Senior Frontend Developer

Senior Frontend Developer / UI Engineer

Location: Kuala Lumpur, Malaysia
Employment Type: Full-Time / Contract
Experience: 5–8+ years
Nationality: Malaysian Citizens Only

Job Overview

We are looking for a highly skilled Senior Frontend Developer / UI Engineer to build scalable, high-performance, and modern web applications.

This is a hands-on engineering role for someone who can take ownership of frontend architecture, complex UI development, performance optimisation, reusable component design, and integration with backend services.

The ideal candidate should have strong expertise in React/TypeScript, modern frontend architecture, API integration, and enterprise-grade UI engineering.

Key Responsibilities

• Design, develop, and maintain scalable, responsive, and high-performance web applications.
• Take ownership of frontend architecture and technical implementation.
• Build reusable, maintainable, and modular UI components.
• Develop complex user interfaces using React.js and TypeScript.
• Integrate frontend applications with RESTful APIs and backend services.
• Implement state management and efficient data handling.
• Optimise applications for performance, scalability, accessibility, and cross-browser compatibility.
• Translate UI/UX designs and business requirements into high-quality production-ready interfaces.
• Develop responsive applications across desktop, tablet, and mobile platforms.
• Implement frontend security best practices.
• Conduct code reviews and maintain high coding standards.
• Write unit, integration, and component tests.
• Troubleshoot complex frontend issues and perform root-cause analysis.
• Collaborate closely with UI/UX designers, backend engineers, QA engineers, architects, and product teams.
• Contribute to frontend technical standards, architecture decisions, and development best practices.
• Mentor junior developers and provide technical guidance.
• Participate in Agile ceremonies, sprint planning, estimation, and technical discussions.

Required Technical Skills

• Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or related field.
• 5–8+ years of professional frontend development experience.
• Strong hands-on expertise in:
• React.js
• TypeScript
• JavaScript / ES6+
• HTML5
• CSS3
• Strong understanding of frontend architecture and design patterns.
• Experience building reusable component libraries and design systems.
• Strong experience with REST APIs and JSON-based integrations.
• Experience with state management such as Redux, Zustand, Context API, or equivalent.
• Strong knowledge of responsive design and browser compatibility.
• Experience with Git and modern development workflows.
• Good understanding of frontend build tools such as Vite, Webpack, or equivalent.
• Experience writing automated frontend tests using tools such as Jest, React Testing Library, Cypress, or Playwright.

Tough / Niche Technical Skills

Candidates with experience in the following will be strongly preferred:

• Micro-frontend architecture
• Design systems and reusable UI component libraries
• Web performance optimisation and Core Web Vitals
• Server-side rendering / SSR using Next.js
• Advanced TypeScript and frontend architecture
• WebSockets / real-time applications
• OAuth 2.0 / OpenID Connect and frontend security
• Accessibility standards such as WCAG
• CI/CD pipelines for frontend applications
• Docker and cloud-based deployment environments
• Experience integrating complex enterprise APIs
• Experience working with AI-powered UI features or AI application interfaces is an advantage.

What We’re Looking For

We are looking for someone who can go beyond simply converting designs into screens.

The successful candidate should be able to make technical decisions, design frontend architecture, solve complex UI problems, optimise performance, review code, and own frontend delivery from development through production.

Key Skills

React.js | TypeScript | JavaScript | Next.js | Frontend Architecture | UI Engineering | Design Systems | Micro-Frontends | REST APIs | State Management | Web Performance | Automated Testing | Accessibility | CI/CD | Git | Responsive Design | Enterprise Applications

Pay: RM6,000.00 - RM10,600.81 per month

Work Location: In person