Senior Software Engineer, MOF

GovTech is the lead agency driving Singapore's Smart Nation initiatives and public sector digital transformation. As the Centre of Excellence for Infocomm Technology and Smart Systems (ICT & SS), GovTech develops the Singapore Government's capabilities in Data Science & Artificial Intelligence, Application Development, Smart City Technology, Digital Infrastructure, and Cybersecurity.

The Ministry of Finance (MOF) is hiring a Senior Software Engineer (Full-Stack) to design, build and maintain secure, reliable digital services for MOF and its Ministry Family agencies. You will deliver features end to end, from front-end interfaces to back-end services, APIs and integrations. You will work closely with Product, UX, business stakeholders and vendors to turn requirements into practical solutions. You will also raise engineering quality through CI/CD, automated testing, DevSecOps and AI-assisted tools.

As a Senior Software Engineer, you will design, build and maintain full-stack digital services across the Ministry of Finance (MOF) and its Ministry Family agencies, translating business and policy priorities into secure, reliable software that delivers meaningful and measurable organisational outcomes.

Responsibilities:

• Design, develop and maintain web applications end to end, from responsive front-end interfaces to back-end services, APIs and databases.
• Develop and enhance integrations, APIs and supporting services that connect MOF systems with other agencies and the wider Government technology ecosystem.
• Build prototypes and proof-of-concepts to validate technical approaches and business requirements.
• Ensure solutions are secure, performant, maintainable and aligned with the product roadmap.
• Collaborate closely with Product Managers, UX Designers, Engineering Managers and business stakeholders to translate requirements into practical technical solutions.
• Work with vendors and technology partners where needed, providing technical input and reviewing proposed solutions.
• Produce and maintain clear technical documentation, including solution designs, interface specifications, data models, test evidence and operational guides.
• Provide technical advice and recommendations to help stakeholders make informed decisions.
• Support the team in resolving complex technical and production issues during delivery and operations.
• Contribute to CI/CD pipelines, automated testing, code reviews and observability to improve delivery speed and reliability.
• Apply DevSecOps practices to keep applications secure and compliant with Government standards.
• Mentor fellow engineers and share good practices across the team.
• Apply AI-assisted engineering tools where appropriate to improve development, testing, documentation, migration and analysis.
• Explore practical ways to automate repetitive engineering work while maintaining appropriate security and quality controls.

Requirements:

• At least 5 years of hands-on software engineering experience in modern enterprise or digital product environments.
• Strong full-stack development experience, with proficiency in at least one modern front-end framework (e.g. React, Angular or Vue) and one back-end language or framework (e.g. Java/Spring Boot, Node.js, Python or .NET).
• Strong experience with API design, system integration and data processing.
• Good understanding of software design, relational and NoSQL databases, cloud platforms, security, reliability and performance.
• Experience with modern engineering practices such as CI/CD, automated testing, DevSecOps and observability.
• Ability to independently deliver moderately complex technical scopes and contribute meaningfully to solution design and architecture discussions.
• Strong communication and collaboration skills, with the ability to work across Product, UX, business stakeholders and vendors.
• Ability to produce clear and practical technical documentation.

Preferred Experience:

• Experience with AWS or Government technology platforms such as Government Commercial Cloud (GCC), SHIP-HATS or the Singapore Government Tech Stack.
• Experience with containerisation and orchestration (e.g. Docker, Kubernetes/EKS) and infrastructure as code (e.g. Terraform).
• Experience with data migration, ETL and complex enterprise integrations.
• Experience working with vendors or in vendor-led technology programmes.
• Experience in the finance or public sector domain.
• Experience using AI-assisted engineering tools to improve software delivery or productivity.