Position: Data Scientist (freelance)
Category: Data Science
English level: intermediate
Years of experience: 2

Built an algorithm for optimizing auto-responses in online chat (minimizing human participation, programming bot auto-responses)

Sentiment Analysis of comments in the social network on a certain topic (political parties before elections)
2 years experience in data analytics (financial organization)

Programming Languages :

-R (preferred)
-Python 
-SQL

Skills:

- Text Mining: n-grams, tokenization, lda, topic modeling, wordcloud, sentiment analysis
- Math. models: linear regression, logistic regression, decision trees, xgboost, clustering (k-means, Kohonen maps). Experience in recommender system (using SVD)
- Using mathematical models for commertional goals
Interesting data science projects with hard but real tasks