Java Software Developer

Job Title: Java Software Developer

Location: Singapore

Employment Type: Full-Time

Work Hours: 8:45 AM – 6:30 PM SGT (Weekend support on demand)

Key Responsibilities

Software Development & Architecture

• Lead design and architectural evolution for applications and operational models
• Deliver well-structured, fully tested, and production-ready Java code within deadlines
• Liaise with Business Analysts for requirement clarification and understanding
• Design, build, and maintain RESTful APIs using Spring Boot and modern Java features
• Apply strong testing practices including unit and integration tests

Deployment & Change Management

• Coordinate and execute application deployments
• Apply monthly release strategies and support production releases
• Contribute to change management activities with proper documentation

Production Support & Incident Management

• Provide Level 3 support, resolving issues and proposing long-term fixes
• Analyze enhancement requests and bug fixes
• Document all deliverables and operational steps

Operations & Continuous Improvement

• Monitor software quality and performance in production
• Drive automation, delivery efficiency, and system improvements
• Collaborate with teams on tool and infrastructure upgrades

Required Qualifications & Experience

• Minimum 12 years of software development experience, with 8+ years in Java
• Proficiency in Spring Boot, REST API design (Swagger/OpenAPI)
• Strong knowledge of SOLID principles, unit testing, and integration testing
• Experience with AWS Cloud Fundamentals, including microservices, Docker, Kubernetes, S3, Redshift
• Familiarity with Java OpenTelemetry and ElasticSearch for observability
• Front-end experience with Angular or React
• Proficient in SQL and database query optimization
• Comfortable using Maven, Git, GitLab, JIRA
• Deep understanding of algorithms, data structures, and code optimization
• Strong debugging skills even without a debugger
• Experience with Apache Kafka, Spark, or Iceberg
• Exposure to DevOps practices and culture
• Willingness to perform L3 support and participate in weekend/on-call rotations