Senior Frontend Engineer: React/TS & Core Web Vitals

Career Flow; Subang Jaya; On-site; MYR 120,000 - 180,000; Full time

Job summary

Career Flow is hiring a Senior Frontend Developer to join our growing tech team in Malaysia. You will work with the CTO, frontend developers, product managers and UI/UX designers to build high-performance, SEO-friendly web applications using React, Next.js and TypeScript.

You’ll influence frontend architecture, improve testing and monitoring, and explore new technologies to improve product quality and developer experience.

Qualifications

• 4+ years of software engineering experience, frontend focus.
• Strong production experience with React and TypeScript.
• Experience with SSR/SSG/ISR rendering strategies.
• Solid knowledge of HTML, CSS and modern frontend practices.
• Good understanding of SEO, Core Web Vitals, accessibility and security.
• Experience implementing JWT/OAuth secure authentication.
• Strong frontend architecture experience and production systems.
• Ability to explain technical decisions and trade-offs clearly.
• Experience conducting code reviews and mentoring developers.
• Ability to estimate work reliably and apply best practices.
• Comfortable with AI-assisted development tools and code quality.

Responsibilities

• Build and maintain modern web applications with React, Next.js and TS.
• Develop with emphasis on performance, SEO and Core Web Vitals.
• Collaborate with Product, UI/UX and Engineering teams to deliver features.
• Contribute to frontend architecture and make technical decisions.
• Improve frontend monitoring, observability and tests.
• Review code and mentor teammates on engineering practices.
• Identify technical debt and propose architectural improvements.
• Evaluate new frontend frameworks and tools as needed.
• Leverage AI-assisted development while maintaining production quality.

Skills

React

TypeScript

SSR/SSG/ISR

HTML/CSS

SEO

Web accessibility

JWT/OAuth

Frontend architecture

Code reviews

AI-assisted tools

Tools

Next.js

Node.js

Playwright

Docker

Vercel

Job description

Career Flow is hiring a Senior Frontend Developer to join our growing tech team in Malaysia. You will work with the CTO, frontend developers, product managers and UI/UX designers to build high-performance, SEO-friendly web applications using React, Next.js and TypeScript.

You’ll influence frontend architecture, improve testing and monitoring, and explore new technologies to improve product quality and developer experience.