Frontend Engineer II — Mobile Web & UI Performance

Global Sports Jobs Limited; Kuala Lumpur; On-site; MYR 120,000 - 160,000; Full time

Job summary

Global Sports Jobs Limited in Kuala Lumpur seeks an experienced frontend engineer to lead mobile web interfaces, focusing on performance, UI state, and API integration. You will mentor juniors, collaborate with designers and backend engineers, and own medium-to-large feature modules using React, TypeScript, Node.js, GSAP, Redis, and HTML5 Canvas.

This onsite role offers the chance to shape frontend architecture and deliver high-quality user experiences while working closely with product and

Qualifications

• 5+ years of professional software engineering experience in modern web development.
• Strong hands-on proficiency in JavaScript/TypeScript, HTML5/CSS3, responsive UI architecture, and client-side state management.
• Adaptability across web technologies and willingness to work across tech stack as needed.
• Proven track record of optimising client rendering performance and memory efficiency in mobile browsers.
• Experience with RESTful API integration, data sync, and automated testing (unit/integration/e2e).
• Strong product and UX sensitivity with a proactive frontend mindset.

Responsibilities

• Lead technical specification, UI state design, and task breakdowns for complex web modules; define clean API contracts.
• Architect fluid, responsive web interfaces and optimise rendering performance for mobile browsers.
• Contribute to fullstack workflows and backend API integrations when needed.
• Debug complex client and network issues using profiling tools to deliver root-cause analysis.
• Collaborate with product owners, UI/UX designers, and backend leads on feasibility and task complexity.
• Author automated test suites across frontend modules and API client logic.
• Conduct peer code reviews and mentor associate and junior engineers to uphold engineering standards.

Skills

JavaScript/TypeScript

Responsive UI architecture

Client-side state management

RESTful API integration

Unit/integration/e2e testing

Mentoring

Tools

React

Node.js

GSAP

Redis

HTML5 Canvas

Job description

Global Sports Jobs Limited in Kuala Lumpur seeks an experienced frontend engineer to lead mobile web interfaces, focusing on performance, UI state, and API integration. You will mentor juniors, collaborate with designers and backend engineers, and own medium-to-large feature modules using React, TypeScript, Node.js, GSAP, Redis, and HTML5 Canvas.

This onsite role offers the chance to shape frontend architecture and deliver high-quality user experiences while working closely with product and