Principal Engineer

About / 概要

Architected and implemented a sophisticated web scraping engine using Puppeteer and TypeScript, enabling automated data extraction from multiple sources with 99% accuracy and 70% reduction in manual effort. Developed an advanced semantic search functionality leveraging TypeScript, Elasticsearch, and TensorFlow.js that improved search relevancy by 85% and reduced query latency by 60%. Established robust frontend architecture patterns using TypeScript, React Query, Zod and Zustand, implementing a component library that accelerated UI development by 50% while ensuring type safety across the application.