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I'm Dimitrios Gousis, a data scientist and ML enthusiast based in Greece. I enjoy blending data modeling, machine learning, and practical problem solving. I love collaborating with data enthusiasts at all levels to explore cutting-edge technologies and translate ideas into real-world impact. Driven by curiosity, I seek to push toward the latest trends in data science, roll up my sleeves, take responsibility to help my team hit milestones, and chase big goals. I'm not afraid to get my hands dirty and own responsibility to help my team achieve its milestones and reach its North Stars.…I'm Dimitrios Gousis, a data scientist and ML enthusiast based in Greece. I enjoy blending data modeling, machine learning, and practical problem solving. I love collaborating with data enthusiasts at all levels to explore cutting-edge technologies and translate ideas into real-world impact. Driven by curiosity, I seek to push toward the latest trends in data science, roll up my sleeves, take responsibility to help my team hit milestones, and chase big goals. I'm not afraid to get my hands dirty and own responsibility to help my team achieve its milestones and reach its North Stars.

Dimitrios Gousis

Data Scientist, AI Engineer, Full Stack Developer, +2

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I'm Dimitrios Gousis, a data scientist and ML enthusiast based in Greece. I enjoy blending data modeling, machine learning, and practical problem solving. I love collaborating with data enthusiasts at all levels to explore cutting-edge technologies and translate ideas into real-world impact. Driven by curiosity, I seek to push toward the latest trends in data science, roll up my sleeves, take responsibility to help my team hit milestones, and chase big goals. I'm not afraid to get my hands dirty and own responsibility to help my team achieve its milestones and reach its North Stars.…I'm Dimitrios Gousis, a data scientist and ML enthusiast based in Greece. I enjoy blending data modeling, machine learning, and practical problem solving. I love collaborating with data enthusiasts at all levels to explore cutting-edge technologies and translate ideas into real-world impact. Driven by curiosity, I seek to push toward the latest trends in data science, roll up my sleeves, take responsibility to help my team hit milestones, and chase big goals. I'm not afraid to get my hands dirty and own responsibility to help my team achieve its milestones and reach its North Stars.

Available to hire

I’m Dimitrios Gousis, a data scientist and ML enthusiast based in Greece. I enjoy blending data modeling, machine learning, and practical problem solving. I love collaborating with data enthusiasts at all levels to explore cutting-edge technologies and translate ideas into real-world impact.

Driven by curiosity, I seek to push toward the latest trends in data science, roll up my sleeves, take responsibility to help my team hit milestones, and chase big goals. I’m not afraid to get my hands dirty and own responsibility to help my team achieve its milestones and reach its North Stars.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Greek, Modern

Fluent

Work Experience

Senior Data Scientist at Proxify

December 1, 2025 - Present

Member of Proxify, working with various clients on scalable data science and machine learning solutions. Key projects included developing an ML approach to identify tipsters with the highest probability of true predictions and implementing an Elo-based ranking system to reward or penalize tipsters based on performance.

Data Scientist at ESL FACEIT GROUP (EFG)

September 1, 2022 - December 1, 2025

Member of the EFG Data Organization (EDO), supporting multiple business efforts (Matchmaking, Growth, Community Integrity). Key projects included unsupervised user segmentation to cluster players by recency/frequency, enabling targeted reactivation campaigns with observed improvements in conversions, and predictive modeling for new player skill assessment and trust metrics.

Mid-Level Data Scientist at Channel 4

September 1, 2021 - August 31, 2022

Delivered data-driven work to help shape Channel 4’s digital future as part of the Future 4 strategy. Key projects included Impact Forecasting for commercial content performance and Ad Load Optimization, with engineering work using Dask and Spark to accelerate MCMC simulations.

Data Scientist at Virgin Media Ltd

February 1, 2020 - February 1, 2021

Focused on predictive modeling and analytics to support customer acquisition and retention. Implemented proactive models for churn, upsell, and cross-sell, with feature engineering using Dask to handle large-scale data.

Junior Data Scientist at JustPark Parking Ltd

June 1, 2018 - February 1, 2020

Worked on customer profiling and pricing optimization, including unsupervised customer segmentation (Know Your Customer) and subsequent supervised modeling to predict segments for new customers and estimate lifetime value. Also contributed to demand/supply analysis and data reporting.

Data Base Administrator at Network Operations Centre - University of Thessaly

July 1, 2014 - October 1, 2014

Managed the LDAP database at the University of Thessaly, implemented tools and software to support staff interaction with the LDAP data store.

Data Scientist (EDS) at ESL FACEIT Group (EFG)

September 1, 2022 - December 1, 2025

Member of the EFG Data Science team (EDS), supporting various business efforts (matchmaking, growth, community integrity) with data-driven insights and ML solutions. Key projects included unsupervised user segmentation to target retention campaigns, predictive modeling for new player skill estimation (cold-start), and a trust score metric to promote ethical players.