Petr Polezhaev
Senior Data Scientist @SIXT
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WORK HISTORY
Senior Data Scientist @SIXT
Munich, DE
EDUCATION
Orenburg State University (OSU)
Specialist Degree
Orenburg State University (OSU)
Diploma of professional development in computer security
Orenburg State University (OSU)
A post-graduate course, PhD-student
ABOUT PETR POLEZHAEV
With 14+ years of experience as a motivated data scientist, I have a proven record of delivering successful projects in AI-based customer support, recommendation systems, educational platforms, solutions for computer networking, and clouds. I am passionate about learning new technologies and applying them to real-world problems. I enjoy working with data and finding patterns, insights, and solutions that create value for customers and businesses. I am also a good team player who can collaborate, communicate, and contribute effectively to achieve shared goals. Programming languages: Python (8 years+), C#(3 years+), C/C++(3 years+). NLP skills: large language models, retrieval augmented generation, self-reflection, LLM evaluation, chat bot development, prompt engineering, sentiment analysis, text classification, summarisation, clustering ML skills: data engineering, data wrangling, feature engineering, classification and regression models, multi-armed bandits, clustering, A/B-tests, MLOps, data/model drift, SQL DBMS: Athena, ClickHouse, MySQL, Redis Software development skills: system design, OOP, SOLID, patterns, Scrum, code reviews Infrastructure solutions: AWS, Nginx, Docker, OpenNebula Tools: Jupyter Notebook, PyCharm, Git, Jira, Confluence, Jenkins, Poetry
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