Senior Backend Engineer, Java/Spring Boot - 1-Year

Rakuten; Singapore; On-site; SGD 120,000 - 150,000; Full time

Job summary

Rakuten Asia Pte. Ltd. in Singapore seeks a Senior Software Engineer (Backend focus) to design, develop, and maintain scalable, high-performance backend services and APIs using Java and Spring Boot.

The role covers translating business requirements into technical solutions and driving continuous improvements in architecture and operations. The ideal candidate has 5+ years of experience in web app development with Java/Spring in a microservices setup, strong REST/OpenAPI, SQL and OSS experience.

Qualifications

• 5+ years of experience in Java web application development with microservices.
• REST API development using OpenAPI, ORM, and schema design.
• Bachelor’s degree in CS or related field.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs.
• Translate business requirements into robust technical designs and code.
• Participate in full SDLC including architecture, deployment, and operations.
• Evaluate new technologies to improve architecture and developer productivity.

Skills

Java

Spring Boot

Microservices

REST API

SQL

JUnit

OpenAPI

ORM frameworks

Education

Bachelor's degree in Computer Science or related field

Tools

Spring Boot

OpenAPI

JUnit

ORM frameworks

SQL databases

Job description

Rakuten Asia Pte. Ltd. in Singapore seeks a Senior Software Engineer (Backend focus) to design, develop, and maintain scalable, high-performance backend services and APIs using Java and Spring Boot.

The role covers translating business requirements into technical solutions and driving continuous improvements in architecture and operations. The ideal candidate has 5+ years of experience in web app development with Java/Spring in a microservices setup, strong REST/OpenAPI, SQL and OSS experience.