Full Stack Engineer (Public Sector) at Xtremax · Singapore

Full Stack Engineer (Public Sector)

The Full Stack Engineer is responsible for designing, developing, deploying, and maintaining scalable, high-performance, and secure web applications. The role requires expertise in frontend and backend development, cloud technologies, DevOps automation, and application security. Engineers must work in an agile, DevOps-driven environment, ensuring high software quality, security, and maintainability.

Responsibility

• Take full ownership of end-to-end application development, integrating frontend, backend, and cloud infrastructure.
• Design, develop, and maintain responsive, accessible, and performant web applications.
• Implement modern frontend architectures, ensuring reusability, scalability, and security.
• Develop high-performance backend services and APIs, ensuring reliability, security, and observability.
• Work with Quality Assurance (QA) engineers to ensure automated test coverage and proactively fix bugs and defects.
• Optimize full-stack CI/CD deployment strategies, ensuring seamless and automated releases.
• Work with DevOps teams to automate infrastructure provisioning, monitoring, and cloud deployments.
• Ensure full-stack security, including authentication, authorization, API security, and frontend security best practices.
• Continuously evaluate and adopt emerging technologies to improve application performance and developer productivity.

Requirements

Full Stack Development:

• Degree or Diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.
• Experience with Git and modern branching workflows (GitFlow, trunk-based development).
• Strong proficiency in both frontend and backend development.

Frontend Technologies:

• JavaScript and TypeScript.
• Frontend frameworks such as React.js, Next.js, Vue.js, Angular, or Svelte.
• Mobile app development using Swift (iOS), Kotlin (Android), or React Native.
• UI component libraries such as Material-UI, Tailwind CSS, or Bootstrap.
• Experience with wireframing and prototyping tools (Figma).

Backend Technologies:

• Node.js, Express.js, NestJS.
• Ruby on Rails (RoR).
• Java/Kotlin (Spring Boot).
• Python (Django, Flask, FastAPI).
• Golang
• RESTful APIs, GraphQL, gRPC, and WebSockets for service communication.

Observability & Monitoring:

• Experience implementing application performance monitoring (APM) tools (Datadog, New Relic, Sentry, Prometheus, OpenTelemetry).
• Knowledge of logging frameworks (ELK Stack, Loki, Fluentd) to track and debug issues across distributed systems.
• Ability to set up dashboards and alerts for real-time application health monitoring.

Backend Scalability & API Design:

• Strong experience in API design principles, including REST, GraphQL, gRPC, and WebSockets.
• Knowledge of API rate limiting, caching strategies (Redis, Varnish), and performance optimizations.
• Familiarity with backend service scalability strategies (horizontal scaling, autoscaling, load balancing).

DevOps, Cloud, and Infrastructure:

• Experience with CI/CD pipelines (GitHub Actions, GitLab CI, ArgoCD, Jenkins).
• Hands-on experience with cloud platforms (AWS, Azure, Google Cloud, Cloudflare Workers).
• Experience with containerization and orchestration (Docker, Kubernetes).
• Familiarity with Infrastructure as Code (IaC) tools (Terraform, CloudFormation, Pulumi).

Security Best Practices:

• Strong knowledge of frontend security (CSP, CORS, XSS prevention).
• Experience with backend security (OAuth, JWT, API rate limiting, encryption).
• Familiarity with cloud security (IAM, Secrets Management, OWASP Top 10).

Software Quality & Testing:

• Experience with unit and integration testing (Jest, Cypress, Playwright, Pact).
• Backend testing using Postman, Supertest, contract testing.

Bonus Experience (Added Advantage):

• Experience with low-code platforms (OutSystems, Mendix, Appian).
• Familiarity with micro-frontends and modular frontend architectures.
• Experience working with edge computing (Cloudflare Workers, Lambda@Edge).

Benefits

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We regret to inform you that should you not consent to providing the necessary data required for us to process your application, your application will be considered void.