Lead Java Developer - Toa Payoh

About the Role

We are seeking a highly experienced Lead Java Developer to design, develop, and implement large-scale distributed systems using modern frameworks and architectural patterns. The ideal candidate will have strong hands-on experience in Java/J2EE, Spring Boot, and microservices-based architecture, along with deep knowledge of system performance, scalability, and reliability.

You will collaborate closely with cross-functional teams to build enterprise-grade applications, define best practices, and ensure high-quality software delivery.

• Design, develop, and implement large distributed systems using microservices architecture.
• Translate functional requirements into robust technical and design specifications.
• Define and enforce best practices, coding standards, and implementation patterns for web service development.
• Lead initiatives to build accelerators and tools that improve delivery quality and efficiency.
• Evaluate industry trends and emerging technologies to shape service design and enhance system performance.
• Identify design risks, propose alternative solutions, and recommend the best approach to meet project goals.
• Develop and maintain RESTful and SOAP web services using Spring Boot and Java frameworks.
• Write and review JUnit, functional, and end-to-end tests to ensure high code quality.
• Identify and resolve performance, scalability, and availability issues across applications.
• Support User Acceptance Testing (UAT), manage deployments to UAT and Production environments, and obtain necessary sign-offs.
• Create and maintain Functional Specifications (FSD) and Technical Specifications (TSD).
• Collaborate with DevOps teams to ensure smooth CI/CD pipelines and version control management.
• Technical Skills & Requirements
• Bachelor’s Degree in Computer Science or related discipline.
• 10+ years of technical experience in backend system design, integration, and development.
• Strong hands-on experience in Java/J2EE, Spring Framework, and Spring Boot.
• In-depth understanding of Microservices architecture, SOA, REST, and SOAP services.
• Strong experience in Core Java (Java 8+), Junit, Cucumber, and design patterns.
• Proficiency in application servers such as WebSphere, WebLogic, or JBoss.
• Solid experience with databases like Oracle and Microsoft SQL Server.
• Working knowledge of Linux and IBM AIX operating systems.
• Experience with Git or similar version control systems.
• Good understanding of CI/CD pipelines and deployment automation.
• Excellent documentation skills (FSD, TSD).
• Nice to Have
• Familiarity with containerization tools (Docker, Kubernetes).
• Exposure to cloud platforms (AWS, Azure, GCP).
• Experience in agile environments and DevOps practices.

EA Number: 11C4879