
David
Data Scientist
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Esperienza lavorativa
Data Scientist & Machine Learning Engineer
Tecnogram • Freelance
Jul 2017 - Present • 9 yrs 1 mo
Data Scientist & Machine Learning Engineer Freelance | 2017 – Present Developed machine learning and AI solutions for startups, businesses, and individual clients across multiple industries. Built predictive models, recommendation systems, and automation tools to improve business performance and decision-making. Performed data cleaning, analysis, and visualization using Python, SQL, Pandas, NumPy, Power BI, and Tableau. Created NLP and deep learning solutions including chatbots, sentiment analysis, and text classification systems. Designed interactive dashboards and business intelligence reports for actionable insights. Deployed scalable ML applications and APIs using Flask, FastAPI, and cloud-based tools. Delivered high-quality freelance projects with strong client satisfaction and long-term collaboration.