Shengfeng Wu
Frontend Software Engineer at IMF | React & Typescript | UI Design
- Role
- Frontend Engineer at International Monetary Fund
- Location
- New York, NY, US
- LinkedIn followers
- 500 followers
About Shengfeng Wu
Frontend Engineer & UI/UX Designer at the International Monetary Fund (IMF), bridging…
Experience
Frontend Engineer
Jan 2024 — Present · Washington, DC, US
Engineered Instant Frontend Validation: Implemented a custom, lightweight TypeScript recursive parser providing instant (< 30ms for equations) client-side validation for complex econometric expressions. This enabled immediate user feedback for the first time, mirroring extensive backend ANTLR logic while avoiding performance penalties.Spearheaded Legacy Platform Modernization: Led the critical re-architecture of a legacy prototype into a scalable, enterprise-grade React/TypeScript application, consistently delivering 2K-5K+ LOC per sprint while addressing core design flaws and implementing modern best practices to significantly accelerate feature development and refactoring, and improving code maintainability (~20% reduction) via implementing internal libraries.Optimized Build Performance: Achieved 90% production bundle size reduction (200MB→20MB static, 30MB→3MB gzip) and 75% build time decrease (10min→2.5min) within just two days. Implemented key initial optimizations including ESModule configuration, Webpack code splitting, and improved tree-shaking via targeted import refactoring.Led Full-Cycle User-Centric Design with Ultra-Rapid Prototyping: Assumed ownership of UI/UX, leveraging CodeSandbox to create interactive prototypes rapidly for efficient stakeholder validation and iteration. Translated user research into intuitive interfaces and established a scalable design system with Figma alongside implementation.Ensured Cross-Functional Alignment & Clarified Requirements: Proactively facilitated communication between engineering, product, and stakeholders.
Education
Binghamton University
Bachelor of Science - BS
Binghamton University School of Management
Master of Science - MS
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