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Senior Full Stack Engineer

Senior Full Stack Engineer

JOBSTER PRIVATE LTD.Islandwide, SG
9 days ago
Job description

Roles & Responsibilities

Roles and Responsibilities Responsibility

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.
  • 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.
  • Manage and resolve day-to-day IT related issues pertaining to application, infrastructure or security, to facilitate smooth running of daily operations
  • Troubleshoot and resolve complex technical issues in low-code applications

Knowledge and Skills

a) Educational Background

  • Tertiary education in Computer / Computer Science or Electronics Engineering or Information Technology or equivalent
  • b) Experience and Skills Needed

  • Relevant working experience as a developer or equivalent in at least 3 Agile / full project development life cycle and a minimum of 5 years’ experience in relevant role.
  • Strong proficiency in both frontend and backend development
  • Strong problem-solving skills and able to prioritise and manage multiple tasks
  • Ability to work both independently and as part of a team with professionals at all levels
  • Frontend Technologies :

  • JavaScript and TypeScript.
  • Frontend frameworks such as React.js, Next.js, Vue.js
  • Experience with wireframing and prototyping tools (Figma).
  • Backend Technologies :

  • Node.js
  • RESTful APIs, GraphQL, gRPC, and WebSockets for service communication.
  • Backend Scalability & API Design :

  • Strong experience in API design principles, including REST, GraphQL, gRPC, and WebSockets.
  • 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).
  • Cloud solutioning and hand-on experience with AWS Cloud (ECS Fargate containers, API Gateway, RDS PostgreSQL, Networking). Government Commercial Cloud – GCC will be beneficial.
  • Experience with containerization and orchestration (Docker, Kubernetes).
  • Familiarity with Infrastructure as Code (IaC) tools (Terraform, CloudFormation)
  • Security Best Practices :

  • Strong knowledge of frontend security (CSP, CORS, XSS prevention).
  • Able to build Scripts and API Integrations with knowledge of JWT, JWKS, Cognito and Authorisers.
  • 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) :

  • Relevant experience in and knowledge of microservice architecture
  • Experience in working will LLM, e.g. Open AI, Amazon Q, Gemini
  • Familiarity with governance, adoption of digital services in enterprise IT environments.
  • Work experience and strong troubleshooting skills in resolving application, infrastructure (including desktop, server, network) and security related issues in a (Singapore) government environment
  • Tell employers what skills you have

    RDS

    Scalability

    Kubernetes

    PostgreSQL

    REST

    TypeScript

    XSS

    Agile

    JavaScript

    Information Technology

    Containerization

    Docker

    Authentication

    Web Applications

    API

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