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Member since November 20, 2014
30 Recommendations


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I have a PhD degree in theoretical and computational physics and dozens of published papers in peer review journals on computational physics, computational chemistry, mechanical science and engineering. I do modeling and calculations using Matlab, Matematica, custom algorithm design and coding in C, C++, Java, Python, and Perl for Android, Windows, Mac, or Linux. I do analytical derivations and solutions using advanced calculus, ODE, PDE, matrices, minimization, statistics, spectral analysis, wavelets, and some other areas of mathematics. I have extensive experience in neural networks, image analysis, object recognition, object tracking.
$50 USD/hr
529 reviews
  • 95%Jobs Completed
  • 98%On Budget
  • 89%On Time
  • 24%Repeat Hire Rate


Recent Reviews

  • image of kumaramar9993 Heston Model ₹9500.00 INR

    “Great Work”

  • image of ashanker1984 Project for Grigori S. $264.00 AUD

    “Very smart guy.”

  • image of un728 Project for Grigori S. $250.00 AUD

    “Grigori is awesome, really intelligent. On time and accurate. Did not have to explain much, understood the request first time. definitely going to work with Grigori in near future.”

  • image of sriramvarma1993 Project for Grigori S. $25.00 USD

    “excellent professional in python expertise.”

  • image of AlexNeat Expand the description with keywords $29.00 USD

    “Excellent freelancer: good price for work, courteous communication, quality of work, work is done on time. Thank you! See you!”

  • image of gearnea Python: Magnetic Field Along a 3D-Line €150.00 EUR

    “Grigori did an excellent job, he was within the budget and perfectly on time. The Matlab code he delivered is clear and well documented. He was very forgiving with a hickup I made in my deliverables and fixed it within an hour. Just awesome!”


  • Numeracy 1
  • US English Level 2
  • C 1
  • French to English Translation
  • C++ Level 1
  • German - English Translation
  • German 3
  • UK English 1
  • Python Level 1


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