Alexander Polyakov

Background

About Alexander Polyakov

I have over 6 years of experience in data science, machine learning, a/b testing and data analytics, NLP and LLM, I have developed complex tech systems and managed innovative projects across multiple industries and domains: tech, banking, retail. I have a strong history of driving business growth and enhancing customer experience. As a Senior Data Scientist at Wise, I am focusing on data science, machine learning, data analytics and data engineering for customer understanding. This includes deep understanding of business processes and communicating with stakeholders, as well as team leadership and mentoring. I thrive on taking on new challenges and have collaborated with various teams, managing cross-team efforts, even when facing tight deadlines. My strategic leadership combines technical expertise, visionary insights, understanding of business dynamics to promote innovation and deliver measurable outcomes in complex technological environments. TECHNICAL SKILLS Data and statistics: A/B testing; SQL (Snowflake, Greenplum, Teradata, PostgreSQL); BI (Superset, Grafana, Looker; Folium); Big Data (Hadoop, Hive, Pyspark); Pipelines (Airflow, DBT; MLFlow) Machine Learning: Sklearn; Pandas; Numpy; XGBoost; Catboost; LightGBM; Faiss; LightFM Programming: Python; SQL; AWS; Docker; Git; Streamlit Deep Learning: PyTorch; NLP; LLM; LangChain