Freelancer profile translated to English.
Back to original languageAbout Tiago André
Passionate about data processing techniques, including Natural Language Processing (NLP) and Large Language Models (LLM), I help companies fully leverage their data to extract relevant insights.
🎓 Degrees: Sorbonne University
🌐 Experience: EDF R&D, Carrefour headquarters, Bergerat Rent
My skills ⤵︎
⛏ From data mining, such as information extraction, feature extraction, and topic modeling.
🎤 Through audio signal processing.
🧠 To the realization of predictive modeling projects, including supervised classification, clustering, and regression.
It is through these various projects that I offer structuring solutions to your company.
My areas of expertise:Natural Language Processing | Data Visualization | LLM
My main tools:Python | R | SQL | GATE | LUCENE | protected | NEO4J
My technical skills:Hugging Face | TensorFlow | Keras | Pandas |
Numpy | scikit-learn | Wav2Vec | Whisper | Beautifulsoup | matplotlib | seaborn | plotly | Spacy
Furthermore, I master data visualization tools PowerBI / QLIK / Tableau to make analyses clear and accessible with professional renditions.
Each project is an opportunity for learning and improvement for me.
Do you have a data project? Let's talk!
French
Native or bilingual
English
Conversational
Portuguese
Conversational
Spanish
Basic
Can work on-site
Paris (up to 50km)
Experience
- Bergerat RentContinuous Improvement ManagerCIVIL ENGINEERINGJuly 2025 - January 2026 (6 months)Saint-Denis, France• Took on the role independently in an urgent context for activities related tomachine rental and monitoring of Caterpillar machines.• Implementation of a BI chain under Microsoft Fabric: Dataflows, Lakehouse(Silver / Gold) and data modeling.• Creation of semantic models and Power BI dashboards for rental activity steering.• Project management and deployment of data-driven processes
- CARREFOUR SIÈGE SOCIALData Management CoordinatorRETAIL (LARGE RETAILERS)July 2024 - January 2025 (7 months)91300, Massy, France• Took on the role in the Carrefour Promotion department.• Data governance management and automation of flows via Python and Google Apps Script.• Design of strategic dashboards under Looker Studio.• Collaboration with IT and business teams to ensure data reliability and maintain technical documentation under GitLab.
- EDF R&DData Scientist InternENERGY AND UTILITIESOctober 2023 - April 2024 (6 months)Saclay, France• Final study internship in the design of a voice compliance Proof of Concept (POC) combining heuristic rules and semantic paraphrasing (SBERT).• Manual annotation and information extraction from audio corpora of customer calls.• Development of Speech-to-Text pipelines based on Wav2Vec, Whisper, and fine-tuned models, integrated into an MVP with Streamlit.• Model performance: Average F1-score of 79%.• Collaboration via GitLab and adherence to good versioning practices.
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Education
- Training - DATA Analyst2024Formation - DATA Analyst
- MASTER - Language and Computer ScienceSORBONNE UNIVERSITY (RESEARCH HOUSE)2023MASTER - Langue et Informatique