Senior Backend Java Developer - API & Spring Expert
Summary
Designs and builds high-throughput RESTful APIs and backend services in Java 11+ with Spring Boot, focusing on scalability, SOLID patterns, and OpenAPI documentation.
Optimum Solutions (Singapore) Pte Ltd. is seeking an experienced Backend Java Developer to design, build, and maintain high-throughput RESTful APIs and enterprise backend components.
You will focus on scalable code, multi-database interactions, asynchronous execution, and strong object-oriented and functional programming across the stack. The role emphasizes REST API design with Java 11+/Spring Boot, SOLID patterns, and OpenAPI documentation, plus tuning data persistence via Spring Data