Senior Full Stack Engineer at Quess Singapore

Job Description:

Latest job information from Quess Singapore for the position of Senior Full Stack Engineer. If the Senior Full Stack Engineer vacancy in Singapore matches your qualifications, please submit your latest application or CV directly through the updated Jobkos job portal.

Please note that applying for a job may not always be easy, as new candidates must meet certain qualifications and requirements set by the company. We hope the career opportunity at Quess Singapore for the position of Senior Full Stack Engineer below matches your qualifications.

Senior Full Stack Engineer (CAT-1) (12-month contract)

About the Company:

Our client is one of Singapore's leading technology services firms.

• Role: Senior Full Stack Engineer (CAT-1 A-1) (12-month contract)
• Remuneration: Up to SGD 8,000 per month
• Location: Singapore

Job Description:

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.

• 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.
• Optimise 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, authorisation, API security, and frontend security best practices.
• Continuously evaluate and adopt emerging technologies to improve application performance and developer productivity.

Experience and Skills Needed:

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.

Rajkumar Renganathan

Sr. Team Lead-Recruitment | Quess Selection & Services, Singapore

EA Licence Number: 23C2060 Registration ID is R1983662

Disclaimer: The company is committed to ensuring the privacy and security of your information. By submitting this form, you consent to the collection, processing, and retention of the information you provide. The data collected (which may include your contact details, educational background, work experience and skills) will be used solely for the purpose of evaluating your qualifications for the position you're applying for. Your data will be stored securely and retained for the duration necessary to fulfill our hiring process. If you are not selected for the position, your data will be kept on file for a limited period in case future opportunities arise. You have the right to access, correct, or delete your data at any time by contacting us at Quess Singapore | A Leading Staffing Services Provider in Singapore (quesscorp.sg)

“This is in partnership with the Employment and Employability Institute Pte Ltd (“e2i”).

e2i is the empowering network for workers and employers seeking employment and employability solutions. e2i serves as a bridge between workers and employers, connecting with workers to offer job security through job-matching, career guidance and skills upgrading services, and partnering employers to address their manpower needs through recruitment, training, and job redesign solutions. e2i is a tripartite initiative of the National Trades Union Congress set up to support nation-wide manpower and skills upgrading initiatives. By applying for this role, you consent to Quesscorp Singapore’s PDPA and e2i’s PDPA.”

Job Info:

• Company: Quess Singapore
• Position: Senior Full Stack Engineer
• Work Location: Singapore
• Country: SG

How to Submit an Application:

After reading and understanding the criteria and minimum qualification requirements explained in the job information Senior Full Stack Engineer at the office Singapore above, immediately complete the job application files such as a job application letter, CV, photocopy of diploma, transcript, and other supplements as explained above. Submit via the Next Page link below.