Full Stack Engineer

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 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 Requirements 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)Seniority level Mid-Senior level Employment type Contract Job function Information Technology Industries IT Services and IT Consulting Get notified about new Full Stack Engineer jobs in Singapore, Singapore . #J-18808-Ljbffr