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Hi, I’m Adelina Grebencea, a motivated student passionate about data and AI. I enjoy turning messy datasets into actionable insights and building end-to-end ML pipelines, from data preprocessing to model evaluation and lightweight deployment. I thrive in collaborative environments and love learning new technologies. Currently pursuing a B.Sc in Computer Science and an M.Sc in Big Data, Data Science, Analytics and Technologies, I have hands-on experience with Python, SQL, Power BI, ETL, and REST APIs through academic projects and freelance work, including an AI-powered Smart Invoice Analytics System that automates data extraction and anomaly detection.…Hi, I’m Adelina Grebencea, a motivated student passionate about data and AI. I enjoy turning messy datasets into actionable insights and building end-to-end ML pipelines, from data preprocessing to model evaluation and lightweight deployment. I thrive in collaborative environments and love learning new technologies. Currently pursuing a B.Sc in Computer Science and an M.Sc in Big Data, Data Science, Analytics and Technologies, I have hands-on experience with Python, SQL, Power BI, ETL, and REST APIs through academic projects and freelance work, including an AI-powered Smart Invoice Analytics System that automates data extraction and anomaly detection.

Adelina Grebencea

Data Scientist, Data Analyst, AI Engineer, +7

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Hi, I’m Adelina Grebencea, a motivated student passionate about data and AI. I enjoy turning messy datasets into actionable insights and building end-to-end ML pipelines, from data preprocessing to model evaluation and lightweight deployment. I thrive in collaborative environments and love learning new technologies. Currently pursuing a B.Sc in Computer Science and an M.Sc in Big Data, Data Science, Analytics and Technologies, I have hands-on experience with Python, SQL, Power BI, ETL, and REST APIs through academic projects and freelance work, including an AI-powered Smart Invoice Analytics System that automates data extraction and anomaly detection.…Hi, I’m Adelina Grebencea, a motivated student passionate about data and AI. I enjoy turning messy datasets into actionable insights and building end-to-end ML pipelines, from data preprocessing to model evaluation and lightweight deployment. I thrive in collaborative environments and love learning new technologies. Currently pursuing a B.Sc in Computer Science and an M.Sc in Big Data, Data Science, Analytics and Technologies, I have hands-on experience with Python, SQL, Power BI, ETL, and REST APIs through academic projects and freelance work, including an AI-powered Smart Invoice Analytics System that automates data extraction and anomaly detection.

Available to hire

Hi, I’m Adelina Grebencea, a motivated student passionate about data and AI. I enjoy turning messy datasets into actionable insights and building end-to-end ML pipelines, from data preprocessing to model evaluation and lightweight deployment. I thrive in collaborative environments and love learning new technologies.

Currently pursuing a B.Sc in Computer Science and an M.Sc in Big Data, Data Science, Analytics and Technologies, I have hands-on experience with Python, SQL, Power BI, ETL, and REST APIs through academic projects and freelance work, including an AI-powered Smart Invoice Analytics System that automates data extraction and anomaly detection.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Romanian, Moldavian, Moldovan

Fluent

English

Advanced

Russian

Fluent

Work Experience

Data Science Project Lead (Independent)

November 1, 2025 - January 1, 2026

Smart Invoice Analytics System: Automated Data Extraction & Intelligent OCR using OpenAI GPT-4o to extract structured data (client details, line items, VAT) from unstructured invoice images; Data Engineering: validation framework to sanitize inputs and normalize formats; ML & Analytics: applied scikit-learn algorithms including Isolation Forest for anomaly detection and Random Forest for predictive modeling of cost drivers; BI: automated EDA module to visualize spending patterns, seasonality, and top-vendor statistics.

Power BI Consultant / BI Developer (Independent Projects)

July 1, 2025 - November 1, 2025

Power BI projects: Preprocessing datasets, data cleaning, transformation with Power Query, data modeling (relationships), and dashboard/report design to support data-driven decisions (07/2025 to 11/2025).

Project Lead: Smart Invoice Analytics System at Personal project

November 1, 2025 - January 1, 2026

Led an AI-driven pipeline for automated data extraction from invoices using GPT-4o, with data validation, normalization, and a fraud/anomaly detection component (Isolation Forest) plus predictive modeling (Random Forest). Built an automated EDA module to visualize spending patterns, seasonality, and top-vendor statistics.