Senior Full-Stack Engineer: React/Node & Cloud APIs

TRINITY CONSULTING SERVICES PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

TRINITY CONSULTING SERVICES PTE. LTD. seeks a seasoned software engineer with 4–6 years of experience in full-stack development. You will work across frontend and backend using JavaScript/TypeScript, React/Next.js, and Node.js, building scalable APIs and cloud-native architectures.

The role requires strong experience with REST/GraphQL, gRPC, and modern cloud platforms (AWS/Azure/GCP), plus exposure to security best practices and testing frameworks. A plus: UI design familiarity.

Qualifications

• 4–6 years of professional software development experience.
• Degree or diploma in computer science, IT, engineering, or related field.
• Strong frontend and backend development with JavaScript/TypeScript, React/Next.js, Node.js, and modern frameworks.
• Experience with REST, GraphQL, gRPC, WebSockets, API design, caching, rate limiting, and scalable architectures.
• Experience with Python/Java/Kotlin/Ruby/Golang and relational/NoSQL databases.
• Experience with Git, CI/CD, Docker, Kubernetes, and cloud platforms such as AWS/Azure/GCP.
• Knowledge of Terraform/CloudFormation/Pulumi, monitoring and observability tools (Datadog, Sentry, Prometheus, OpenTelemetry).
• Strong understanding of application and cloud security, including OAuth, JWT, IAM, CSP, CORS, XSS, and OWASP.
• Experience with unit, integration, E2E, and API testing using Jest, Cypress, Playwright, Postman, or Supertest.
• Familiarity with Figma, UI libraries, and responsive design is a plus

Skills

Frontend development

Backend development

JavaScript/TypeScript

React/Next.js

Node.js

API design

REST/GraphQL

Security concepts

Education

Degree/Diploma in CS/IT/Eng

Tools

Docker

Kubernetes

Git

CI/CD

AWS

Azure

GCP

Terraform

CloudFormation

Pulumi

Datadog

Sentry

Prometheus

OpenTelemetry

Job description

TRINITY CONSULTING SERVICES PTE. LTD. seeks a seasoned software engineer with 4–6 years of experience in full-stack development. You will work across frontend and backend using JavaScript/TypeScript, React/Next.js, and Node.js, building scalable APIs and cloud-native architectures.

The role requires strong experience with REST/GraphQL, gRPC, and modern cloud platforms (AWS/Azure/GCP), plus exposure to security best practices and testing frameworks. A plus: UI design familiarity.