Leonid Repno
Big Data Engineer
Odesa, Odesa Oblast, Ukraine
Summary
👤
Senior🎓
Top SchoolLeonid Repno is a Big Data Engineer with 12 years of hands-on experience building scalable data pipelines and cloud-based analytics solutions, currently driving data initiatives at Grid Dynamics from Odesa. He has deep practical expertise in Python, ETL, AWS (IoT Core, Kinesis, S3, Redshift), Spark and Elasticsearch, applied across energy, mobile-app analytics and direct mail ROI domains. Leonid’s background includes architecting edge-to-cloud data flows for power plants and modernizing legacy ETL for multi-source app-store crawlers, showing strength in both real-time streaming and batch processing. He pairs engineering rigor with teamwork and mentoring, having onboarded colleagues and improved production processes in cross-functional teams. Trained as a computer software engineer, he brings a pragmatic blend of systems-level thinking and hands-on implementation that consistently turns messy operational data into actionable analytics.
12 years of coding experience
6 years of employment as a software developer
Bachelor’s Degree, Computer Software Engineering, Bachelor’s Degree, Computer Software Engineering at Odessa State Polytechnic University
English, Russian
Github Skills (34)
jupyter10
finance10
charting10
bioinformatics10
gui-framework10
modeling10
plotly10
flask10
data-science9
plotly-dash9
python9
machine-learning9
no-javascript9
deep-learning9
react9
Programming languages (4)
Github contributions (5)
lrepno/dash
Mar 2022 - Mar 2022
Analytical Web Apps for Python, R, Julia, and Jupyter. No JavaScript Required.
Contributions:18 PRs, 15 pushes, 1 branch in 1 day
polarspythonjupyter-notebookstatisticsno-javascript
lrepno/Data-engineer
Jan 2019 - Feb 2019
Contributions:12 pushes in 8 days
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