Professional Summary
Python Engineer with 9 years of Python experience and 19 years of total professional experience. Builds LangChain applications, FastAPI/Flask/Django backends, and web automation tools. Led tax RPA solution delivery for 36 local electronic tax bureaus and helped raise workflow success rate to 99.5%. Based in Potsdam, targeting AI Agent Engineer roles in Germany.
Core Skills
AI & LLM
LangChain, prompt engineering
Backend Engineering
Python, FastAPI, Flask, Django, SQLAlchemy, REST APIs, Celery, Redis
Automation & RPA
Selenium, Playwright, DrissionPage, PyAutoGUI, web form automation, crawler workflows, OCR-assisted data extraction, xpath
Frontend
Vue.js
Databases & Infrastructure
MySQL, ChromaDB, Ansible, Linux, Git, uv, npm
AI Development Tools
Claude Code, Codex, prompt engineering, evaluation workflows
Professional Experience
RPA Lead Developer / Software Development Team Leader
Nuonuo.com · Hangzhou, China
- Led a 4-member RPA development team designing and maintaining tax automation bots for electronic tax bureau workflows.
- Participated in solution design for 36 local electronic tax bureaus; the Zhejiang tax RPA project reached a monthly average workflow success rate of 99.5%.
- Designed web form snapshot comparison and network anomaly detection modules to protect data-entry integrity and reduce false error handling.
- Built configurable old/new interface field mappings and a low-code form-filling strategy with header validation and post-fill data comparison.
- Reviewed code, evaluated business and technical requirements, coordinated cross-functional issue resolution, and ran monthly operation reviews.
Development Test Engineer
Shanghai New Centurion Network Information Technology · Hangzhou, China
- Built Python-based testing tools and improved test processes for telecom and CRM-related systems.
- Conducted LoadRunner performance tests for China Mobile interfaces, covering high-concurrency response behavior and abnormal-scenario validation.
- Helped build production load-testing capability from zero for multiple China Mobile systems; developed SOAP debugging tools with Python/Flask and Python/PyQt.
Software Test Development / Test and Operations Engineer
Beijing Infomedia Technology · Beijing, China
- Tested, deployed, maintained, and trained users on broadcasting software systems for China National Radio, China Radio International, Beijing People's Broadcasting Station, and provincial radio stations.