Senior Backend Engineer - Java/Spring Microservices

Rakuten Kobo Inc.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Rakuten Asia, based in Singapore, seeks a Senior Software Engineer (Backend) to design, develop, and maintain scalable backend services and APIs using Java and Spring Boot. You will translate business requirements into robust technical designs and drive the full software lifecycle to ensure stability and performance.

The ideal candidate has 5+ years in Java/Spring microservice development, strong API and SQL skills, and experience with testing frameworks like JUnit.

Qualifications

• 5 years of professional experience in web application development using Java and Spring in a Micro-service architecture.
• Proficiency in API development (REST), including OpenAPI specifications, ORM frameworks, and database schema design.
• Ability to analyze technical trade-offs and make informed decisions regarding software design.
• Advanced SQL knowledge, including complex query.
• Experience with unit testing frameworks (e.g., JUnit).
• Bachelor's degree in Computer Science, Engineering, or a related field.

Responsibilities

• Design and develop high-quality, scalable backend services and APIs using Java/Springboot.
• Translate complex business requirements into robust technical designs and efficient code implementations.
• Participate in the full web application development lifecycle, including architecture design, middleware selection, development, configuration, release, and system operations.
• Detect root causes of issues and collaborate with team members for proactive recovery, taking ownership of service/system stability.
• Propose new technologies and tools to improve system architecture, improve system capability and enhance development efficiency.

Skills

Java

Spring

API development

SQL

Unit testing

Microservices

Education

Bachelor's degree in Computer Science or related field

Job description

Rakuten Asia, based in Singapore, seeks a Senior Software Engineer (Backend) to design, develop, and maintain scalable backend services and APIs using Java and Spring Boot. You will translate business requirements into robust technical designs and drive the full software lifecycle to ensure stability and performance.

The ideal candidate has 5+ years in Java/Spring microservice development, strong API and SQL skills, and experience with testing frameworks like JUnit.