Full Stack Engineer - (Public Sector)

Xtremax; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading tech company in Singapore seeks a Full Stack Engineer to build scalable web applications. You will work on both frontend and backend using modern technologies and cloud services. A degree in Computer Science or a related field and 2–5 years of experience are required, preferably with public sector projects. This role offers an opportunity to innovate and improve development processes.

Qualifications

• 2–5 years of relevant experience is required.
• Strong proficiency in both frontend and backend development.
• Experience with modern frameworks and cloud services.

Responsibilities

• Take ownership of end-to-end application development.
• Build responsive and high-performance web applications.
• Optimize CI/CD pipelines for seamless deployments.

Skills

Frontend development

Backend development

Git and branching workflows

JavaScript/TypeScript frameworks

Node.js

API design

Education

Degree/Diploma in Computer Science, IT, Engineering

Tools

React

Node.js

CI/CD tools

Job description

Overview

At Xtremax, our Full Stack Engineers build end-to-end web applications that deliver real impact. You’ll work across both frontend and backend, using modern frameworks, cloud services, and DevOps practices to create scalable, secure, and high-performing solutions. This role is perfect for engineers who enjoy versatility, problem-solving, and seeing their work come to life from idea to production. Candidates with public sector experience are preferred, as this role supports IT projects for government agencies.

Responsibilities

End-to-End Development

• Take full ownership of end-to-end application development, integrating frontend, backend, and cloud infrastructure.
• Build responsive, accessible, and high-performance web applications.
• Implement modern frontend architectures that are reusable, scalable, and secure.
• Develop backend services and APIs, ensuring reliability, security, and observability.

Testing, Quality, and Security

• Work with QA engineers to ensure automated test coverage and proactively fix bugs.
• Apply best practices in security, scalability, and maintainability across the full stack.
• Monitor application health using APM tools, logging frameworks, dashboards, and alerts.

DevOps and Cloud

• Optimize CI/CD pipelines to enable seamless and automated deployments.
• Collaborate with DevOps teams to automate infrastructure provisioning and cloud deployments.

Innovation and Continuous Improvement

• Continuously evaluate and adopt emerging technologies to improve application performance and developer productivity.
• Document technical decisions and share knowledge with the team.
• (Optional) Contribute to mobile development and low-code platforms when needed.

Must Have

• Degree/Diploma in Computer Science, IT, Engineering, or related fields.
• Must have 2–5 years of relevant experience.
• Strong proficiency in frontend and backend development.
• Experience with Git and modern branching workflows (GitFlow, trunk-based).
• Frontend: JavaScript/TypeScript, frameworks like React, Next.js, Vue, Angular, or Svelte;
• Backend: Node.js, Express, NestJS, Ruby on Rails, Python (Django, Flask, FastAPI), Java/Kotlin (Spring Boot), Golang.
• API design: REST, GraphQL, gRPC, WebSockets; caching strategies and performance optimization.

Good to Have

• Experience with Singapore Government Project will be advantageous.
• Experience with low-code platforms (OutSystems, Mendix, Appian).
• Knowledge of security best practices (OAuth, JWT, OWASP).
• Experience with mobile app development (React Native, Swift, Kotlin).
• Familiarity with UI libraries (Tailwind, Material-UI, Bootstrap) and knowledge of design/prototyping tools (Figma).
• Experience with CI/CD pipelines (GitHub Actions, GitLab CI, ArgoCD, Jenkins)
• Experience with observability and monitoring tools (Prometheus, Grafana, Datadog, New Relic, ELK).
• Understanding of Infrastructure as Code (Terraform, CloudFormation, Pulumi).
• Familiarity with frontend and backend testing frameworks (Jest, Cypress, Playwright, Supertest).
• Exposure to micro-frontends, serverless, or edge computing.

Certificate Preferred

• Certified Scrum Developer (CSD) / Professional Scrum Developer (PSD)
• AWS Certified Developer - Associate / Microsoft Certified: Azure Developer Associate
• ScrumMaster (CSM) / Professional Scrum Master (PSM)