SUMMARY:

• 6 years software development experience in JavaScript and knowledge in multiple programing languages
• Developed reusable component with both React class Component and React functional component
• Maintained React workflow by using lifecycle function , and hooks
• Designed more complicated Component by using higher - order components as an alternative to inheritance
• Utilized virtual DOM (VDOM), a React core feature, to accelerate render process and avoid unnecessary re-render
• Worked on JSX to build fancy and user-friendly UI
• Applied ESLint to ensure JavaScript code in maintainable and readable way
• Designed and developed single-page web application with React Router
• Managed cross-page data and HTTP requests with Redux and Axios
• Implemented async actions in Redux by Using Redux middleware Thunk
• Optimized and beatified web application and component with HTML5 , CSS3 , and several UI libraries, such as Material UI , Ant Design , and Bootstrap
• Developed server to handle HTTP requests Using Node.js and Express.js
• Designed NoSQL database ( MongoDB) schema and performed CRUD operations
• Utilized SQL database to ensure data consistency
• Implemented REST APIs which allows applications perform CRUD operation through HTTP requests
• Developed Discord robot by using Discord.js to help channel owner manage their channel in easy and fancy way
• Designed and developed a Neural Network for EEG signal classification in MATLAB
• Experience in voice recognition using Python , NumPy , and TensorFlow
• Experience in deploying web applications on AWS
• Involved in web and Bluetooth-controlled iOS native application development using Objective-C
• Designed, developed, and built a Bluetooth controlled toy car with several sensors using single-chip microcomputer with C
• Knowledge in FPGA with Verilog
• Experience in using version control tools ( GitHub )
• Experience in using Mac OS X , Linux , and Windows
• Faster learner and excellent problem-solving skill

TECHNICAL SKILLS:

• JavaS cript
• React
• Redux-Thunk
• HTML5
• CSS3
• SQL and NoSQL database
• AWS
• Objective-C
• MATLAB
• C
• Python
• Verilog
• LaTex
• Microsoft Word
• Microsoft Excel
• Microsoft PowerPoint.

PROFESSIONAL EXPERIENCE:

Confidential, Portland, OR, USA

Full stack Developer

Technologies: JavaScript, HTML5, CSS3, React hooks, MongoDB, Redux, Agile, Express, REST API.

Responsibilities:

• Built a webpage in JSX and HTML5 , implemented functions with JavaScript , and adjusted layout with CSS3 .
• Designed and developed application architecture before coding, such as defining components hierarchy using React and data structure with JavaScript between server-side and client-side.
• Adopted React router to construct a single-page application, which provided users a seamless and user-friendly experience during switching pages.
• Developed pages and reusable components (such as button, list, and photo box, etc.) in React functional component and maintained workflow by using lifecycle hooks .
• Worked on React state hook to manage status of controlled component , such as visibility of a modal, and accessibility of a button.
• Utilized React props to transfer necessary data from parent component to child component.
• Implemented Infinite scroll to enable a more nature and convenient experience.
• Adopted semantic elements to improve accessibility for different users.
• Managed global data and async actions (fetching data from service) in Redux (tested in Redux DevTools ) to improve the application’s performance and separate data from UI components.
• Implemented async actions in Redux by Using Redux middleware Thunk and Axios library.
• Checked authentication by using React lifecycle hook and Redirect method to prevent unauthorized visiting.
• Optimized layout with CSS3 and Ant Design and tested functions, performance, and accessibility using HTML5 .
• Developed server with Node.js and Express.js to provide support for the front-end part.
• Utilized Express.js router to dealing with different incoming http requests.
• Implemented file read/write system in Node.js to read and save uploaded members’ avatar or photo in server’s local folder and store URL in database.
• Designed member schema and developed database in NoSQL database MongoDB for fast read/write operation and Utilized Mongoose to manipulate the database.
• Improved MongoDB visiting performance by applying a populate function to avoid repeated database visit for related information.
• Developed REST API based on predefined data structure and database schema and tested in Postman to provide access to front-end.
• Managed the project development using Agile .

Confidential, Portland, OR, USA

Front End developer

Technologies: JavaScript, HTML5, CSS3, React, MySQL, React-vis, Express, socket.io, REST API, AWS, MATLAB.

Responsibilities:

• Built a webpage in JSX and HTML5 , implemented functions with JavaScript , and adjusted layout with CSS3 .
• Designed and developed reusable UI components using React class components .
• Maintained react workflow and improved performance by using React lifecycle function and virtual DOM.
• Implemented upload function by using React state for temporary store, and Axios library for http upload.
• Beatified layout with CSS3 , HTML5 , and Material UI .
• Adopted Polyfill library to improve compatibility for different browsers.
• Developed minimized and user-friendly data visualization system with React-vis and JavaScript .
• Wrote code in Node.js to handle data on back-end.
• Utilized Express.js to construct the server and handle different http requests.
• Developed a file system for accepting uploaded voice records by using Node.js library multer.
• Verified, normalized, and extracted features from uploaded voice records using JavaScript in Node.js .
• Adopted JSON form as a middle data type to communicate between Node.js and MATLAB .
• Designed, developed, and trained neural network model in MATLAB .
• Generated distributed numerical applications through MATLAB Runtime .
• Designed schema and implemented database in SQL database MySQL .
• Deployed database on Amazon RDS for easy management and fast storage.
• Adopted Node.js library MySQL to manipulate database and store features for each record in database.
• Developed http request API based on RESTful API to provide a fast and efficient path for file upload.
• Tested and debugged API with Postman .
• Developed real-time chat room for users to discuss and get help by using socket.io .
• Dealt CORS issue by proxying request in development phase.
• Managed the project development using Agile .

Confidential

Software Engineer

Technologies: JavaScript, HTML, CSS, Bootstrap, Cordova, MySQL, AWS, GitHub, C.

Responsibilities:

• Designed and developed multi-page web applications with HTML , CSS , and JavaScript .
• Constructed web page content with HTML .
• Optimized and beatified layout with CSS and Bootstrap to make UI user-friendly and easy to use.
• Developed page functions, such as button event and real-time data display, using JavaScript .
• Implemented Bluetooth communication by using JavaScript and Cordova framework , which provides API to access modules on smart phones.
• Developed a data process system with JavaScript to process data from sensors on the toy car.
• Developed toy car control system with C on Intel MCS-51 .
• Implemented sensor system and Bluetooth communication system with C .
• Designed and developed server with Node.js to distribute web applications.
• Deployed server on Tencent Cloud for high stability and maintainability.
• Designed schema and developed SQL database MySQL to store users’ settings.
• Managed project with GitHub .