Project work

Practical full-stack builds across AI-assisted travel planning, delivery finance tracking, backend APIs, data models, and deployment.

AI-Powered Travel Management Platform

17 April 2026 itinerary view for the Paris-to-Munich trip with the interactive date rail.
Trip overviewPlan the Paris-to-Munich itinerary through the interactive date rail.

Trip-scoped planning, itinerary management, ticket access, and context-aware travel assistance.

  • Next.js
  • React
  • TypeScript
  • NestJS
  • PostgreSQL
  • Drizzle ORM
  • Docker
  • RAG & Skills
View case study

Delivery Ledger

Delivery Ledger weekly performance dashboard with net income, savings goal, distance mix, cost bridge, and hourly efficiency charts.
Weekly performanceTrack income, operating costs, distance mix, efficiency, and savings progress in one view.

Delivery work, vehicle economics, and savings analytics built around reconciled TeslaMate journeys.

  • React
  • TypeScript
  • FastAPI
  • REST APIs
  • PostgreSQL
  • TeslaMate
  • Recharts
  • TanStack Query
View case study

Let's connect

Open to full-stack software engineering opportunities, practical AI product work, and thoughtful technical conversations.

© 2026 Tianyi Ding.

Built with React and TypeScript and a lot of coffee.