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Georgios Galvas

Georgios Galvas

Data Scientist

Freelancer | Chania, Crete


My Portfolio Highlights

My New Course

Introduction to Python

Data scientist, turning data chaos into organized knowledge.

My Work

Take a look at my latest work.


Introduction to SQL


Introduction to Python


Intermediate Python

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Freelance | May 2022 - Present

Freelance Data Scientist

- Web scraping and web crawlers for price comparison on retail products, - Statistical analysis and inference using Machine Learning
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Baresquare | Apr 2020 - Dec 2021

Data Scientist

- Working on the Analytics platform and testing, deploying and putting new features into production - Performing Quality Assurance (QA) of the running model, parameter tuning, and customization depending on each client’s data using statistical tests with Python, R and Adobe Analytics - Involved in all stages of the data pipeline (data collection, processing, storage, analysis, visualization, interpretation) - Using Python for data mining & web scraping, reports and ad-hoc analysis, and tasks automation in order to enhance the team’s daily processes

Gradient | Jun 2018 - Mar 2020

Data Scientist

- Consulting clients on optimal use of their data, with a team of UX researchers and Marketeers, in order to extract meaningful insights regarding customer behavior, - Customer Segmentation using unsupervised Machine Learning (K-Means, Hierarchical clustering) and finding association rules in order to consult clients on how to build more personalized marketing campaigns and products, - Scraping and extracting information from big volumes of customer reviews with Natural Language Processing (NLP) techniques and consulting clients for areas of improvement

Measureworks | Mar 2016 - Jan 2018

Junior Data Scientist

-As part of my internship I built a real-time Anomaly Detection model on website performance metrics using time series forecasting techniques and machine learning, and put it into production. It was used by clients such as Jack & Jones, ING, Hema. - Research (R&D) and application of robust statistical methods and outlier detection - Design, development and maintenance of databases in PostgreSQL - Working in AWS cloud environment for computations and parameter tuning

My Education

Take a look at my formal education

MSc in Business AnalalyticsVrije Universiteit, Amsterdam, Netherlands | 2016
BSc in MathematicsAristotle University of Thessaloniki, Greece | 2011

About Me

Georgios Galvas

A data advocate and Machine Learning enthusiast, with strong work ethic, always passionate to explore and apt to dive into analytical thinking, with goal to provide solutions to business and social problems for building a more sustainable world.

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