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I'm a frontend-focused software engineer with 2+ years of experience, specializing in frontend architecture and web performance optimization. I enjoy turning complex requirements into fast, maintainable UI components using React and Vue, and I'm open to full-stack opportunities. I've shipped features for high-traffic platforms (253M+ annual paid users) and built AI-powered workflows, integrating LLMs and AI Agents across the stack. My toolkit includes React.js, Vue.js, Node.js, Express, Nuxt.js, TypeScript, Python, and Puppeteer, and I love collaborating with product, design, and QA to deliver delightful user experiences.…I'm a frontend-focused software engineer with 2+ years of experience, specializing in frontend architecture and web performance optimization. I enjoy turning complex requirements into fast, maintainable UI components using React and Vue, and I'm open to full-stack opportunities. I've shipped features for high-traffic platforms (253M+ annual paid users) and built AI-powered workflows, integrating LLMs and AI Agents across the stack. My toolkit includes React.js, Vue.js, Node.js, Express, Nuxt.js, TypeScript, Python, and Puppeteer, and I love collaborating with product, design, and QA to deliver delightful user experiences.

Jiaqi Lyu

Front-End Developer, Full Stack Developer, Web Developer, +2

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I'm a frontend-focused software engineer with 2+ years of experience, specializing in frontend architecture and web performance optimization. I enjoy turning complex requirements into fast, maintainable UI components using React and Vue, and I'm open to full-stack opportunities. I've shipped features for high-traffic platforms (253M+ annual paid users) and built AI-powered workflows, integrating LLMs and AI Agents across the stack. My toolkit includes React.js, Vue.js, Node.js, Express, Nuxt.js, TypeScript, Python, and Puppeteer, and I love collaborating with product, design, and QA to deliver delightful user experiences.…I'm a frontend-focused software engineer with 2+ years of experience, specializing in frontend architecture and web performance optimization. I enjoy turning complex requirements into fast, maintainable UI components using React and Vue, and I'm open to full-stack opportunities. I've shipped features for high-traffic platforms (253M+ annual paid users) and built AI-powered workflows, integrating LLMs and AI Agents across the stack. My toolkit includes React.js, Vue.js, Node.js, Express, Nuxt.js, TypeScript, Python, and Puppeteer, and I love collaborating with product, design, and QA to deliver delightful user experiences.

Available to hire

I’m a frontend-focused software engineer with 2+ years of experience, specializing in frontend architecture and web performance optimization. I enjoy turning complex requirements into fast, maintainable UI components using React and Vue, and I’m open to full-stack opportunities.

I’ve shipped features for high-traffic platforms (253M+ annual paid users) and built AI-powered workflows, integrating LLMs and AI Agents across the stack. My toolkit includes React.js, Vue.js, Node.js, Express, Nuxt.js, TypeScript, Python, and Puppeteer, and I love collaborating with product, design, and QA to deliver delightful user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

German

Beginner

Work Experience

Software Engineer at Tongcheng Travel

March 1, 2023 - May 1, 2025

Led performance and conversion optimization across Tongcheng Hotel Booking Platform, refactoring listing, detail, and checkout pages to achieve +0.33% order conversion uplift on detail pages and +0.78% lift in checkout funnel. Designed a viewport-based data preloading mechanism that reduced TTI by over 1 second platform-wide. Reduced WeChat Mini Program plugin size by 26% (1.9MB to 1.4MB) by replacing Taro-compiled components with native implementations. Drove 0-to-production delivery for Hopegoo’s i18n-enabled PC platform (Nuxt.js) in 3 weeks, expanding to mobile H5 with full i18n and cross-device support. Built internal QA automation tools (Python, Auto.js) to automate page inspection and unused resource scanning, cutting QA overhead.