Eugene Mazarakis
BI & Analytics Engineer at Allwyn Hellas
Athens, Attica, Greece
Summary
👤
Senior🎓
Top SchoolEugene Mazarakis is a BI & Analytics Engineer with 8 years of hands-on experience building and modernizing data warehouses, ETL pipelines, and reporting solutions across telecom and energy sectors. He designs scalable Azure Synapse and Azure Data Factory workflows, optimizes SQL/PLSQL codebases, and delivers business insights via Power BI, Tableau and SSRS while supporting legacy platforms like Cognos and Vertica. Comfortable in 24/7 operational environments, he combines strong engineering discipline with user-facing skills—training over 50 users and creating documentation and video tutorials. A postgraduate student in Theoretical Computer Science, he brings rigorous academic thinking to practical data problems and shares knowledge publicly through a technical blog and YouTube channel.
8 years of coding experience
7 years of employment as a software developer
Bachelor of Science (B.Sc.), Computer Systems, Networking and Telecommunications, Bachelor of Science (B.Sc.), Computer Systems, Networking and Telecommunications at National & Kapodistrian University of AthensMaster of Science (M.Sc.), Theoretical Computer Science, Master of Science (M.Sc.), Theoretical Computer Science at National Kapodistrian University of AthensΑ΄ Αρσάκειο Λύκειο Ψυχικού, Α΄ Αρσάκειο Λύκειο Ψυχικού at Arsakeia - Tositseia Schools
Greek, English
Stackoverflow
132reputation
21kreached
14answers
8questions
Github Skills (8)
hive6
apache-spark6
hue6
hdfs6
hadoop6
cloudera6
python6
impala6
Github contributions (5)
EMazarakis/EMazarakis.github.io
Sep 2024 - Mar 2025
Contributions:359 pushes, 1 branch, 1 issue in 6 months
EMazarakis/Image-Processing
Oct 2017 - Sep 2018
Contributions:22 commits, 21 pushes, 1 branch in 11 months
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