Sergey Kitaev

Sergey Kitaev Email and Phone Number

Data Scientist, python developer @ Фриланс
Sergey Kitaev's Location
Samara, Samara, Russia, Russian Federation
About Sergey Kitaev

Data Scientist (ETL, scraping, ML, DL, descriptive statistics, hierarchical cluster analysis, Probability models, Bayesian approach, Hypothesis Testing (Z, T statistics, P-value, ES (Cohen's D), Chi square), Type I and II Errors, decision trees, random forest, gradient boosting machine).Positive experience building models of statistical inference, prediction using Python. Flawless Python level.Experience with Python (numpy, pandas, scikit-learn, matplotlib, tensorflow, keras, pytorch, opencv), testing driven development, Google Colaboratory (GPU); PostgreSQL, Linux(Ubuntu), Docker, Git, Github.Experience using algorithms for selecting hyperparameters.Kaggle: top 15% (327 in the entry leaderboard «digit recognizer»).Math background of neural networks (linear and vector algebra, functional analysis, differential calculus, mathematical statistics, probability theory and combinatorics), activation functions, backpropagation method, gradient descent method, classical training in predicting the category of an object (classification) and value prediction (regression).The certified expert in the sphere of the investment analysis, an assessment of investment projects, business (FEA, DCF models (NPV, NPVS, PI, IRR, MIRR, DPP, ARR); CFROI (cash flow return on investment), EVA (economic value added), WACC (Weighted Average Cost of Capital); CAPM (Capital Asset Pricing Model)).

Sergey Kitaev's Current Company Details
Фриланс

Фриланс

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Data Scientist, python developer
Employees:
1527
Sergey Kitaev Work Experience Details
  • Фриланс
    Data Scientist
    Фриланс Aug 2019 - Present
  • Accounts Chamber Of Samara Region
    Chief Consultant
    Accounts Chamber Of Samara Region Jun 2016 - Jul 2019
    Samara Region, Russian Federation
    Department Methodology and AnalyticsMethodological and expert support for external financial audit. Development of audit standards; methods and models of financial and economic expertise of investment projects, economic prediction, development strategies; methodological support for expert and analytical activities.Data science (ETL (extract, transform, load), feature selection, algorithm construction); correlation, regression, factor analysis, numerical methods; econometric methods… Show more Department Methodology and AnalyticsMethodological and expert support for external financial audit. Development of audit standards; methods and models of financial and economic expertise of investment projects, economic prediction, development strategies; methodological support for expert and analytical activities.Data science (ETL (extract, transform, load), feature selection, algorithm construction); correlation, regression, factor analysis, numerical methods; econometric methods, research of relationships between the parameters of factors an results; mathematical models of multicriteria optimization. Experience with Big Data. Show less
  • Llc «Management Contract Technologies»
    Deputy Director - Head Of Competitive Procurement
    Llc «Management Contract Technologies» Apr 2013 - Jul 2014
    Самарская Область, Россия
    Responsibilities:- the organization seminars on contract system in the sphere of procurement, on creation of models of effective purchasing system;- rendering full range of consulting, expert services in the contract system.Experience in the development, improvement and updating of the regulatory, methodological base in framework of procurement systems in the company of the customer according strategy, taking into account the Key Performance Indicators, lean manufacturing… Show more Responsibilities:- the organization seminars on contract system in the sphere of procurement, on creation of models of effective purchasing system;- rendering full range of consulting, expert services in the contract system.Experience in the development, improvement and updating of the regulatory, methodological base in framework of procurement systems in the company of the customer according strategy, taking into account the Key Performance Indicators, lean manufacturing methodology.Experience in the development of educational programs, of test materials (case studies, tests), including with the use of distance learning technologies. Show less
  • Main Directorate For Organization Of Bidding Of The Samara Region
    Deputy Head - Head Of Department, Stats Secretary
    Main Directorate For Organization Of Bidding Of The Samara Region Sep 2003 - Dec 2012
    Samara
    Responsibilities:- information-analytical support, preparation of analytical materials, presentations, administration of hardware and software;- preparation of technical specifications for the design, development and modernization of the information-analytical systems, testing of software modules;- planning, methodological support, maintenance of databases;- organization and providing system of electronic document flow.- development of key performance indicators (KPI)… Show more Responsibilities:- information-analytical support, preparation of analytical materials, presentations, administration of hardware and software;- preparation of technical specifications for the design, development and modernization of the information-analytical systems, testing of software modules;- planning, methodological support, maintenance of databases;- organization and providing system of electronic document flow.- development of key performance indicators (KPI), monitoring and reporting on the results of performance KPI;- training customers.Results (developed and implemented):- the order of interaction of the authorized body and customers;- system of electronic trading;- portal of public contracts;- key performance indicators (KPI) and performance management system;- mechanisms and indicators for assessing the performance of procurement system. Show less
  • Property Fund Of Samara Region
    Chief Department Stock Market And Property
    Property Fund Of Samara Region Sep 1997 - Sep 2003
    Самарская Область, Россия
    Responsibilities:- organization and implementation of procedures for the sale of privatized state property, including blocks of shares;- evaluation of investment projects, shares;- management of shares (stakes) in state-owned companies, a representative on the Boards of Directors of joint-stock companies.
  • Kuibyshev Design Office «Armaturproyekt» (Now Jsc «Agregat»)
    Design Engineer
    Kuibyshev Design Office «Armaturproyekt» (Now Jsc «Agregat») Apr 1990 - Sep 1993
    Самарская Область, Россия
    Design engineer, experience in the field of dynamics and strength mechanical systems valve hydropneumo-fuel units of fuel automation gas turbine engines.

Sergey Kitaev Education Details

Frequently Asked Questions about Sergey Kitaev

What company does Sergey Kitaev work for?

Sergey Kitaev works for Фриланс

What is Sergey Kitaev's role at the current company?

Sergey Kitaev's current role is Data Scientist, python developer.

What schools did Sergey Kitaev attend?

Sergey Kitaev attended Samara State Aerospace University, Samara State Academy Of Economics (Samara State Economic University Now).

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