Maria Vasilenko Email & Phone Number

United States

- Designed an A/B experiment that tested the performance of an offline Duties& Taxes calculator tool which reduced p95 duties& taxes calculation time by 30% and boosted cross-border checkouts conversion rates. Performed Bayesian analysis (Python, SQL) of the experiment results quantifying the effects of the changes and communicating to the key stakeholders.

Mountain View, California, United States

- Designed, monitored, and analyzed results of 15+ A/B tests to guide decision-making for Homeschool and Teacher's products, checkout experience, and Growth Marketing campaigns. Collaborated with Product Managers and Designers to provide data-driven recommendations for feature changes and made suggestions for UX research.- Advised Product Owners on the.

Mountain View, California, United States

- Developing and deploying (Heroku) the data pipeline to obtain and parse companies reviews from public sources in a programmatic way using Python - Identifying the sentiment of reviews and key topics by developing the NLP model

- Led mentorship sessions explaining complex ML concepts and data cases- Consulted a startup team on data scraping, labeling and text processing using Python (gensim, PyTorch)

Foster City, California, United States

Semi-automated the process of running a production pipeline by writing a scheduling script in Python and HQL, reducing the time needed to run the process by 2 hours (~20%). Explored opportunities for further automation using tools like Oozie and Apache Airflow

Remote

- Provided recommendations to the Marketing team on developing a PHR app by identifying the most desirable features of competitors based on reviews from the Apple App Store and Google Play and performing Topic Modeling (LDA) using Python- Worked on the project aimed at improving customer experience and product awareness. Together with Analytics Team built.

San Francisco Bay Area

- Worked on product development at GoCarrot, an early stage startup building a mobile wellness app that helps people achieve wellness goals and lower medical bills. - Was actively involved in the UX design process: interviewed users, created wireframes and designed product features. - Conducted market research and prepared a white paper on the impact of.

- Provided investment recommendations by doing quantitative financial analysis and valuation of 18 banking stocks across 8 Eastern European countries using Excel and VBA- Developed a tool (VBA, Excel) for evaluating the impact of FinTech technologies on investment cases of banking stocks- Initiated analytical coverage of Polish and Georgian banks building.

London, United Kingdom

I archived and digitized Soviet-era social and economic statistical publications, developed a clean-up process and cataloged the result into a database. The data spanned 40 Soviet regions over 50+ years and was sourced from rare public repositories.

- Participated in a consulting project for a transportation company where I analyzed financial statements and built financial models, prepared market research and presentations.- Conducted research on telecom industry regulation for a client.

Master Of Science - Ms, Data Science

Master Of Arts - Ma, Economics

Coursework in applied micro-econometrics, econometrics, international economics, and applied industrial organization. Wrote a thesis in.

Specialist, Mathematical Methods In Economics

Department of Economics, Mathematical Methods in Economics Graduated Summa Cum Laude.