React Developer

Quess Singapore; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Quess Singapore is seeking a Senior Frontend Engineer to build scalable enterprise applications and shared frontend platforms. You will lead frontend architecture and standards across regional teams, delivering modular, reusable code and SDKs for multiple products.

The role demands deep experience with React, TypeScript, and modern frontend tooling, plus an ability to collaborate across engineering, product, and DevOps in a large enterprise environment.

Qualifications

• Strong hands-on experience with React and TypeScript.
• Experience designing scalable frontend architectures for enterprise apps.
• Familiarity with micro-frontend patterns and module federation.
• Knowledge of frontend performance optimization and observability.

Responsibilities

• Develop scalable frontend applications using React and TypeScript.
• Design and implement Micro-Frontend architecture using Module Federation or similar technologies.
• Define and establish frontend engineering standards and guidelines across teams.
• Build reusable SDKs, libraries, components, and platform contracts for multiple apps.
• Support multi-region product delivery via shared codebases and configurable solutions.
• Optimize frontend performance, rendering, scalability, and maintainability.

Skills

React

TypeScript

Micro-Frontend

Module Federation

Frontend performance

Tools

Webpack

Rspack

Rsbuild

Job description

We are looking for a Senior Frontend Engineer with strong expertise in React, TypeScript, and Micro-Frontend architecture to build scalable enterprise applications and shared frontend platforms.

Key Responsibilities

• Develop scalable frontend applications using React and TypeScript.
• Design and implement Micro-Frontend architecture using Module Federation or similar technologies.
• Define and establish frontend engineering standards, coding practices, and technical guidelines across teams.
• Build reusable SDKs, libraries, components, and platform contracts for multiple applications and teams.
• Support multi-region and multi-channel product delivery through shared codebases and configurable solutions.
• Optimise frontend performance, rendering, scalability, and maintainability.
• Work with modern frontend build tools such as Webpack, Rspack, Rsbuild, or similar.
• Collaborate with regional engineering, product, architecture, DevOps, and business teams.
• Prepare technical specifications and guidelines and drive adoption of engineering best practices.

Preferred Skills

• Experience with iOS/Android WebView, hybrid applications, or native bridge patterns.
• Exposure to frontend observability, performance monitoring, and error tracking.
• Understanding of enterprise frontend security, including CSP and cross-origin script loading.
• Experience working within CI/CD, governance, and compliance-driven enterprise environments.

Requirements

• Strong hands-on experience with React and TypeScript.
• Production experience with Micro-Frontends / Module Federation.
• Strong understanding of frontend architecture, performance, and type-system design.
• Experience creating shared frontend platforms, SDKs, or reusable libraries.
• Strong communication and collaboration skills with the ability to work independently in a large enterprise environment.

EA License Number: 23C2060 Registration ID is R22109715