Full Stack Developer - (Public Sector)

At Xtremax, you'll help build and enhance a modern cloud-native content management platform used by public sector organisations to create, manage and publish secure digital services. The platform is designed for non-technical users, making it easier for organisations to deliver high-quality digital experiences while meeting enterprise standards for scalability, security and reliability.

As a Full Stack Developer, you'll develop both frontend and backend capabilities using React, TypeScript and Node.js, working on features such as content management, publishing workflows, cloud-based infrastructure and automation. You'll also contribute to software quality through automated testing, helping ensure every release is reliable and production-ready.

Working alongside Product Managers, UX Designers, Architects, Security Engineers, and DevOps teams, you'll be involved in designing scalable solutions, improving engineering practices and exploring emerging technologies including AI-assisted capabilities within a modern SaaS environment. 

Responsibilities

• 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.

• Degree or Diploma in Computer Science, Information Technology, Software Engineering or a related discipline.
• Minimum 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.

Preferred 

• Experience building multi-tenant SaaS platforms.
• Familiarity with content versioning/diffing approaches (e.g. JSON Patch, 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.

Why Join Us

• 🌍 Meaningful impact — contribute to digital projects that serve government and enterprise clients.
• 💡 Culture of learning — we value curiosity, open communication, and taking ownership.

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