Full Stack Developer - Public Sector
About the job
- A degree or diploma in Computer Science, Information Technology, Software Engineering, or a related discipline.
- At least 4 years of professional software engineering experience.
- Strong experience with TypeScript, Node.js, and backend API development.
- Experience with React.js for modern web application development.
- Experience with NestJS or similar backend frameworks such as Express or Fastify.
- Strong understanding of PostgreSQL, relational database design, and query optimisation.
- Experience working with cloud platforms, preferably AWS.
- Experience writing automated unit, integration, and end-to-end tests.
- Ability to design comprehensive test scenarios for new product features.
- Strong written communication skills and experience working with cross-functional stakeholders.
- Design, develop, and maintain scalable full stack features using React.js, TypeScript, and NestJS.
- Build and enhance multi-tenant platform capabilities, including content management, publishing workflows, and layout composition.
- Design PostgreSQL database schemas, optimise queries, and manage database migrations.
- Develop cloud-enabled solutions leveraging AWS services such as S3, CloudFront, and Lambda.
- Write and maintain automated unit, integration, and end-to-end tests using Jest, Supertest, and Playwright.
- Design comprehensive test cases to validate new features and ensure high software quality.
- Support CI/CD pipelines through GitLab CI and contribute to continuous delivery practices.
- Collaborate with cross-functional teams to define technical solutions, review designs, and deliver secure, reliable software.
- Contribute to AI-assisted product capabilities while ensuring appropriate review and governance processes.
- Continuously improve engineering standards, testing practices, and overall platform reliability.
- Experience building multi-tenant SaaS platforms.
- Familiarity with content versioning and diffing approaches such as JSON Patch and OT/CRDT concepts.
- Familiarity with IAM or Role-Based Access Control (RBAC).
- Experience integrating AI or LLM capabilities into production applications.
- Exposure to GitLab CI/CD and modern DevOps practices.
About the company
Xtremax is a digital solutions agency with offices in Singapore, Bandung, and Kuala Lumpur that designs, builds, and manages digital applications for government bodies, large organizations, MNCs, local businesses, and educational institutions. It combines user-centered design, strategic content planning, and the latest technologies to deliver end-to-end digital projects. The company partners with clients to understand goals, develop scalable solutions, and continuously improve through data and technology updates. Its advantage comes from an award-winning track record, a large regional network, and deep experience across public and educational sectors.
Company Size
201-500
Company Stage
N/A
Total Funding
N/A
Headquarters
Singapore, Singapore
Founded
2003
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Simplify's Take
What believers are saying
- Xtremax won GVT(T)24014 in August 2025 and GCC FMS in January 2026.
- Its Optical CMS showcase on May 9, 2025 drew public- and private-sector interest.
- Xtremax listed 59 active openings in 2026, signaling ongoing delivery demand.
What critics are saying
- Revelio Labs shows headcount fell 54% from 2023 to 414 in March 2026.
- Xtremax depends on Singapore government contracts; one procurement shift hits revenue fast.
- If GovTech replaces Optical CMS standards after 2026, Visor loses its core advantage.
What makes Xtremax unique
- Xtremax built GovTech-approved Visor for Optical CMS on June 29, 2025.
- It holds AWS, Microsoft, Google Cloud, Adobe, Sitecore, and OutSystems partnerships.
- Singapore public-sector cloud delivery, not generic web design, defines Xtremax's moat.
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Benefits
- Flexible Work Hours