Leanne Chen

Frontend Engineer → Fullstack

9+ years building scalable, high-availability web applications.
I care about clean architecture, thoughtful UX, and shipping things that hold up under real-world load.

Skills

Frontend & UI
ReactReduxNext.jsViteWebpackTailwindStyled ComponentsGraphQLRESTful APIStorybookAngularJS
Backend & API
Node.jsPythonFastAPItRPCWebSocket
AI-Tools & Workflow
Claude CodeGemini CLICursorWindsurfMCPAI AgentsPrompt Engineering
Testing & Quality
JestReact Testing LibraryPlaywrightStorybook
Languages & Core
TypeScriptJavaScript (ES6+)HTMLCSSPython
Cloud & DevOps
AWSDockerVercelCI/CD (GitHub Actions)SentryPostHogAxiomGoogle AnalyticsGoogle Tag Manager

Side Projects

Products I built end to end — from spec and design through backend, AI and deployment.

Collaborative trip plannerSolo · end to end

Travel Planner

Puts every place, meal, stay and train ride on one time axis per day — with real travel times, AI itinerary generation and live co-editing.

  • AI-generated trips that can't invent places
  • Designed around Google Maps pricing and terms
  • Real-time collaboration over WebSocket, kept deliberately simple
  • React
  • TypeScript
  • Express 5
  • PostgreSQL
  • WebSocket
  • OpenAI
Retrieval-augmented Q&ASolo · end to end

Traffic Law RAG

Ask about Taiwan's traffic laws in plain Chinese and get an answer grounded only in the statute text, with citations for every claim or a clear refusal.

  • Refuses out-of-scope questions in two layers
  • Every citation and amount verified against the statute
  • Evaluation set decided what shipped
  • FastAPI
  • Chroma
  • Claude API
  • SSE
  • React
Read case studyLive demoSource

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Recommendations

“Leanne is an endearing front-end engineer. We had a great collaboration in every project we've been through. She is not only meticulous but also productive. Aside from the perspective on feasibility, she'll also provide insights into business objectives and user needs. I've learned a lot from her! In terms of communication, she is open-minded to different opinions and willing to discuss with you to reach an agreement. I'm delighted to meet her at iCHEF.”

Kat Wang

Kat Wang

Senior UI/UX Designer @ iCHEF

“Leanne is one of most self motivated engineer I've worked with. We used to work at same feature team in iCHEF, and Leanne showed a powerful cross function capability, as Fronted she also work on Backend stuff (writing backend code) and Designer stuff (help designing on figma), she has a strong motivation in learning and help other members in the same team. We also have been developed deployment infrastructure together, which she also provide an excellent design with good flexibility, readabiltiy and documentation, iCHEF use this design next 3 year until we migrate the system from Heroku to AWS. ”

Tzu-Chin Hsu

Tzu-Chin Hsu

Senior Backend Engineer @ iCHEF

“I wholeheartedly recommend Leanne as a skilled and dedicated professional who would be an asset to any organization. Her ability to onboard new team members, create thorough documentation, conduct design reviews, and consistently deliver features on time speaks to her incredible work ethic and expertise. I have no doubt that Leanne will continue to excel in her career, and I am honored to endorse her on LinkedIn.”

Leo Lin

Leo Lin

Senior Frontend Engineer @ iCHEF

Contact

Always happy to talk shop, swap ideas, or hear about new opportunities — drop me a message below.