Olekssy Lialka
Senior Data Scientist
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolOlekssy Lialka is a Senior Data Scientist based in Stockholm with eight years of experience building production ML systems for payments and finance, now applying that expertise at Visa after senior roles at Klarna and SoftServe. He specializes in predicting rare events and low-signal forecasting, combining neural networks, bespoke ML pipelines, and optimization to deliver decisioning systems in quantitative finance and risk. Comfortable across the full stack from research to deployment, he brings hands-on ML engineering background from IBM and consulting experience that sharpens stakeholder-driven solutions. A quantum computing enthusiast on GitHub, he blends curiosity about emerging computation with pragmatic delivery of high-impact, auditable models.
8 years of coding experience
7 years of employment as a software developer
MBA, MBA at University of AlbertaMBA, MBA at University of Mannheim
Github Skills (26)
finance9
sensitivity-analysis9
language-model8
data-extraction8
integer-programming8
arima8
garch8
qiskit7
algorithms7
llm7
statistics7
python7
algorithmic-trading7
transformer7
quantum-computing7
Programming languages (3)
Github contributions (5)
olekssy/ican-c
Dec 2019 - Apr 2021
Contributions:33 commits, 48 pushes, 1 branch in 1 year 4 months
olekssy/impression
Nov 2022 - Jun 2025
Contributions:42 pushes, 3 branches in 2 years 7 months
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