Will Yu Email & Phone Number

Brooklyn, Ny, Us

Project 1: Used React to work on enhancing the user journey throughout the Etsy marketplace, focusing on the most visited pages for the Buyer Experience team. Make sure users have an easy and inspiring experience throughout their buying journey. Also, work to improve performance and architecture to pave the way for future product features.Project 2: Worked on accelerating product development at the Frontend Systems team. Make sure product teams have the tools and infrastructure they need to build and iterate on complex interfaces that impact both the developer experience and the end-user experience using •Developed clean, efficient web applications by using HTML5, CSS, JavaScript, and React.•Used React, Hooks, and JavaScript to be responsible for the maintenance and update of the main high-end customer backend product web pages.•Used ReactJS to create reusable components and containers. Creating front-end libraries and reusable code files for the company’s future products.•Specifically adjusted code to integrate Cross-Browser Compatibility.•Upgraded reusable React Custom React hooks.•Worked with React Flux, React-Draggable, and React-Router to improve application performance.•Understood the application scenarios of CSS Vendor Prefix and JavaScript Polyfill.•Usage of JSON for faster and more impulsive responses. •Test-driven development (TDD) with Jasmine and Jest for unit-testing•Discovered the cause of Git version control conflicts and resolved them.•Used UX-Library's component upgrades, icons, buttons, and multi-level drop-down menus.•Worked with the network team to improve the system response speed.•Continuously optimized the front-end layout and page response speed.

Austin, Texas, Us

Project 1: Worked on implementing new screens in the new Pricing React HTML5 UI platform. Work with server-side developers, quants, and traders on prototyping and designing new pricing models for linear and option pricing. Was responsible for the examination of existing trader spreadsheets to understand pricing logic, and then translating this logic to create functional technology UI solutions using ReactProject 2: Contributed to the internal bank savings project. The objective was to create a platform for experimental projects to manage savings. Built web applications to ensure the best user experience and highest workflow efficiency.•Worked on an Agile/Scrum Development Team to deliver regular updates to the business team and project managers.•Involved in designing web pages using HTML5, CSS3, JavaScript, Bootstrap, SASS, LESS, React, Redux, Flex, and MongoDB.•Implemented various screens for the front end using React and used various predefined components from NPM (Node Package Manager) and the Redux library.•Responsible for Style, look and feel of the web page with SASS that extends CSS with dynamic behavior such as variables, mixing, operations and functions.•Experience in RESTful web services to integrate between server side to client Side•Used Object Oriented Programming (OOP) concepts to develop UI components that could be reused across the Web Application.•Have worked on AWS to fetch the pictures files from AWS to UI.•Fetched data from internal and third-party RESTful APIs based on the business needs•Experience in working with GraphQL queries and using the Apollo GraphQL library.•Involved Webpack as a module bundler to preprocess and minify different files such as TypeScript and SASS files.

Framingham, Ma, Us

Project 1: Took part in the JavaScript starter app for building user interfaces for single-page applications using React JavaScript library. It is Target’s recommended tool for quickly developing and deploying the front-end of internal products. Was responsible for improving code quality and reducing decision fatigue for a community of front-end engineers to deliver products through a supported and shared experience. Project 2: As part of the bank authorization and prepaid services team, supported the acceptance of Target Debit Cards and checks by providing authorization decisions based on associated bank and ID data. The product also enables the business to manage its risk and profitability modeling within the application by modifying risk management criteria. •Implemented user interface guidelines and standards throughout the development and maintenance of the website using JavaScript, JQuery, CSS, and HTML.•Involved in writing application-level code to interact with APIs, and Web Services using AJAX, JSON, and XML.•Maintained 24/7 high volume availability using open source tools such as Linux, Apache, and MySQL.•Responsible for checking cross-browser compatibility and hence worked on different browsers such as Safari, Opera, Firefox, Google Chrome, and Internet Explorer.•Refactored and maintained the codebase from using JQuery to React•Set the RESTful API at the backend to deal with CRUD action in data while using Node.js and Express.Tested all the API calls by using Postman and make sure all API calls are satisfying all conditions.•Used MongoDB as the database and JavaScript library Mongoose to implement the application functionality CRUD (Create, Read, Update, Delete).•Used Git and SVN as the version control tools for the source code management