An Engineer, Student, Digital Creator, and sometimes, Activist.
Haoyu “Darren” Wang is a Tokyo-based Software Engineer and UC Berkeley graduate specializing in full-stack development, backend systems, platform reliability, and QA automation. He is also the co-founder of Lifewith# Studio, a multimedia workshop dedicated to amplifying minority voices and promoting diversity. His interests lie at the intersection of technology, filmmaking, and meaningful social impact.
Contribution Graph
Work Experience
Adventure, Inc.
Software Engineer — Full Stack / Platform / SRE
Held a cross-functional engineering role supporting skyticket, a domestic and international flight-booking platform. Contributed across full-stack development, backend automation, platform engineering, SRE, QA automation, and release-readiness validation within a 16-member Microservices engineering team.
Otterz.co
AI/Software Engineer Intern
• Designed and implemented an ontology in N-Quad format for mapping corporate tax forms using GPT-4o and Gemini, leveraging RDF for scalable data representation. Conducted in-depth research on IRS regulations, creating semantic rules for accurate filing requirements and enhancing data management efficiency through detailed technical documentation. Prompt speeded up for 25% and more accuracy on multiple URL condition when multiple tax forms are mentioned. • Developed API structures using Uvicorn (FastAPI) to interface with Intuit Quickbooks, incorporating OAuth 2.0, validated the functionality using Postman, extracting user data, and integrating into MongoDB database. Secured the code with .env file.
Accenture
Smart Operations Intern
• Collaborated with car sales companies in China to manage their tax files, including invoices and the ERP systems. Identified a matching issue between paperback files and electronic entries, reported proactively, and developed streamlined instructions. Reduced intern training period from 5 to 3 days, improving efficiency and cost-effectiveness.
CalCourse
Software Engineer
• A WeChat API-based chatroom creator and finder connecting 3,000+ UC Berkeley students with the same classes. • Receive data from the backend on AWS and pre-process them into QR Codes, rebuild the Dashboard from HTML into TypeScript React with Ant Design and QRCode.react packages, and redesigned the interaction of QR Codes from hover to touch for mobile browsers. Tested for Desktop and Mobile pages. Made the website more modularized for business expansion.