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Zhengfei ZhangZZ

Zhengfei Zhang

AI Architect | LLM, RAG & Automation

€500/day
Aix-en-Provence, FR
0-2 years
Artificial Intelligence
RAG
LLM
Business Process Automation
AI Agent

Average response time: 1 hour

Freelancer profile translated to English.
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About Zhengfei

I help companies design and prototype AI solutions useful for their operations: document search, RAG systems, AI agents, business automation, and intelligent document processing.

From identifying needs to functional prototypes, I design architectures tailored to your data, tools, and confidentiality constraints. The goal: to quickly validate the value of a use case before potential scaling.

Areas of expertise:

- RAG and document search with sourced answers
- AI agents and workflow automation
- Document extraction and classification
- API and LLM system integrations
- Technical scoping and AI prototyping

Engineer from Centrale Lyon, specialized in Artificial Intelligence and Machine Learning.
Consulting and Audits
Digital and IT Services
Software Publishing
Digital Business Models

  • French

    Native or bilingual

  • English

    Native or bilingual

  • Chinese

    Native or bilingual

  • German

    Basic

Can work on-site
Aix-en-Provence (up to 50km)

Experience

  • Zhang Zhengfei EI - FEIZEN
    AI Architect | LLM, RAG & Business Automation Systems
    SOFTWARE PUBLISHING
    October 2025 - Today (8 months)
    Manosque, France
    Design and prototyping of AI systems applied to business processes:

    - Scoping needs and identifying high-value operational AI use cases.
    - Architecture of LLM-based solutions: specialized assistants, agentic workflows, and API integrations.
    - Development of document search and RAG systems: semantic search, sourced answers, and access control to internal knowledge.
    - Business process automation: request triage, document classification, and extraction.
    - Creation of functional prototypes to validate feasibility, reliability, and value before industrialization.
    - Technical consulting on model selection, architecture, data security, and integration with existing tools.

    Technologies: Python, LangGraph, MCP, Azure AI Search, Azure AI Foundry, Weaviate, and LLM APIs.
    Business Process Automation RAG AI Agent Prototyping Microsoft Azure
  • ITER Organization
    AI Engineer Intern | IT Systems, Digitalization & Process Improvement
    ENERGY AND UTILITIES
    April 2025 - October 2025 (6 months)
    Aix-en-Provence, France
    End-of-studies internship at ITER Organization, focused on developing AI solutions for the secure operation of technical data and documents.

    - Development of a FastAPI backend exposing several AI services and facilitating scalable model integration.
    - Design of an MCP server and a custom Copilot agent for secure interactions with documentary content via language models.
    - Fine-tuning of encoder models to automate the classification of domain-specific data.
    - Development of document content retrieval and clustering functionalities on large data volumes.
    FastAPI MCP Fine-tuning Classification Clustering
  • ITER Organization
    AI Intern
    ENERGY AND UTILITIES
    June 2023 - September 2023 (3 months)
    Aix-en-Provence, France
    Second-year engineering school internship at ITER Organization, focused on applying machine learning to automate IT processes and exploit confidential data.

    - Implementation of univariate and multivariate anomaly detection models on Azure to improve proactive log monitoring.
    - Design of a neural search engine to optimize information retrieval within confidential internal databases.
    FastAPI Machine Learning Vector Search Anomaly Detection

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Education

  • Engineering Degree
    Ecole Centrale de Lyon
    2025
    Formation d’ingénieur généraliste avec spécialisation en Intelligence Artificielle et Machine Learning. Approche pluridisciplinaire de la conception de systèmes complexes, complétée par des compétences en modélisation, développement, data et mise en œuvre de solutions IA.

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