Senior Software Engineer - Public Sector Platform

About the role

GovTech, the lead agency behind Singapore's Smart Nation initiatives, is looking for a hands-on Senior Software Engineer to join a team building and evolving a business-critical digital platform within the public sector. You will work on systems supporting important public-sector operations, with complex workflows, rich domain logic and a focus on reliability, correctness and maintainability.

Key responsibilities

• Design and implement backend services, APIs and application logic for complex business workflows
• Translate business processes, data relationships and operational rules into maintainable software designs
• Design clean domain models, service boundaries and data models
• Build validations, state transitions, orchestration flows and exception handling for transaction-heavy processes
• Work with QA engineers, business analysts and developers so the system is testable, observable and production-ready
• Write high-quality, maintainable code with strong automated test coverage
• Take part in technical design discussions, code reviews, defect analysis and release readiness
• Support system evolution, data reconciliation and integration between existing and new capabilities
• Document technical decisions, business-rule assumptions and trade-offs, and contribute to engineering standards and mentoring

Required profile

• Strong hands-on experience in Java and backend service development
• Strong understanding of data modelling, transactional integrity and stateful workflow design
• Experience writing unit, integration and service-level automated tests
• CI/CD, source control and release-safe engineering practices; troubleshooting across application, data and integration layers
• Ability to work with ambiguity, learn complex domains and balance code quality, delivery pace and maintainability

Required skills

• Java and Spring Boot
• TDD and test automation (JUnit, JMeter or equivalent)
• REST APIs and enterprise integration patterns
• Relational databases such as PostgreSQL or Oracle
• Node.js and TypeScript/JavaScript is a plus; AWS (EC2, RDS, EKS) is a plus

What we offer

• A total rewards package including leave benefits and employee wellness programs
• Flexible work arrangements (subject to the job role)