Ivan Karabadzhak
Senior Data Engineer
Sofia, Sofia-City, Bulgaria
Summary
👤
Senior🎓
Top SchoolIvan Karabadzhak is a Senior Data Engineer with over a decade of hands-on experience designing scalable data systems and bridging business needs with technical implementation. He has led the development of a 5M+ healthcare professional data graph and high-accuracy audience-matching pipelines that materially improved campaign engagement for pharmaceutical clients. Equally comfortable from low-level networking protocols to cloud-native ETL and real-time pipelines, his toolkit centers on Python, SQL, Airflow, PySpark, BigQuery and ClickHouse across AWS/GCP. A former founder and long-term freelancer, he pairs technical leadership and mentorship with product-minded delivery—shipping SaaS projects end-to-end and mentoring teams to improve reliability and on-time client reporting. Based in Sofia, he brings a practical blend of systems thinking, continuous learning, and a background that ranges from game server scripting to enterprise data engineering.
10 years of coding experience
15 years of employment as a software developer
Bachelor's degree, Computer Systems Networking and Telecommunications, Bachelor's degree, Computer Systems Networking and Telecommunications at Odessa State Academy of Refrigeration
English, Ukrainian, Bulgarian, Russian
Stackoverflow
205reputation
9kreached
3answers
11questions
Github Skills (131)
testing10
automation10
nike10
javascript10
chromium10
firefox10
api10
developer-tools10
js-api10
node-module10
nodejs10
js-client10
vt10010
chrome-extension10
chrome10
Programming languages (11)
Github contributions (5)
Jakeroid/yii2-liqugallery-widget
Mar 2016 - Oct 2022
Simple gallery with drag-n-drop upload. You can use it for custom entities with images.
Contributions:26 pushes, 1 branch, 19 tags in 6 years 8 months
Jakeroid/fit-images-to
Oct 2021 - Oct 2022
Contributions:10 commits, 6 pushes, 1 branch in 1 year
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