Position: Data scientist
Company: urlmarketer.com
Experience required: 2y
English level: upper

Duties:

- Collection, processing and preliminary analysis of data.
- Formulation and testing of statistical hypotheses, building models, both based on classical statistical methods and ML algorithms.
- Improvement of ready-made mathematical models.
- Tuning and optimization, implementation and further support in production of mathematical models.

Required skills:

- Strong analytical and data interpretation skills.
- Experience with Python for DS (Pandas, NumPy, bs4, Selenium, Sklearn, SciPy, Keras).
- Data visualization (plotly, matplotlib etc ...).
- Experience working with raw data, understanding cleaning criteria, data mining.
- Practical experience and good understanding of various machine learning algorithms (log reg, linear regression, neural net, time series analysis).
- Good understanding of the in-depth fundamentals of statistical methods.
- Knowledge of the theory of probability and higher mathematics at a high level.
- Understanding the accuracy, interpretability, statistical significance of the results, and further use of the model results.