React, React Native, Node.js, Frontend, Mobile
Resume:
S E N I O R F R O N T E N D D E V E L O P E R
S K I L L S
S U M M A R Y
W O R K E X P E R I E N C E
STEPHEN Y FUNG
Highly skilled and experienced senior frontend developer with 10+ years of experiences and a strong focus on React and React Native, seeking challenging opportunities to leverage my expertise in building scalable and user-centric web and mobile applications. Committed to delivering high-quality code, driving innovation, and collaborating with cross-functional teams to achieve project success. *****************@*****.***
Morganville, NJ linkedin.com/in/stephen-y-fung
JavaScript (ES6+), Typescript
React and React Native
Redux, Redux-Saga, Redux-Thunk
UI/UX principles, Responsive design
Webpack, Babel, NPM/Yarn
RESTful API, GraphQL
Next.js, Angular.js, Node.js, Express.js
MongoDB, MySQL, PostgreSQL, Firebase
Deployed a large-scale e-commerce platform using React and React Native, supporting thousands of products and handling high user traffic and responsible for building on both Android and iOS, deploying it to play store and app store. Implemented important features like payment gateways, product catalogs and real time updates using Firebase database and other third party libraries.
Enhanced a comprehensive suite of unit tests and end-to-end tests using Jest and Detox for a React e-commerce platform, achieving 95% code coverage and significantly reducing production bugs. Conducted code reviews provide feedback to improve code quality with designers and backend engineers and participated in daily standup on agile development environments.
Built cross-platform mobile Apps and architectured the features of PWAs like offline functionality, smooth performance, app-like exerience using local storage, cache, service workers and other technologies. Optimized the loading time of project by implementing code splitting, lazy loading, and image compression techniques, resulting in a 30% improvement in initial load speed.
Designed well-structured state management libraries to ensure efficient complex platform data flows using React Hooks, Redux-Saga and React Thunk.
Wrote the custom components for UX-Library consisting of Accordion, Filter, Dropdown, and Checkbox and custom plugins to connect with other third party libraries.
Architected, created, and maintained several internal tools used by the engineering and design departments of the team, ranging from full-stack projects to front-end single-page applications(SPA) driven by APIs. Built the Android & iOS version of food delivery app using React-Native. Contributed extensively to the bug-fixing for existing mobile application with React Native . Reduced the time spent on development by 73% by creating maintainable reusable components. Optimized website performance by 25% using GraphQL and Apollo Client. Senior Front-end Developer
React & React Native Developer
React Native Developer
Textio Seattle, WA • 09/2021 - 09/2023
Sparq Atlanta, GA • 09/2018 - 07/2021
Mapbox San Francisco, CA • 05/2016 - 08/2018
Jest, Mocha, Chai
Azure, AWS, Docker/Kubernetes,
Jenkins, CI/CD
Teamwork, Problem Solving Skills
Bachelor’s Degree in Computer Science
E D U C A T I O N
Part of a team that would plan, develop, and create web-and-mobile-based applications to match the needs of healthcare clients. Hands-on experiences of Android and iOS Mobile applications using Java and Swift and releasing to product store. Often asked to accompany company sales professionals to client meetings to answer technical questions. Mobile & Front-end Developer
Teladoc Health Purchase, NY • 10/2012 - 04/2016
Shanghai Jiao Tong University, 04/2007 - 03/2010
Wrote rich front-end interfaces for online applications and websites for large clients in industries including medical, insurance, and technology
Launched HTML, CSS, and JavaScript to create 100+ responsive landing pages for both company and client. Junior Front-end Developer
Caresource Dayton, OH • 09/2011 - 10/2012
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