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1. final-project-master-degree final-project-master-degree Public

   Databricks notebook for Speech-to-Text (STT), Word Error Rate (WER), and semantic analysis, leveraging a Data Lake and ChatGPT, with reproducible unit tests (Master's thesis in Data Engineering).

   Jupyter Notebook

2. rag-api-vs-local rag-api-vs-local Public

   Retrieval-Augmented Generation (RAG) framework that compares cloud APIs and local LLMs for PDF-based question answering, semantic retrieval, and document intelligence.

   Python

3. onprem-etl-orchestrator onprem-etl-orchestrator Public

   ETL framework for on-premise database integration, supporting automated extraction, transformation, and loading workflows across relational data sources.

   Python

4. energy-load-forecasting-app-en energy-load-forecasting-app-en Public

   Machine learning application for electrical load forecasting, deployed with Streamlit for interactive energy demand prediction and visualization.

   Python 1

5. big-data-pyspark-exercises big-data-pyspark-exercises Public

   Collection of PySpark and Big Data notebooks covering data engineering concepts, distributed processing, and practical Spark exercises.

   Jupyter Notebook

6. speech-nlp-etl-engine speech-nlp-etl-engine Public

   ETL and NLP engine for processing call center conversations, generating speech analytics, keyword extraction, and quality metrics.

   JavaScript