Fullstack Developer at Unison Group - Singapore, Singapore, Singapore

Fullstack Developer

Unison Group

Singapore, Singapore, Singapore contract

Posted: March 26, 2026

Quick Summary

As a Full-Stack Engineer in Singapore, you will design and develop high-quality software applications for a leading tech company, utilizing modern technologies such as React.js, Node.js, and MongoDB. Strong focus on frontend and backend development, with expertise in mobile app development using Swift, Kotlin, and React Native. The ideal candidate will have experience working with Agile methodologies and be proficient in Git and modern branching workflows.

Required Skills

Job Description

As a Full-Stack Engineer, you need to have:

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.

Requirements:
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).

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