Senior React Architect & Frontend Engineer

Swap Asia; Petaling Jaya; On-site; MYR 90,000 - 130,000; Full time

Job summary

Swap Asia is seeking a skilled Front-end Engineer to lead the development of React web and mobile applications for Telco clients. You will help design scalable architectures, build reusable UI components, and collaborate with product and design teams to deliver high-quality software.

The role emphasizes technical leadership, testing strategies with Jest/Cypress, and integration with backend services via REST/GraphQL, while ensuring performance and security expectations are met.

Qualifications

• Degree in Computer Science, Information Technology, Software Engineering or a related discipline.
• Solid grasp of React principles, including functional components, JSX, hooks, and component lifecycle.
• Experience managing application state with Context API, Redux Toolkit, or Zustand.
• Experience consuming RESTful APIs or GraphQL endpoints with Axios or Fetch.
• Strong understanding of promises and async/await for front-end-back-end data flows.
• Proficiency with Git and collaborative workflows on GitHub/GitLab/Bitbucket.
• Familiarity with unit/integration testing and front-end test frameworks (Jest, RTL, Cypress).
• Excellent communication and stakeholder management; able to work independently on multiple integrations.
• Experience with CI/CD and deployment management is a plus.
• Knowledge of OCI, Azure or AWS is an advantage.
• Exposure to AI-assisted coding tools (e.g., Claude, Codex) is a plus.

Responsibilities

• Ground up development and maintenance of React web/mobile applications for Telco businesses.
• Architect scalable front-end structures and optimize performance for speed and scalability.
• Build, maintain, and document reusable UI components and front-end libraries.
• Provide technical leadership, review code, and mentor junior/mid developers.
• Collaborate with backend engineers to define API contracts and integrate REST/GraphQL services.
• Establish and enforce testing strategies using Jest or Cypress.
• Work with product managers and UX/UI designers to translate wireframes into high-quality code.
• Configure build tools (Webpack/Vite) and CI/CD pipelines for front-end assets.
• Conduct performance and security testing to ensure scalable apps.

Skills

React architecture

State management

API consumption

Async programming

Version control

Testing & debugging

Communication

Independent work

CI/CD deployment

Cloud platforms

AI coding tools

Education

Bachelor's degree in CS/IT/SE

Tools

Git

Jest

Cypress

Axios

GraphQL

REST API

Job description

Swap Asia is seeking a skilled Front-end Engineer to lead the development of React web and mobile applications for Telco clients. You will help design scalable architectures, build reusable UI components, and collaborate with product and design teams to deliver high-quality software.

The role emphasizes technical leadership, testing strategies with Jest/Cypress, and integration with backend services via REST/GraphQL, while ensuring performance and security expectations are met.