Back End Developer

Hiring: Backend Developers – Java / Spring Boot / Microservices

Location: Singapore

Experience: Minimum 3 years of backend development experience

We have openings across three specialised roles:

Position 1: Senior Backend Developer – Microservices & API Integration

Key Responsibilities:

Key responsibilities include developing bi-directional sync microservices, building and testing REST API endpoints, integrating with upstream and downstream systems, participating in code reviews and unit/integration testing, and maintaining technical documentation.

Requirements:

• Minimum 3 years of backend development experience.
• Strong proficiency in Java or C#, with hands-on RESTful API development experience.
• Experience with microservices architecture and system integration patterns.
• Familiarity with Git-based version control and Agile/Scrum methodologies.
• Good problem-solving, communication, and collaboration skills.

Position 2: Backend Developer – Batch Jobs Rewrite

Key responsibilities include analysing and reverse-engineering existing legacy batch scripts to understand processing logic and dependencies, sequentially rewriting batch jobs across CGS, Communications, Reports, and Processing modules into a modern framework, ensuring functional parity between legacy and rewritten jobs, implementing unit and regression tests for each rewritten batch job, and supporting integration with the modernised PTMS application.

Requirements:

• Minimum 3 years of backend development experience.
• Experience with batch job frameworks and scheduled processing systems.
• Ability to analyse, troubleshoot, and reverse-engineer legacy scripts.
• Proficiency in Java, C#, or an equivalent modern backend programming language.
• Experience with unit testing, regression testing, and batch workload validation.
• Strong analytical and debugging skills.

Position 3: Backend Developer – Java / Spring Boot Application Modernisation

Key Responsibilities:

Key responsibilities include building Spring Boot backend services for both VIS and CGS applications, implementing business logic aligned with domain and product requirements, supporting API integration with the modernised frontend, and participating in code reviews and testing activities.

Requirements:

• Minimum 3 years of backend development experience.
• Strong proficiency in Java and Spring Boot.
• Experience with service layer design, backend business logic, and database integration.
• Familiarity with API integration, Agile delivery, and code review practices.
• Good analytical, troubleshooting, and communication skills.