Olena
Data Scientist, 100 000 UAH
- Employment:
- Full-time.
- Age:
- 33 years
- City:
- Kyiv
Contact information
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Work experience
Data Scientist (Analyst), Marketing and Project manager
from 08.2020 to 03.2023
(2 years 7 months)
Playonix, Київ (IT)
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)
from 03.2020 to 06.2020
(3 months)
Genesis, Київ (IT)
Revenue forecasting model
Creating and updating user behavior analytics system, testing and documenting it
Optimizing issuing algorithm for match/finder
Creating graphs/dashboards
Hypothesis testing, data checking
Data Scientist
from 03.2018 to 03.2020
(2 years)
airSlate, Kyiv (IT)
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)
from 09.2017 to 02.2018
(5 months)
EOS DATA ANALYTICS, Киев (IT)
Development comparison algorithm for binary images.
Development crop calendar visualization algorithm on ndvi index.
Mathematician (Modelist)
from 12.2016 to 08.2017
(8 months)
PDFFfiller Inc., Киев (IT)
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 and databases
Python Developer (Mathematician, DataScientist)
from 09.2016 to 12.2016
(3 months)
WinProSolutions, Киев (IT)
Determination of dynamic scope for recommendational 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
from 04.2016 to 08.2016
(4 months)
“TenViz” LLC, Киев (IT)
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 C/JavaScript developer
from 11.2015 to 04.2016
(5 months)
“Softevol” developer teem, Киев (IT)
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
from 07.2015 to 09.2015
(2 months)
“Active Wizards” LLC, Киев (IT)
Implementation of classification and regression tasks based on the basic machine learning algorithms (using pyspark, scikit-learn)
PhD
from 11.2013 to 10.2016
(2 years 11 months)
Kiev Taras Shevchenko National University, Kiev (Державні організації)
Junior Research Fellow
from 11.2013 to 08.2016
(2 years 9 months)
International Mathematical Center National Academy of Sciences of Ukraine, Kiev (Державні організації)
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.
Head of department “Information systems technical support”
from 06.2013 to 10.2013
(4 months)
State establishment “State Library of Ukraine for Youth”, Вся Україна (Державні організації)
Library information system maintenance.
Coordinating development of the library site using PHP. Site pages marking in HTML. Big volume data structuring.
Leading software engineer
from 02.2013 to 06.2013
(4 months)
State establishment “State Library of Ukraine for Youth”, Київ (IT)
All library computers software support.
Windows Form creating using MS Visual Studio.
Working with Google Sites and Google Docs.
Education
Kiev Taras Shevchenko National University
Mechanics and mathematics (mechanics), Kiev
Higher, from 2007 to 2013 (5 years 9 months)
Additional education and certificates
Introduction in programming on Python
2015, 5 mounth
Introduction in Big Data with Apache Spark
2015, 2 mounth
Scalable Machine Learning
2015, 2 mounth
Introduction to Computational Thinking and Data Science
2015, 2 mounth
Introduction to Probability – The Science of Uncertainty
2016, 4 mounth
Development and analysis of algorithms
2016, 2 mounth
Financial Management
2015, 2 mounth
Analyzing and Visualizing Data with Excel
2015, 3 mounth
Basis websites and web applications development
2016, 1 mounth
SQL- queries for beginners
2016, 1 mounth
Fundamentals of Information Security
2016, 2 mounth
Fundamentals of Software Testing
2016, 2 mounth
Jumping into app development on JavaScript
2016, 1 mounth
Psychology of stress and how to deal with it
2016, 2 mounth
Communication tools in reputation management
2016, 2 mounth
Basic Web UI development
2016, 2 mounth
Knowledge and skills
Language proficiencies
- Ukrainian — fluent
- Russian — fluent
- English — above average
Additional information
Personal qualities:
- Attentive
- Thorough
- Intelligent
- Accurate
- Work independently
- Able to learn quickly
Hobbies:
- “Petrikivsky rospis”
- Hand Made
- Reading
- Photography
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