Sergey Velts
Independent AI Security & Engineering Fractional CTO at Self-employed
Germany
Summary
👤
Senior🎓
Top SchoolSergey Velts is a founder and CTO with a decade of hands-on experience building data-driven security and FinTech systems, currently leading fraud prevention and conversion optimization at Cybertonica. He combines deep expertise in large-scale machine learning, transaction processing and data lifecycle architecture from roles at Sberbank Labs and startup teams, and has shipped production systems for telemedicine and OCR earlier in his career. Sergey mentors students and interns and brings an academic rigor from a Master’s in computer science and information security and time teaching at Bauman University. Based in Germany, he blends research-minded problem solving with product-focused engineering and a taste for hard technical challenges. Outside work he pursues sailing and urban sketching, reflecting a practical creativity that feeds his technical leadership.
10 years of coding experience
18 years of employment as a software developer
Yandex School of Data AnalysisMaster of Science - MS Computer science and information security, Master of Science - MS Computer science and information security at Bauman Moscow State Technical University
English, German, Russian
Github Skills (12)
dataframe5
python5
cpp5
pydata4
rapids4
cuda4
pandas4
data-science4
data-analysis4
gpu4
cudf3
dask3
Programming languages (1)
Github contributions (3)
cybertonica/cybertonica.github.io
Nov 2015 - Feb 2017
Contributions:4 pushes in 1 year 3 months
cybertonica/af-client
Oct 2015 - Jun 2017
Contributions:9 commits, 8 pushes, 1 branch in 1 year 8 months
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