Position: Senior Data Scientist
Company: A-HR
Experience required: 2y

Our client is an international product company that specializes in delivery of products from leading hypermarkets, at the moment they work in 16 cities of Ukraine, as well as in Moldova and Uzbekistan.

**Requirements:**
• 2+ years of experience in development or working with recommender systems.
• Experience using Python and SQL.
• Experience with pandas, numpy, scipy, scikit-learn.
• Experience with visualization tools such as matplotlib, seaborn, plotly on.
• Experience in using Big Data technologies (Kafka, Amazon S3, Spark, BigQuery, Clickhouse).
• Understanding the advantages, disadvantages, and challenges that are addressed by the various machine learning approaches (clustering, DECISION trees, SVMs, neural networks, etc.).
• Knowledge and experience of mathematical statistics (regression, probability distribution, testing statistical hypotheses, etc.).
• Iterativity and constant focus on the quality of the result.
• Ability to prepare the constructed model for production, designed in the form of a WEB-service.
• Experience in ETL pipeline creation.

**Would be a plus:**
• Experience with neural networks autoencoders and factorization machines.
• Experience with keras, tensorflow, pytorch.
• Knowledge of Docker.
• Participation in the Hackathon.

**As a part of the team you will:**
• Solve product tasks of the company.
• Working with real given end users, developing and optimizing recommender systems.
• Study and implementation of complex state-of-the-art algorithms in the field of machine learning.
• Work closely with other teams to explore new possibilities and insights.
• Development of a data monitoring system for obtaining information about their correctness and ensuring the stability of the analytics complexes.
• Evaluating technical tradeoffs for each solution.
• Visualization of results and creation of dashboard to effectively deliver your vision.

**Benefits:**
• Interesting projects and real influence on the development - a leading company in the food delivery market.
• Difficult and interesting tasks, prospects for professional and career growth, practice of working with a large amount of data.
• Medical insurance.
• Fruits in the office.
• Board games, table tennis, yoga classes, IT library, team building events.
• Free delivery through our service.
• Continuous training: we try to conduct weekly trainings in different directions (Frontend / Backend / QA), build Personal Development
Plans, provide an opportunity to improve professional skills with a 50% discount on courses and conferences.
• Vacation 24 calendar days.
• Office in a 10-minute walk from Lybidska metro station (an employee can work both in the office and remotely).