CV
Contact
- Phone: 13209852315
- Email: beifengfeng66@gmail.com
- GitHub: github.com/deijing
- Focus: Java Development / AI Agent Applications · Prefer Changzhi · Open to full-time
Highlights
- AI Agent practitioner + instructor: Not just using tools — integrating Codex, Claude Code, and Cursor into real development workflows for requirements, code generation, debugging, testing, and documentation.
- Build and teach: Experience teaching Agents in training settings, plus hands-on work in Java backends, Electron tools, OpenCV/OCR, and Python data automation.
- Knowledge services & content: Tutoring since March 2026; services on Xianyu and content on Xiaohongshu.
Education
Pathway: 3-year associate + 2-year bachelor (专升本). All competition awards and campus honors below were earned during the associate (专科) stage.
Bachelor · 2 years (Transfer from Associate)
Shanxi Institute of Engineering Technology
- Status: Admitted; not yet enrolled (expected Sept 2026)
- Level: Bachelor's (专升本)
- Duration: 2 years
Associate · 3 years
Shanxi Vocational and Technical College · Mobile Application Development
- Period: 2023.10 – 2026.10 (3-year program)
- Standing: Top 1% in major
- Coursework: Java, mobile development, databases, data structures, web development
- Practice: Maintained 30+ lab devices and data-center servers
- Note: Competitions, scholarships, club and military-training honors are from this stage (see Awards or the Awards page)
Experience
AI Agent Project Coaching / Programming Tool Instruction · Education & Training
Past experience
Taught AI Agent usage and project coaching in training settings, helping students turn ideas into working projects.
- Proficient with Codex, Claude Code, Cursor and similar coding Agents; choose generation, reading, debugging, testing, or docs by task
- Led hands-on Agent teaching: requirement expression, context design, stepwise verification, error correction; coached UI, APIs, scripts, and deployment docs
Frontend Engineer · Shanghai Jinkesheng Network Technology Co., Ltd.
2025.03 – 2025.06
Worked on an industrial automation visual inspection system: image processing, UI interaction, automated testing, and on-site deployment.
- Owned image capture and preprocessing; improved low-light quality and edge-detection accuracy by ~15%
- Built ad-region extraction and OCR with OpenCV (~90% accuracy, ~40% faster processing)
- Maintained automated tests across 100+ environments; contributed to Qt UI; cut training time from 2 weeks to 3 days
OA Administrator · Zhejiang CONBA Pharmaceutical Co., Ltd.
2024.05 – 2025.12
Managed drug price data and analytics; supported internal pricing systems for sales and procurement.
- Maintained a pricing DB of 5,000+ drugs and 8,000+ data points; accuracy from 92% to 98%
- Built Python monitors for 150+ competitor prices; refresh cycle from weekly to daily (~80% efficiency gain); contributed to price-alert systems
Projects
Miaobi AI Prompt Manager
Desktop AI prompt manager with categories, local storage, quick copy, floating window, and Excel bulk import.
- Built with Electron (UI, storage, copy, window modes)
- Designed category/data model for Agent workflows; Excel import and release notes
Course Materials RAG Agent · LangGraph
Stateful course Q&A agent for lecture notes, project docs, and FAQs.
- Pipeline: understand → retrieve → answer → human confirm (traceable, interruptible, resumable)
- Organized lectures, project notes, and error cases into a knowledge base for faster learning and debugging
Multi-role Project Review Agent · CrewAI
CrewAI multi-agent roles for requirements, code review, testing advice, and documentation.
- Turned project coaching into multi-agent tasks (feature lists, risks, tests, resume write-ups)
- Compared single-shot Q&A vs multi-role flows; produced beginner prompt templates and checklists
Services & Content
- Tutoring (2026.03 – Present) — One-on-one teaching with transferable methods
- Xianyu (2026.04 – Present) — Tutoring and AI-related service offerings
- Xiaohongshu (2026.06 – Present) — Content and personal brand
Skills
- Java / Backend: OOP, collections, IO, concurrency, JVM basics; Spring, SpringMVC, MyBatis, MyBatisPlus, Spring Boot
- AI Agents: Codex, Claude Code, Cursor; LangGraph, CrewAI for build/debug/test/docs workflows
- Data & Tools: MySQL, Git, Linux; Python for data and automation scripts
- Languages: Chinese (native), English
Awards & Honors (Associate stage · Shanxi Vocational and Technical College)
All items below were earned during the 3-year associate program. Bachelor stage has not started yet. Categories & certificates: Awards.
Competition Awards
- 2026 3rd China University Computer Design Competition (Vocational) Shanxi Provincial · Second Prize
- 2025 3rd China University Computer Design Competition (Vocational) Shanxi Provincial · Third Prize
- 2024 World Vocational College Skills Competition Finals Contender Round · Bronze
- 2024 18th Shanxi Provincial Vocational College Skills Competition · Application Software System Development · First Prize
Scholarships
- 2025 College Outstanding Scholarship
- 2025 National Special Scholarship
- 2024 National Encouragement Scholarship
Activity Awards
- 2026 Provincial Outstanding Graduate
- President of an annual outstanding student club
- 2023 Military Training Personal Exemplar
