Sergey Lebedev

Sergey Lebedev Email and Phone Number

Аналитик баз данных @ MaxPoster
Saint Petersburg, RU
Sergey Lebedev's Location
St Petersburg, St Petersburg City, Russia, Russian Federation
About Sergey Lebedev

Data Scientist. Skilled in Predictive Modeling and Data Analysis.

Sergey Lebedev's Current Company Details
MaxPoster

Maxposter

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Аналитик баз данных
Saint Petersburg, RU
Website:
maxposter.ru
Employees:
16
Sergey Lebedev Work Experience Details
  • Maxposter
    Аналитик Баз Данных
    Maxposter
    Saint Petersburg, Ru
  • Maxposter
    Data Scientist
    Maxposter Jan 2019 - Present
    Saint-Petersburg
    Improving used cars price evaluation model, reduction of the estimate error from 6.7% to 4.9%.SQL, R, data.table, bayesian optimization, genetic algorithms, LightGBM, XGBoost, CatBoost, Keras.
  • Kaggle
    Competitions Expert
    Kaggle Dec 2014 - Jan 2019
    Participation in machine learning contests at Kaggle platform. https://www.kaggle.com/sergeylebedev/competitionsNY taxi trip count predictionhttps://www.kaggle.com/c/yellowtaxi (18/103)ML Bootcamp VI "The forecast of the audience's response to the Internet survey" https://mlbootcamp.ru/round/14/sandbox/ (41/214)R, data.table, Matrix, parallel, xgboostHome Credit Default Risk https://www.kaggle.com/c/home-credit-default-risk/overview (1827/7198)R, data.table, Matrix, xgboost, lightgbm, rBayesianOptimizationOil debt prediction https://boosters.pro/gazprom_smartoil_contest(29/132, 32/90)R, data.table, lightgbm, plotlyClassification of astronomical sources https://www.kaggle.com/c/PLAsTiCC-2018 (71/1094)R, data.table, parallel, lightgbm, signal, quadprogUser feedback prediction https://mlbootcamp.ru/round/15/rating/ (263/535)R, data.table, lightgbmProtein localisation in cells https://www.kaggle.com/c/human-protein-atlas-image-classification(416/2172)R, EBImage, data.table, lightgbm, xgboost, public kernels voting
  • Institute For Networking Technologies
    Software Qa Engineer
    Institute For Networking Technologies Aug 2012 - May 2018
    Saint Petersburg, Russian Federation
    Testing of information systemsDeveloping test plans, test designs, making test reportsDevelopment and refinement of requirements for productsDesigning, building, configuration and maintenance testing environmentDevelopment of test methods Participation in trialsJIRA, Python, Selenium, Jenkins, Linux.
  • Netrika
    Software Qa Engineer
    Netrika Oct 2011 - Jun 2012
    Saint Petersburg, Russian Federation
    Manual and automated testing of web-services (document management in the public order system).Python, Django, Selenium, JIRA, Mantis, PostgreSQL, git.
  • West-Ter Spb
    Software Engineer, Researcher
    West-Ter Spb Aug 2006 - Aug 2011
    Saint Petersburg, Russian Federation
    ResponsibilitiesDevelopment automated control systems on the railway surfacing machinesDevelopment and implementation of algorithms for the surfacing of the railway track, in particular, automatization of track renewal trainsDeveloping railway track surfacing modeling tools with Matlab/Octave.Developing modules for sensors calibrationTesting, writing documentationAchievementsDeveloped railway track surfacing tool https://github.com/sergey-lebedev/wtsimDeal with third-party libraries algorithms: BPMPD, levmar, GAlibDeveloped diagnostic system for ballast cleanersDeveloped railway surfacing module, processing railways surfacing tasks presented in ALC format, surfacing by laser beamDeveloped report generation system by data received from machinesPrototyping with Matlab/OctaveProgramming CReporting in wikiMain tasks: setting goals, research and optimization.Octave/MATLAB, Python, R, C, git.
  • Solvo
    Technical Support Engineer, Software Qa Engineer
    Solvo Jun 2005 - Apr 2006
    Saint Petersburg, Russian Federation
    Testing and supporting warehouse management system (Solvo.WMS).Participation in integration.

Sergey Lebedev Skills

Sql Gnu Octave Git Bash Python Postgresql Jira Linux Selenium Mercurial Django Mantis Javascript R Machine Learning Predictive Modelling Data Analysis Data Mining

Sergey Lebedev Education Details

Frequently Asked Questions about Sergey Lebedev

What company does Sergey Lebedev work for?

Sergey Lebedev works for Maxposter

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

Sergey Lebedev's current role is Аналитик баз данных.

What schools did Sergey Lebedev attend?

Sergey Lebedev attended Saint Petersburg State Polytechnical University.

What are some of Sergey Lebedev's interests?

Sergey Lebedev has interest in Science And Technology, Education, Arts And Culture.

What skills is Sergey Lebedev known for?

Sergey Lebedev has skills like Sql, Gnu Octave, Git, Bash, Python, Postgresql, Jira, Linux, Selenium, Mercurial, Django, Mantis.

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