# Yuduo Zhao

> Building at Ascend | UPenn CS ’19

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/yuduo

Full-stack + product engineer specialized in shipping web apps from zero-to-one and one-to-ten.

Building with React and TypeScript/JavaScript since 2018.

Building with HTML and CSS since 2004.

## Work Experience
### Senior Software Engineer @ Ascend
Jan 2025 – Present | San Francisco Bay Area
- Drove core frontend platform and architectural enhancements, steering the Next.js and TypeScript codebase toward a design system-driven approach with a reusable component library.
- Built key customer-facing features such as the redesigned payout approvals dashboard and policy cancellation dashboard with search-and-filter and paginated, cached data display.

### Software Engineer @ Cottage (acquired by RenoFi)
Jan 2024 – Jan 2025 | San Francisco Bay Area
- Led full-stack development of major expansions to Cottage’s contractor and consultant matching features, enabling new user types.
- Established engineering best practices for Cottage’s Next.js, TypeScript, and Postgres codebase.
- Spearheaded the adoption of SWR for data fetching and caching, reducing revisited page load times by ~90%.
- Voted “Funniest Costume” at Halloween.

### Senior Frontend Engineer @ Nium
Jan 2024 – Jan 2024 | San Francisco Bay Area
- Built a B2B web portal from zero-to-one using Next.js, TypeScript, and Tailwind CSS.
- Shipped key engineer- and admin-facing features: API key configuration, webhook setup, batch payouts, and beneficiary management.
- Designed and implemented technical interview questions; conducted software engineer candidate interviews.

### Frontend Engineer @ Nium
Jan 2023 – Jan 2024 | San Francisco Bay Area

### Founding Software Engineer @ Revvable
Jan 2022 – Jan 2023 | San Francisco Bay Area
- Architected and built a loan financing progressive web app (PWA) and point-of-sale payments API integration.
- Led full-stack development of major financing and payment features using TypeScript, React, Redux, Material UI, Golang, and MySQL.
- Established company-wide technical and design standards to streamline engineering workflows.
- Developed and managed the software engineering internship program.

### Applications Developer 2 @ Oracle
Jan 2021 – Jan 2022 | Remote (US)
- Led daily standups as Scrum Master for a cross-functional team of four developers, a QA engineer, and a business analyst.
- Optimized an O(n²) algorithm to O(n), achieving a 97% reduction in UI element load times.
- Independently delivered major features in an enterprise Java and JavaScript codebase.

### Applications Developer 1 @ Oracle
Jan 2019 – Jan 2021 | Remote (US)

### Graduate Teaching Assistant @ University of Pennsylvania
Jan 2018 – Jan 2019 | Greater Philadelphia Area
- Classes: Introduction to Software Engineering, Mathematical Foundations of Computer Science
- Topics taught: object-oriented programming, software design, software testing, graph theory, trees, probability, logic, proofs, induction and recursion

### Software Engineer Intern @ Dearest, Inc.
Jan 2018 – Jan 2018 | Greater New York City Area
- Won the Wharton Startup Internship Award for this experience
- Implemented sign-on and educator progress report with React and Node.js

### Specification Sales Representative @ Enterprise Lighting Sales
Jan 2015 – Jan 2017 | Greater New York City Area
- Conducted sales calls and organized meetings with architects and engineers
- Managed the lighting applications engineering team, overseeing the creation of lighting layouts and specifications for clients

### Lighting Designer @ Tillotson Design Associates
Jan 2013 – Jan 2015 | Greater New York City Area
- Created photometrically accurate 3D renderings and lighting layouts for architects such as Foster + Partners, Grimshaw, KPF, and OMA


## Education
### Master of Science - MS in Computer Science
University of Pennsylvania

### Integrated Bachelor & Master of Architectural Engineering
Penn State University


## Contact & Social
- LinkedIn: https://linkedin.com/in/yuduozhao
- Website: https://ydz.one
- Website: https://github.com/ydz-one

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Source: https://flows.cv/yuduo
JSON Resume: https://flows.cv/yuduo/resume.json
Last updated: 2026-04-01