- 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.

- 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). - 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.

- Phát triển các nội dung xử lý phía back-end theo yêu cầu dự án - Phát triển API kết nối với front-end hay đối tác - Đảm bảo các tiêu chuẩn bảo mật và mã hóa - Tuân thủ quy trình/quy định của khách hàng