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Valery KhamenyaVK

Valery Khamenya

Principal Data Scientist | Mathematician | ML & AI

€1,100/day
München, DE
15+ years

Average response time: 1 hour

About Valery

Freelance Senior Data Scientist / Mathematician (M.Sc.) building explainable ML and optimization solutions for complex, constrained business problems (often NP-hard).

Strong engineering mindset: from prototype to production (Python, R, C++, Spark, AWS/GCP, solvers, Docker).

Worked across AdTech/TV media, Telecom, Automotive (ADAS/Maps), Finance/Insurance, Pharma/Biotech, Consumer/IoT.
  • English

    Fluent

  • German

    Fluent

  • Russian

    Native or bilingual

Can work on-site
München (up to 50km)

Experience

  • Virtual Minds
    Sr. Data Scientist / Sr. Computer Scientist
    PRESS AND MEDIA
    January 2025 - January 2026 (1 year)
    ● High-Performance resource allocation via auction
    ● Holistic (multi-campaign & multi-channel) advertisement placement optimization
    ● Algorithmic optimization for NP-Hard/NP-Complete problems
    ● Multiple Knapsack Problem with constraints
    ● Online estimation of parameters in stochastic environments
    Mathematics Solvers Python (Programming Language) Kotlin Optimization Problems
  • Ludaciti Gmb
    Chief Analytics Officer (CAO)
    DIGITAL AND IT
    February 2019 - December 2025 (6 years and 10 months)
    Munich, Germany
    ●​ Mentoring for Advanced Analytics
    ●​ Multivariate Analysis, Correspondence Analysis, Cause and Effect Analysis, Factor
    Analysis, ICA, PCA, etc.
    Tools: R / RStudio, Python / PyTorch
  • Virtual Minds,
    Sr. Data Scientist / Sr. Computer Scientist
    September 2022 - January 2024 (1 year and 4 months)
    • ● Advertisement placement optimization
    • ● Algorithmic optimization for NP-Hard/NP-Complete problems
    • ● Polynomial time approximations for exponential time complexity problems
    • ● Multiple Knapsack Problem with constraints
    • ● Multivariate Statistics, ML/AI for NP-Hard/NP-Complete problems

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Education

  • M.Sc. Degree.
    Moscow State University
    1996
    M.Sc. Degree.

Skill set

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