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Jinfeng HuJH

Jinfeng Hu

GenAI Engineer | NLP Engineer | Data Scientist

€400/day
Paris, FR
0-2 years
Python
Data science
NLP
Linguistics
LLM

Average response time: 1 hour

Freelancer profile translated to English.
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About Jinfeng

Freelance GenAI Engineer, NLP Engineer and Data Scientist, specialized in natural language processing and LLM-based solutions. Experienced in developing chatbots, question-answering systems (RAG), and multilingual text data analysis solutions (French, English, Chinese), from design to production. Accustomed to working with structured and unstructured data, developing robust solutions tailored to business needs, in international environments.

  • Chinese

    Native or bilingual

  • French

    Fluent

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • Kawaiipanda
    Data Scientist
    E-COMMERCE
    July 2025 - December 2025 (5 months)
    Paris, France
    ◦ Collection, cleaning, and structuring of client data (2016–2024) in a JSON database, using Python (Pandas, NumPy), enabling consolidated analysis over several years.
    ◦ Definition and calculation of key performance indicators (KPIs) and execution of exploratory data analysis (EDA) for sales monitoring by booth and by exhibition.
    ◦ Comparative analysis of commercial performance of exhibitions using statistical methods, identification of factors influencing revenue.
    ◦ Revenue forecasting modeling using regression and time series models to evaluate profitability and guide strategic decisions.
    Data Analysis Python Data science JSON Machine learning
  • e-Peak People HR
    NLP Engineer
    HUMAN RESOURCES
    March 2025 - May 2025 (2 months)
    Paris, France
    ◦ Design of a multilingual NER system to accurately identify professional terms and significantly accelerate manual profile review.
    ◦ Development of a question-answering system based on a RAG architecture, leveraging internal HR data.
    ◦ Fine-tuning of Mistral models for generating consistent employee skill assessments.
    ◦ Improvement of the accuracy of HR development recommendations and the quality of generated responses.
    LLM RAG NLP Fine-tuning Named entity recognition ( NER )
  • Cyberfreelance
    NLP Automation Intern
    DIGITAL AND IT
    February 2024 - July 2024 (5 months)
    Paris, France
    ◦ Extraction and classification of over 500 JSON job postings via Web Scraping and similarity detection, improving data structuring and access.
    ◦ Creation of a profile search chatbot using LangChain and GPT-4, enabling rapid identification of relevant candidates.
    ◦ Deployment of a web interface in HTML and Flask, facilitating user interaction with the chatbot and data consultation.
    Web Scraping LLM AI Agent Chatbot NLP
Check out Jinfeng's experience

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Education

  • Master of Language Sciences - Computational Linguistics and Automatic Language Processing (LouTAL)
    University of Orléans
    2024
    Master de Sciences du Langage parcours Linguistique Outillée et Traitement Automatique des Langues (LouTAL)
  • Bachelor of Arts - French Language and Literature
    South China Normal University
    2022
    Licence de Lettres - Langue et Littérature Française
Check out Jinfeng's education

Certifications

Skill set

Data Annotation
Web Scraping

Categories