Працювала в 10 компаніях 9 років 7 місяців
IT, Державний сектор
Data Scientist (Analyst), Marketing and Project manager
Playonix
IT
2 роки 8 місяців
07.2020 - 03.2023
Creating fraud detection partly automation system
Creating system of checking, updating and refilling data (scripts + triggers + manually checking)
Creating a game selection algorithm to maximize promo discounts
Metrics monitoring and analysis, deep researching hypothesis
Rebuilding affiliate working flow and managing it
All marketing communications with partners, providing a full cycle of marketing campaigns
Technical communication with partners and inner team; task setting, monitoring and testing for both sides
Product Analyst (Modelist)
Genesis
IT
3 місяці
03.2020 - 05.2020
Revenue forecasting model
Creating and updating user behavior analytics system, testing and documenting it
Creating graphs/dashboards
Data checking
Data Scientist
airSlate Inc.
IT
2 роки 1 місяць
02.2018 - 02.2020
Helping with developing union words/rows in rows/paragraphs algorithms
Developing general documents structuring algorithm
Developing algorithm for adding fillable fields on pdf document
Developing algorithm for finding document revision date
Checking A/B, A/B/C tests; aggregation and comparison documents/users stats; association rules and collaborative filtering
Data bug fixing
Data Scientist (Machine Learning)
EOS Data Analytics
IT
6 місяців
08.2017 - 01.2018
Development comparison algorithm for binary images.
Development crop calendar visualization algorithm on ndvi index
Mathematician (Modelist)
PDFfiller.com
IT
9 місяців
11.2016 - 07.2017
Development and implementation of checking algorithm for user activity increase
Development and implementation of optimal calculation and increase max cpc algorithm for keywords without information in AdWords
Retrieve, aggregate, calculate variables and predictions for data from AdWords
Python Developer (Mathematician, Data Scientist)
WinProSolutions
IT
3 місяці
08.2016 - 11.2016
Determination of dynamic scope for recommendation models' results.
Development and implementation of the model A/B/n testing.
Development and implementation of generalization index model for site performance.
Mathematician, Statistical Data Analyst
“TenViz” LLC
IT
5 місяців
03.2016 - 07.2016
Development and implementation of statistical algorithms based on ssa methodologies (component analysis, reconstruction, forecasting).
Development and implementation of algorithms for analyzing the financial indicators data set structure.
Development and implementation of rotation charts algorithm.
Junior Research Fellow
International Mathematical Center National Academy of Sciences of Ukraine
Державний сектор
2 роки 10 місяців
10.2013 - 07.2016
Research, construction of mathematical models and implementation of them (Fortran).
Preparation, interpretation and presentation of results of the calculation model for the specific mechanical problems.
Junior C/JS developer
Softevol developer team
IT
6 місяців
10.2015 - 03.2016
Implementation of the interface part of the reporting system.
Combining of data from three systems (Upwork, Elance and internal) using C, NodeJS, JavaScript.
Junior Data Scientist
“Active Wizards” LLC
IT
3 місяці
06.2015 - 08.2015
Implementation of classification and regression tasks based on the basic machine learning algorithms (using pyspark, scikit-learn)
Ключова інформація
Data Analytics (Web, App, User life cycle, Marketing, A/B testing)
Data Visualization (Tableau, Metabase, Data Studio)
Data Researching, Descripting and Transforming
Data Science, Machine learning (clasterization, regression, NLP)
Mathematical Modeling (analytical and numerical algorithms), Statistics
Research and Optimizing algorithms
Python (Pandas, NumPy, SciPy, Scikit-Learn, NLTK, spaCy, PySpark, Cython)
R (RSSA, dplyr, RAdwords, stats, ggplot2)
SQL (MySQL, PostgreSQL, BigQuery), json, HDF5
Git, Docker, Kubernetes
C/C++, HTML, CSS, JavaScript, Fortran
Навчалась в 1 закладі
Taras Shevchenko Kiev National University
Mechanics and Mathematics department
Kiev, 2016
Володіє мовами
Англійська
вище середнього
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Російська
вільно
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Українська
рідна
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Курси, тренінги, сертифікати
Introduction to Probability – The Science of Uncertainty
Development and analysis of algorithms
Basis websites and web applications development
SQL- queries for beginners
Fundamentals of Information Security
Jumping into app development on JavaScript
Psychology of stress and how to deal with it
Communication tools in reputation management
Basic Web UI development
Financial Management
Analyzing and Visualizing Data with Excel
Introduction in programming on Python
Introduction in Big Data with Apache Spark
Scalable Machine Learning
Introduction to Computational Thinking and Data Science
Додаткова інформація
Scientific activity
- 2013-2016, Postgraduate student, Taras Shevchenko Kiev National University, Mechanics and Mathematics department.
- November 2013-August 2016, Junior Research Fellow, International Mathematical Center National Academy of Sciences of Ukraine.
- 7 publications.
- 2 scholarship grants.
- More than ten seminars, conferences and forums.
Personal qualities
- Attentive
- Thorough
- Intelligent
- Accurate
- Analytically minded
- Able to learn quickly
Hobbies and interests
- "Petrikivsky rospis"
- Hand Made
- Reading
- Photography
Olena
Olena
Data Scientist/Analyst

Київ
повна зайнятість
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