Senior Full-Stack Engineer: React/Node & TS

JonDavidson Pte Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

JonDavidson Pte Ltd is seeking a senior frontend/backend engineer in Singapore to develop enterprise web applications using React.js, Next.js and TypeScript. You will design modular components, optimize rendering, and implement robust REST APIs with security and observability in mind.

The role requires hands-on testing with Jest and React Testing Library, plus strong PostgreSQL and Redux Toolkit experience.

Qualifications

• 5 years of progressive software engineering delivering complex web apps in enterprise environments.
• Proficient in React.js, Next.js and TypeScript; build modular reusable components and optimize rendering.
• Hands-on Node.js and REST APIs; design request flows, error handling and security/observability practices.
• Expertise with Jest and React Testing Library; design test suites to prevent regressions.
• Knowledge of PostgreSQL administration, query optimization, indexes, schema design and data integrity.
• Proficient with Redux Toolkit and Bootstrap 5 for scalable state and responsive interfaces.
• Familiar with Webpack configuration and performance tuning.

Skills

React.js

Next.js

TypeScript

Node.js

REST API design

Jest

React Testing Library

PostgreSQL

Redux Toolkit

Bootstrap 5

Webpack

Performance tuning

Security & observability

Tools

Webpack

Bootstrap 5

Job description

JonDavidson Pte Ltd is seeking a senior frontend/backend engineer in Singapore to develop enterprise web applications using React.js, Next.js and TypeScript. You will design modular components, optimize rendering, and implement robust REST APIs with security and observability in mind.

The role requires hands-on testing with Jest and React Testing Library, plus strong PostgreSQL and Redux Toolkit experience.