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Candidate
Male, 39 years, born on 1 April 1986
Gomel, not willing to relocate, not prepared for business trips
Data Analyst
Specializations:
- Analyst
- Data scientist
Employment: full time, part time, volunteering
Work schedule: full day, flexible schedule, remote working
Work experience 11 years 5 months
August 2020 — currently
4 years 10 months
Yandex.Practicum
Data Analyst (training)
Data processing and analysis using Python:
- data collection (sqlalchemy, BeautifulSoup, SQL);
- data preprocessing (pandas, NLTK, pymystem3);
- data visualization (matplotlib, plotly, seaborn);
- dtatistical data analysis and hypotheses checking: (numpy, scipy.stats);
- A/B-testing (scipy.stats);
- business metrics analysis (conversion rate, funnel analysis, Retention Rate and Churn Rate, LTV and CAC, ROI, HEART and AARRR frameworks).
- dashboards creation (Dash, Tableau Public);
- results and conclusions presentation.
Examples of completed projects:
Optimization of marketing costs in Yandex.Afisha (https://github.com/dmitryakushev/yandex-praktikum-projects_EN/tree/main/marketing_expenses_optimisation_Ya-afisha):
- analysis of data from Yandex.Afisha in order to optimize marketing costs;
- cohort analysis;
- metrics calculation: LTV, CAC, Retention rate, DAU, WAU, MAU, ROMI.
Research of the video games market based on data from open sources from 1977 to the present (https://github.com/dmitryakushev/yandex-praktikum-projects_EN/tree/main/video_games_market_project):
- overall evaluation of the current state of the computer games market;
- research of games releases and sales dynamics by year in the context of the most popular gaming platforms (Pandas, Seaborn, Matplotlib);
- studied the impact of critics' ratings and user reviews on game sales (Pandas, Seaborn, Pearson correlation coefficient).
- compiled a portrait of a typical user for each world region (Pandas, Matplotlib);
- tested hypotheses about the difference in average user ratings depending on the gaming platform and genre (numpy, scipy.stats);
- a forecast for the next year was formed, including the identification of the most promising gaming platforms and genres.
May 2017 — currently
8 years 1 month
Lightspeed HQ
IT, System Integration, Internet... Show more
QA Engineer
Manual testing of web and mobile applications (exploratory, functional, regression, GUI);
API testing (Postman);
Web services testing (Charles);
Designing test documentation: test cases, decision tables, state transition diagrams; Writing bug reports and verification of defects;
Developing automated tests using Python Selenium WebDriver and CI/CD approach;
January 2014 — April 2017
3 years 4 months
Exadel
IT, System Integration, Internet... Show more
senior QA Engineer
Manual testing of web and mobile applications (exploratory, functional, regression, GUI);
Designing test documentation: test cases for functional and regression testing;
Requirements verification;
Performing cross-browser and cross-platform testing;
Writing bug reports and verification of defects;
Skills
Skill proficiency levels
Driving experience
Own car
Driver's license category BAbout me
For many years I have been working as QA engineer on various projects. However, after a certain milestone, I noticed that The number of challenging and interesting tasks decreases and I stop growing as a specialist.
So, I decided to change my specialisation to data analysis. The motivation for this decision was:
- I was always interested in analyzing the possible causes of events (both during QA work and in everyday life);
- the data analyst has almost unlimited potential for growing as specialist (technical knowledge and skills, business knowledge, communication skills).
- in my opinion, data analysis is not only on the rise now, but will remain relevant in the future.
In my free time I try to fill in the gaps in my knowledge of statistics and mathematics (for example, recently completed the course "Fundamentals of Statistics" from Anatoly Karpov, which I liked it very much). I like to watch studies of other analysts (I was surprised that such studies can be found on almost any topic of interest). I also like to read popular scientific literature (favorite book is "Think Slow ... Decide Fast" by Daniel Kahneman).
Hobbies: bike, snowboard, bass guitar.
Higher education
2008
Internation Sakharov Environmental University
Environmental Medicine, Environmental Medicine and Radiobiology
Languages
Citizenship, travel time to work
Citizenship: Belarus
Permission to work: Belarus
Desired travel time to work: Doesn't matter