Design, develop, and maintain high-performance RESTful APIs using Java Spring Boot. Build robust microservices that handle large-scale financial transactions. Work with Kafka and RabbitMQ to implement event-driven architectures. Collaborate with architects and DevOps to design and implement cloud-native and secure systems on AWS. Implement efficient data models and optimize database performance (Oracle, PostgreSQL). Develop and maintain unit tests and contribute to CI/CD pipelines. Ensure high system reliability through monitoring, logging, and performance tuning (ELK, Prometheus). Design and develop internal web applications (admin portals, dashboards, internal tools) to support internal teams such as Operations, Telesales, Customer Service, etc. Build and maintain frontend components using modern frontend frameworks (React, Next.js, Angular, AngularJS, Vue.js). Mentor junior engineers and contribute to code reviews and design discussions. Work closely with business teams (Product, Operations, Telesales, Customer Service) to deliver solutions aligned with user needs.