Jianping H.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Jul 17, 2026.

Hi 👋 With 10+ years of professional experience and l am proficient in software architecture, frontend and backend development, and database design. l hold a master degree of software engineering from University of Science and Technology of China. I worked at multinational companies Intel and Infosys, as well as local firms China Merchants Bank and Ctrip, and several startup companies. Developed high-performance, highly available, scalable distributed systems/apps with over 100 milion users such as CMB,Ctrip. Currently I am a freelance full-stack developer. Frontend Technologies: - TypeScript - JavaScript - React - Next.js - Vue.js - Shadcn/UI - Tailwind CSS Backend Technologies: - Python - Java - Node.js - FastAPI, Django, Express.js, SpringBoot, Spring Cloud - Supabase - Next.js API Routes - JWT, OAuth - Microservices AI Agent: - LangChain, LangGraph, LlamaIndex - MemGPT, LangMem - ChromaDB, - FAISS, Pinecone API Development: - RESTful API design and implementation - Integration with third-party services and SDKs Databases: - MySQL - PostgreSQL - MongoDB - SQL Server - Redis DevOps & Tools: - Docker, Kubernets - Git - CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, etc.) - SST(Serverless Stack) & Seed Cloud and Infrastructure: - AWS EC2, AWS Lambda, S3 - GCP - Azure - Alibaba Cloud Payment: - Stripe - Paypal - Alipay - WeChatPay Soft Skills: - Agile development & Scrum - Team collaboration & code reviews - Focus on performance, maintainability, and scalability