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Hi, I'm Bob Zhang, a results-driven React Native Engineer passionate about building performant and user-friendly mobile applications. I specialize in developing apps that are clean, practical, and maintainable, and I enjoy collaborating with cross-functional teams to bring projects from concept to deployment. With strong experience in React Native, JavaScript, and backend integrations like GraphQL and Firebase, I am dedicated to leveraging technology to deliver meaningful real-world impact through innovative mobile solutions.…Hi, I'm Bob Zhang, a results-driven React Native Engineer passionate about building performant and user-friendly mobile applications. I specialize in developing apps that are clean, practical, and maintainable, and I enjoy collaborating with cross-functional teams to bring projects from concept to deployment. With strong experience in React Native, JavaScript, and backend integrations like GraphQL and Firebase, I am dedicated to leveraging technology to deliver meaningful real-world impact through innovative mobile solutions.

Bob Zhang

Developer, Programmer, App Developer, +1

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Hi, I'm Bob Zhang, a results-driven React Native Engineer passionate about building performant and user-friendly mobile applications. I specialize in developing apps that are clean, practical, and maintainable, and I enjoy collaborating with cross-functional teams to bring projects from concept to deployment. With strong experience in React Native, JavaScript, and backend integrations like GraphQL and Firebase, I am dedicated to leveraging technology to deliver meaningful real-world impact through innovative mobile solutions.…Hi, I'm Bob Zhang, a results-driven React Native Engineer passionate about building performant and user-friendly mobile applications. I specialize in developing apps that are clean, practical, and maintainable, and I enjoy collaborating with cross-functional teams to bring projects from concept to deployment. With strong experience in React Native, JavaScript, and backend integrations like GraphQL and Firebase, I am dedicated to leveraging technology to deliver meaningful real-world impact through innovative mobile solutions.

Available to hire

Hi, I’m Bob Zhang, a results-driven React Native Engineer passionate about building performant and user-friendly mobile applications. I specialize in developing apps that are clean, practical, and maintainable, and I enjoy collaborating with cross-functional teams to bring projects from concept to deployment.

With strong experience in React Native, JavaScript, and backend integrations like GraphQL and Firebase, I am dedicated to leveraging technology to deliver meaningful real-world impact through innovative mobile solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

React Native Developer at Trackday

January 1, 2025 - Present

Developed and maintained cross-platform mobile applications using React Native. Collaborated closely with UI/UX designers and product teams to develop and refine features. Managed GraphQL integration for both mobile and web platforms. Worked with databases and cloud platforms to ensure scalability and performance across devices and browsers. Technologies used include React Native Expo, JavaScript, GraphQL, Firebase, and AWS.

React Native Developer at Zhongfu Focus Trade Co., Ltd.

November 30, 2024 - August 1, 2025

Developed and integrated GraphQL for product listings, order tracking, and secure payment processing. Collaborated with UI/UX designers to implement responsive front-end components. Optimized app performance by reducing bundle size, implementing lazy loading, and caching frequently accessed data. Deployed the app via Google Play Store and Apple App Store, leveraging CI/CD pipelines for automated builds and updates. Technologies used included React Native Expo, TypeScript, Redux Toolkit, Firebase, GraphQL, Jest, and Detox.

Software Engineer at Wildlife Mobile Application

July 31, 2023 - August 1, 2025

Developed and designed a mobile application focused on wildlife, showcasing expertise in full-stack development. Implemented a highly responsive and visually appealing user interface, ensuring seamless user experience across various device sizes. Developed interactive maps using React Native Maps and integrated Google Cloud map services for enhanced search and location capabilities. Implemented an animal image recognition feature using Google Cloud Vision AI.