86 React Developer jobs in Hong Kong

My client has a team that designs, develops, maintains, and improves software for various venture projects initiatives that are adjacent to their core business and are bootstrapped quickly with a lean team. You will be actively involved in designing various components behind scalable applications, from frontend UI to backend infrastructure.

Responsibilities

• Design, develop, and maintain robust mobile applications using React
  
  Native.
• Implement and integrate RESTful APIs and Websockets for real-time data
  
  exchange.
• Collaborate with cross-functional teams to define, design, and deliver
  
  new features.
• Understand and optimize the bridge between React Native and native
  
  modules (iOS/Android).
• Ensure high performance, quality, and responsiveness of applications.
  
  Write clean, maintainable code following best practices.
• Use Git for version control and participate in code reviews.
• Develop, maintain, and execute unit and end-to-end (e2e) test cases.
• Debug and fix issues, optimize app performance, and continuously
  
  improve app usability.

Requirements

• Minimum 3 years of experience developing mobile applications using
  
  React Native.
• Proficient in JavaScript/TypeScript and React.
• Strong understanding of RESTful API integration and WebSocket
  
  communication.
• Experience bridging React Native with native code or modules.
• Familiarity with version control systems, particularly Git.
• Knowledge of unit testing (e.g., Jest) and end-to-end testing (e.g., Detox).
• Ability to solve complex problems and communicate technical
  
  information clearly.

A focus on producing high-quality code and exceptional user experiences

Good to Have

• Experience in native iOS (Swift/Objective-C) and/or Android (Java/Kotlin)
  
  development.
• Understanding of mobile app release procedures in App Store and Google
  
  Play.
• Familiarity with modern architecture patterns and state management
  
  (e.g., Redux).
• Experience with AI code generation tools. (e.g. Amazon Q Developer,
  
  github copilot , aider)

React Native
React

Our client is One of the Largest Crypto Platforms in the world. They are currently in search of multiple Senior Mobile Developers for one of their core application teams in Hong Kong ( Note: they are also open to considering suitable talents based in Shenzhen, Taipei, and Singapore).

Selected candidates would be part of an innovation-driven team, contributing towards some of the company's key AI-centric initiatives.

• Build scalable mobile applications using React Native
• Integrate RESTful APIs and Websockets
• Work closely with cross-functional teams to develop new features
• Optimize bridge between React Native and native modules
• Follow best practice coding methods to ensure high performance and quality
• Take ownership of code reviews
• Write end-to-end test cases and use Git for version control
• Debug and fix issues to improve app usability

• 3+ years of practical working experience developing mobile apps using React Native
• High proficiency in JavaScript/TypeScript (React is a plus)
• Deep knowledge in RESTful API integration
• Experience bridging hybrid code with native code
• Familiar with Git
• Hands-on experience with unit testing
• A proactive and analytical mind capable of solving complex problems
• Professional level of Spoken & Written skills in English and Chinese (Mandarin is a must)

Our client is
One of the Largest Crypto Platforms in the world
. They are currently in search of multiple
Senior Mobile Developers
for one of their core application teams in Hong Kong
(
Note:
they are also open to considering suitable talents based in Shenzhen, Taipei, and Singapore).

Selected candidates would be part of an innovation-driven team, contributing towards some of the company's key AI-centric initiatives.

Responsibilities:

• Build scalable mobile applications using React Native
• Integrate RESTful APIs and Websockets
• Work closely with cross-functional teams to develop new features
• Optimize bridge between React Native and native modules
• Follow best practice coding methods to ensure high performance and quality
• Take ownership of code reviews
• Write end-to-end test cases and use Git for version control
• Debug and fix issues to improve app usability

Requirements:

• 3+ years of practical working experience developing mobile apps using
  React Native
• High proficiency in JavaScript/TypeScript (React is a plus)
• Deep knowledge in RESTful API integration
• Experience bridging hybrid code with native code
• Familiar with Git
• Hands-on experience with unit testing
• A proactive and analytical mind capable of solving complex problems
• Professional level of Spoken & Written skills in
  English and Chinese (Mandarin is a must)

We are looking for a skilled
UX/UI Developer / Senior
who has experience designing and building interfaces for trading applications. The right person will understand how traders work and what they need, and can turn those needs into simple, effective designs. You will work closely with traders, product managers, and engineers to create user-friendly solutions that help traders make quick decisions in fast-paced environments.

Key Responsibilities

Trader-Centric Design

• Work directly with traders to see how they work and find out their needs.
• Quickly create and test UI/UX designs that make trading easier and faster.
• Turn complex trading ideas into easy-to-use interfaces.

UI Development & Implementation

• Build responsive and high-quality interfaces using modern frameworks like frontend, Angular, or
• Make sure UI components work well with real-time data (like charts and order books).
• Work with backend engineers to connect APIs and data feeds to the front-end

UX Research & Testing

• Run testing sessions with traders to check designs and gather feedback.
• Analyze data and trader behaviour to improve interfaces.
• Promote best practices in UX while considering technical needs.

Required Skills & Qualifications

Experience

• 3+ years of UX/UI development experience, especially in trading applications (like stocks, forex, or crypto).
• Proven ability to work directly with traders to meet their needs.
• Portfolio showing examples of trading interfaces (like dashboards and order tickets).

Technical Skills

• Strong skills in HTML5, CSS3, JavaScript/TypeScript, and modern front-end frameworks (React preferred).
• Experience with real-time data visualization tools (like or Highcharts).
• Knowledge of techniques for low-latency UI performance.

Domain Knowledge

• Good understanding of trading processes (like order management and market analysis).
• Familiarity with financial markets and trading terminology.

Soft Skills

• Quick problem-solver who can identify trader issues and offer solutions.
• Strong communication skills to connect with both traders and engineering teams.
• Detail-oriented with a focus on usability and performance.

Overview

Our client is One of the Largest Crypto Platforms in the world . They are currently in search of multiple Senior Mobile Developers for one of their core application teams in Hong Kong. They are open to considering suitable talents based in Shenzhen, Taipei, and Singapore.

Selected candidates would be part of an innovation-driven team, contributing towards some of the company's key AI-centric initiatives.

• Build scalable mobile applications using React Native
• Integrate RESTful APIs and Websockets
• Work closely with cross-functional teams to develop new features
• Optimize bridge between React Native and native modules
• Follow best practice coding methods to ensure high performance and quality
• Take ownership of code reviews
• Write end-to-end test cases and use Git for version control
• Debug and fix issues to improve app usability

• 3+ years of practical working experience developing mobile apps using React Native
• Deep knowledge in RESTful API integration
• Experience bridging hybrid code with native code
• Familiar with Git
• Hands-on experience with unit testing
• A proactive and analytical mind capable of solving complex problems
• Professional level of Spoken & Written skills in English and Chinese (Mandarin is a must)

• Mid-Senior level

• Full-time

• Information Technology

Our client is One of the Largest Crypto Platforms in the world . They are currently in search of multiple Senior Mobile Developers for one of their core application teams in Hong Kong. They are open to considering suitable talents based in Shenzhen, Taipei, and Singapore.

Selected candidates would be part of an innovation-driven team, contributing towards some of the company's key AI-centric initiatives.

• Build scalable mobile applications using React Native
• Integrate RESTful APIs and Websockets
• Work closely with cross-functional teams to develop new features
• Optimize bridge between React Native and native modules
• Follow best practice coding methods to ensure high performance and quality
• Take ownership of code reviews
• Write end-to-end test cases and use Git for version control
• Debug and fix issues to improve app usability

• 3+ years of practical working experience developing mobile apps using React Native
• Deep knowledge in RESTful API integration
• Experience bridging hybrid code with native code
• Familiar with Git
• Hands-on experience with unit testing
• A proactive and analytical mind capable of solving complex problems
• Professional level of Spoken & Written skills in English and Chinese (Mandarin is a must)

• Mid-Senior level

• Full-time

• Information Technology

Join a high-impact, financial digital transformation project—one of the largest and most critical financial infrastructure initiatives in Hong Kong. This long-term (10+ year) platform is revolutionizing how citizens manage their financial data, with a strong focus on security, scalability, and user empowerment.

Managed by top-tier financial institutions, this project offers a rare opportunity to work on a stable, large-scale system with cutting-edge technology and a collaborative team of experts.

Key Responsibilities:

• Develop and maintain Websites using React JS for a high-availability financial platform.
• Collaborate with backend teams (Java/Spring Boot, Kafka, Kubernetes) to integrate APIs and ensure seamless data flow.
• Work in an Agile environment with CI/CD pipelines for smooth deployment cycles.

Requirements:

• Proven experience with React JS Website development
• Developed and shipped at least one E-commerce related platform at medium to big scale
• Proven experience in a software engineering/development and design
• Experience with high-volume personalized, player facing software systems
• Experience working in agile environment

Join a high-impact, financial digital transformation project—one of the largest and most critical financial infrastructure initiatives in Hong Kong. This long-term (10+ year) platform is revolutionizing how citizens manage their financial data, with a strong focus on security, scalability, and user empowerment.

Managed by top-tier financial institutions, this project offers a rare opportunity to work on a stable, large-scale system with cutting-edge technology and a collaborative team of experts.

Key Responsibilities:

• Develop and maintain cross-platform mobile applications using React Native / React / Typescript for a high-availability financial platform.
• Collaborate with backend teams (Java/Spring Boot, Kafka, Kubernetes) to integrate APIs and ensure seamless data flow.
• Work in an Agile environment with CI/CD pipelines for smooth deployment cycles.

Requirements:

• Proven experience with cross-platform mobile application development with iOS and/or Android
• Proven experience with React Native mobile development
• Developed and shipped at least one consumer-based mobile application at medium to big scale
• Proven experience in a software engineering/development and design
• Experience with high-volume personalized, player facing software systems
• Experience working in agile environment

React Native Mobile Developer – Large Scale Digital Transformation Project

Join a high-impact, government-funded digital transformation project—one of the largest and most critical financial infrastructure initiatives in Hong Kong. This long-term (10+ year) platform is revolutionizing how citizens manage their financial data, with a strong focus on security, scalability, and user empowerment.

Managed by top-tier financial institutions, this project offers a rare opportunity to work on a stable, large-scale system with cutting-edge technology and a collaborative team of experts.

Key Responsibilities:

• Develop and maintain cross-platform mobile applications using React Native for a high-availability financial platform.
• Collaborate with backend teams (Java/Spring Boot, Kafka, Kubernetes) to integrate APIs and ensure seamless data flow.
• Work in an Agile environment with CI/CD pipelines for smooth deployment cycles.