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Stas BuzulukSB
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Stas Buzuluk

@stasbuzuluk

I build ML systems that detect fraud, secure blockchain transactions, and prevent major financial losses.

Slovakia
Message

At Cyvers, I own detection and intelligence systems that have helped prevent hundreds of millions of dollars in losses, including a real-time anomaly engine screening tens of millions of blockchain transactions daily. I’ve built malicious-bytecode classifiers, graph-based fraud tracing, scam-site discovery pipelines, and an expert-in-the-loop labeling tool with more than 140,000 manually labeled transactions.

Previously at SKF Group and StackTome, I improved predictive-maintenance AutoML, vibration-analysis automation, recommendation engines, review analysis, and business-metrics prediction systems. I enjoy turning research into production ML products, from model design and evaluation through scalable deployment and mentoring junior data scientists.

Experience

Work history, roles, and key accomplishments

CY
Current

Senior Data Scientist

Cyvers

Feb 2023 - Present (3 years 6 months)

Shaped and owned detection and intelligence logic for core systems, preventing hundreds of millions in losses. Mentored junior data scientists and led initiatives in real-time risk, malicious-code detection, graph-based fraud detection, and scam-site discovery.

Education

Degrees, certifications, and relevant coursework

NI

NTUU 'Kyiv Polytechnic Institute'

Bachelor of Science, Electrical and Electronics Engineering

Studied Electrical and Electronics Engineering at NTUU 'Kyiv Polytechnic Institute'.

DL

DataRoot Labs

Certificate, Machine Learning

Completed a machine learning program at DataRoot Labs.

Tech stack

Software and tools used professionally

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