Expert Frontend Engineer (React.js & React Native)

About the role

The company is looking for an Expert Frontend Engineer to provide technical leadership across web and mobile. You will drive the architecture, scalability and performance of next-generation user interfaces using React.js and React Native, influence cross-team technical direction, mentor engineers and define best practices. The role suits a highly experienced frontend engineer who builds high-quality, maintainable and engaging user experiences at scale.

Key responsibilities

• Design and review scalable, high-performance, maintainable frontend systems for web and mobile, ensuring consistency, responsiveness and accessibility across devices.
• Act as a frontend domain expert, guiding multiple teams on architecture, design reviews and technology evaluations.
• Translate product and business goals into scalable frontend architectures.
• Build reusable UI components and design systems.
• Define and enforce standards, tooling and best practices in performance monitoring, test automation, CI/CD, accessibility and cross-platform deployment.
• Mentor engineers, lead knowledge sharing and foster a collaborative engineering culture.

Required profile

• Bachelor's degree in computing, software engineering, IT or a related field.
• Minimum 8+ years building large-scale frontend systems, with expertise in web (React.js) and mobile (React Native).
• Proven ability to design scalable, performant frontend architecture, including mobile-web integration, micro-frontends and offline support.
• Experience setting coding standards, CI/CD pipelines, design system governance and performance monitoring.
• Fluency in written and spoken English; Mandarin fluency is highly desirable for working with Chinese-speaking clients.

Required skills

• JavaScript/TypeScript, React.js, React Native, Redux/Zustand, Next.js, Expo/Metro bundler.
• Ability to make technology choices based on UX insights, system constraints and long-term business value.

What we offer

• Authority to lead frontend system architecture and shape the cross-platform UI strategy.
• Collaboration with senior engineers, designers and product leaders.
• A knowledge leadership role with mentorship and best-practice development.