About

About Qinghe Notes

AI full-stack engineering, data engineering, automation, projects, and certifications.

Profile

Liu Peixin

Master's student in Computer Technology at China University of Mining and Technology, with a bachelor's degree in Computer Science and Technology from Guangxi University. Current work focuses on web full-stack development, AI application engineering, RAG, data processing, and automation tooling.

Education

  • China University of Mining and Technology - M.Eng. in Computer Technology
  • Guangxi University - B.Eng. in Computer Science and Technology
  • Focus: AI applications, software engineering, data engineering
  • Portfolio: projects, certificates, awards, and resume

Internships

  • Founder Electronics - Template Configuration Intern
  • China Mobile Jiangsu Xuzhou Branch - Frontend Developer
  • XCMG - Digitalization Intern

Technical Stack

  • Frontend: Vue.js, Vue 3, ElementPlus, Astro
  • Backend: Spring Boot, FastAPI, Docker
  • Data and AI: Milvus, Embedding, Hive, Spark, PySpark
  • Automation: Python, Selenium, XPath, regular expressions

Skill Map

Capability Map

UI

Frontend Engineering

Admin platforms, responsive interfaces, interaction states, component pages, and static delivery.

API

Backend Services

Business entities, permission flows, audit records, service integration, and REST APIs.

LLM

AI / RAG

Embedding search, Milvus retrieval, rule-based review, and LLM workflows for knowledge QA.

DATA

Data Engineering

Hive, Spark, PySpark, recommendation logic, data processing, and analysis pipelines.

BOT

Web Automation

Python, Selenium, XPath, regular expressions, web extraction, templates, and data cleaning.

OPS

Delivery

Docker, Nginx, static builds, production deployment, and maintainable release workflows.