databases on AWS and Azure. Monitor performance and availability, handle provisioning, backups, recovery, and disaster recovery. Troubleshoot queries, replication, and connectivity; secure databases and manage access. Automate DBA tasks with Bash/Python, use observability tools (Grafana, CloudWatch, Prometheus), and create operational runbooks while collaborating with application teams.