Full Stack Engineer (React, Python)

TRINITY CONSULTING SERVICES PTE. LTD.; Singapore; On-site; SGD 90,000 - 180,000; Full time

Job summary

TRINITY CONSULTING SERVICES PTE. LTD. in Singapore is seeking a seasoned full-stack engineer to join our product development teams. The role emphasizes delivering robust frontend and backend solutions using modern frameworks and languages.

The ideal candidate has 4–6 years of experience, proficiency in React.js, Python, RESTful APIs, and cloud/DevOps practices, and can implement secure, scalable software across the stack with AWS/GCP and CI/CD disciplines.

Qualifications

• Degree or Diploma in Computer Science or related fields.
• 4-6 years of experience.
• Strong proficiency in frontend and backend development.
• Experience with modern frontend frameworks (React.js, Next.js, Vue.js, Angular, or Svelte).
• Backend experience with Python (Django, Flask, FastAPI).
• Knowledge of RESTful APIs, GraphQL, gRPC, WebSockets.
• DevOps/Cloud experience with CI/CD (GitHub Actions, GitLab CI, ArgoCD, Jenkins) and cloud platforms (AWS, Azure, Google Cloud, Cloudflare Workers).
• Security knowledge: CSP, CORS, XSS prevention; OAuth, JWT, API rate limiting, encryption; IAM and OWASP Top 10.

Skills

Frontend & Backend development

4-6 years experience

Security best practices

Testing (unit/integration)

Tools

JavaScript/TypeScript

React.js

Next.js

Vue.js

Angular

Svelte

Swift

Kotlin

React Native

Python

Django

Flask

FastAPI

Golang

RESTful APIs

GraphQL

gRPC

WebSockets

CI/CD

GitHub Actions

GitLab CI

ArgoCD

Jenkins

AWS

Azure

Google Cloud

Cloudflare Workers

OAuth

JWT

CSP

CORS

XSS prevention

OWASP Top 10

Jest

Cypress

Playwright

Pact

Postman

Supertest

Job description

Degree or Diploma in Computer Science, Computer or Electronics Engineering, Information Technology, or related disciplines.
Minimum 4 to 6 years of experience
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.

Backend Technologies:

• Python (Django, Flask,FastAPI).
• Golang RESTful APIs ,GraphQL, gRPC, and WebSockets for service communication.

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).

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.