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Fullstack Engineer

User Experience Researchers Pte Ltd (Singapore) • 🌐 In Person

In Person Posted 13 hours, 24 minutes ago

Job Description

About The Fullstack Engineer Role

The Fullstack 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. The Fullstack Engineer must work in an agile, DevOps-driven environment, ensuring high software quality, security, and maintainability.

Key Responsibilities

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

Requirements

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 \& Backend 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)

  • 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

Preferred Skills

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 optimisation.

  • 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

Preferred Experience Level

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)

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