# Haoyang Chen > Software Development Engineer at Zillow | Former SDE Intern at Zillow & Samsung SmartThings | Master of Computer Science | UCI, UW Alumni Location: Greater Seattle Area, United States Profile: https://flows.cv/haoyang I am a Master of Computer Science student at the University of California, Irvine. I obtained a Bachelor of Science's degree in Informatics with a focus on full-stack software engineering at the University of Washington. I specialize in full-stack software engineering (frontend/backend) and have built and deployed large-scale web and mobile applications for multiple enterprises, startups, and NGOs. I am passionate about developing mobile-first, user-friendly web applications. Through my previous internship experiences, I've developed my collaboration skills and learned how to enhance user experience to satisfy consumer requirements in real-world business situations. My exposure to these experiences has shaped me to be a more astute thinker and motivated me to explore full-stack software engineering further. I hope to utilize my skills to develop well-organized web apps and to improve client relationships and business performance in various industries. Tech Stacks: Frontend: JavaScript, TypeScript, React, React Hooks, Redux, Gatsby.js, Next.js, Vue.js, Nuxt.js, Bootstrap, jQuery, HTML5, CSS3/SASS, Gulp, Webpack, D3.js Backend: Java, Spring Boot, Node.js, Express, C/C++, Golang, Python, Django, GraphQL Database: MySQL, MongoDB Mobile: React Native, Android, Kotlin Infrastructures: AWS, Docker, Kubernetes, CircleCI Data Science: R, Python Version Control Tools: Git ## Work Experience ### Software Development Engineer @ Zillow Jan 2023 – Present | Seattle, Washington, United States ### Software Development Engineer Intern @ Zillow Jan 2022 – Jan 2022 | Seattle, Washington, United States • Built tour request confirmation screen to enhance rental shopping experience via React, Redux, Storybook, and TypeScript • Established A/B testing on the confirmation pages and performed the unit test with Enzyme & Jest on CTA components • Delivered and maintained internal technical documentation to enhance team productivity • Ran through the entire CI/CD pipelines and shipped UI improvements to production, serving millions of IOS users to improve rental search ### Software Engineer Intern - Samsung SmartThings @ SmartThings Jan 2021 – Jan 2021 | Mountain View, California, United States • Built a web certification console with server-side rendering web technology (Next.js) and styled-jsx to allow partners to submit products for certification • Fetched brand data from backend API to populate data table and allow users to view, update, or delete a specific brand • Implemented brand creation flow with drag and drop file upload and form submission functionality • Worked with senior SWE mentors to track tasks with Jira and utilized CircleCI to streamline build, test, and deployment • Increased test coverage by writing unit tests for UI components via React Testing Library & TypeScript • Adopted cloud and containerization technology, and module bundlers tool (Webpack) to optimize SEO, load performance, and overall user experience of the web application ### Lead Software Engineer (Volunteer) @ International Family Union Jan 2019 – Jan 2021 | Remote • IFU is a registered Non-Governmental Organization (NGO) in the U.S., actively connecting and serving international students and their families. The organization gathered more than 300 student volunteers covering 26 top universities in the U.S., Canada, the U.K., France, and Singapore • Served as the Cofounder and Director of Information Technology of the University of Washington chapter • Led the development team to build a responsive, multilingual website using Vue.js from scratch and deployed the application using Vercel to serve 20K+ international students and families for solving overseas safety issues and information asymmetry • Migrated the web application from Vue CLI to Nuxt.js for server-side rendering and SEO • Collaborated with UI designers to design 25 responsive interfaces through Figma to enhance the user experience • Improved website load time from 6.5s to 1.4s through utilizing lazy loading, CDN, and caching ### Co-Founder & Director of IT at UW Chapter @ International Family Union Jan 2017 – Jan 2019 | Seattle, Washington, United States • Maintained an online platform that provides parents of international students with sufficient information for fostering their communication with the school and reducing their doubts • Led the tech team to photograph and record campus life, IFU parents conference, and IFU college carnival events to disseminate school-related information to parents ### Software Engineer (Sponsored Capstone Project) @ Aghaz Investments Jan 2021 – Jan 2021 | Seattle, Washington, United States • Develop the official corporate cross-platform mobile app to help value-based customers improve financial health and well-being so that they can invest and save for their goals in a manner that aligns with their beliefs • Written in React Native, use Amazon RDS, AWS Amplify, and Node.js to build the backend service • Implemented the landing page from scratch using Gatsby.js and used Vercel for automatic site deployment ### Software Engineer (Sponsored Project) @ NewPoint.io Jan 2021 – Jan 2021 | Seattle, Washington, United States • Develop a virtual job fair web application remotely using React, Redux, and React Router to help facilitate job placement • Implement JWT authentication with Auth0 and Lambda proxy integration for user login • Work with serverless backend (DynamoDB, API Gateway, Lambda) and Chime SDK for API request and video chat ### Software Engineer Intern @ Grush: The Gaming Toothbrush for Kids Jan 2020 – Jan 2020 | Remote • Built the official company website remotely using HTML5, Sass, jQuery, and Bootstrap • Utilized i18next to detect user language and cache the translations for displaying multiple languages • Ensured the responsiveness of the website by utilizing media queries and the mobile-first approach • Implemented interactive world map to show the company sourcing locations • Improved website loading speed from 7.2s to 2.7s by minimizing HTTP requests with Webpack ### Software Engineering Intern @ NewDo Venture Jan 2020 – Jan 2020 Frontend: • Led the intern development team to develop an enterprise-level mobile application using React Native from scratch remotely, supporting user login, balance checking, bills payment, maintenance requests submission, and event announcement • Implemented authentication flows with JWT & AsyncStorage and maintained the state of the application using React Context API • Coded UI design to pixel-perfect application and utilized React Navigation to configure complex transition between screens and manage navigation history • Utilized Expo SDK to gain device functionality such as camera, notifications, image picker, and calendar and used third-party API Stripe to process payment • Utilized Fetch API to customize the HTTP request for sending forms/files and retrieving data from the REST API to populate the app content • Implemented and deployed potential renter facing web application using JavaScript • Worked on scaling pieces of infrastructures including search, filter, and SEO to support ever-growing experience inventory Backend: • Designed and built REST APIs using Spring Boot & MyBatis and deployed the application with Swagger documentation on AWS EC2 instance using Docker • Worked with database team to design database schemas and connect to MySQL DB instance using Amazon RDS • Built backend services and used Twilio SendGrid Email API to automate the process of sending tour booking confirmation, generating verification code & forgot password email, and submitting contact us form • Conducted backend RESTful Service Unit Testing with JUnit and frontend Unit Testing with Jest ### Software Engineering Intern @ Shanghai Zhaogang Netcom Corporation Limited Jan 2018 – Jan 2018 | Shanghai City, China • Zhaogang.com is the biggest e-commerce platform for the steel industry in China, and it has become a leading enterprise in the domestic Internet companies • Developed the frontend for the homepage and 9 subpages of a large-scale corporate website, including a majority of the CRM and order management system using HTML5, Sass, jQuery, and Bootstrap • Worked alongside two SWE mentors through the entire software development lifecycle from UX mockups to QA and final deploy • Enhanced cross-browser compatibility by using consistent, responsive Sass • Collaborated with the development team to turn UX mockups into production code and troubleshoot JavaScript errors • Improved the website loading speed from 4.1s to 2.9s through implementing CDN, using image sprites, minifying assets, and removing outdated plugins; automated optimization process using Gulp.js ## Education ### Master's degree in Computer Science UC Irvine Jan 2021 – Jan 2022 ### Bachelor of Science - BS in Informatics University of Washington Jan 2017 – Jan 2021 ### High School Diploma Montverde Academy Jan 2014 – Jan 2017 ## Contact & Social - LinkedIn: https://linkedin.com/in/haoyang-chen0901 --- Source: https://flows.cv/haoyang JSON Resume: https://flows.cv/haoyang/resume.json Last updated: 2026-03-29