Alexander Polyakov Email and Phone Number
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
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Senior Data ScientistWise Jan 2023 - PresentLondon Area, United Kingdom❖ Created a CRM personalization framework using machine learning models for new product discovery and promotional offers. This initiative increased key metrics, such as Product Adoption and LTV, by over 8%❖ Developed an A/B testing platform and segmentation framework, including evaluation, pipelines, dashboards, streamlit app. This tool empowered over 40 product analysts in the company to design and evaluate their experiments, accelerating decision-making by a factor of three❖ Developed LLM services for evaluating customer reviews using RAG and conducting marketing geo-experiments. These services significantly improved the processing of user feedback and accelerated decision-making on key products by a factor of four❖ Facilitated cross-functional collaboration among Data Science, Product and Marketing teams to enhance operational efficiency and strengthen organisational cohesion. Managed junior team members and mentored two collaborative projects between Wise and LSE in A/B testing and causal inference
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Senior Data ScientistSberbank Jul 2021 - Aug 2023Moscow, Russia❖ Developed machine learning models for the opening and closing of bank branches based on geodata and customer features. These models contributed to a 3% increase in the bank's profit❖ Created various customer response models tailored to different products for improved targeting. These models contributed to a 2% increase in the bank's profit❖ Significantly improved bank branch analytics and A/B testing processes and enhanced the company's grocery delivery ecosystem using customer logs and geo-visualization tools❖ Managed team members and established communication between different departments -
Data ScientistYandex Aug 2020 - Jul 2021Moscow, Russia❖ Developed a ride time forecasting machine learning model using geo and customer data to enable more efficient pricing. This model resulted in a 4% increase in profit❖ Created a ride destination recommendation model to enhance the user experience, resulting in a 5% improvement in user activity metrics❖ Developed an uplift modeling framework for optimal targeting. This model improved promotional effectiveness and increased profit metrics by 2%❖ Conducted various product and pricing experiments that resulted in a 3% improvement in key metrics -
Guest TeacherNational Research University — Higher School Of Economics Jun 2020 - May 2021Moscow, Russia❖ Led courses on machine learning and data analytics as an additional activity -
Data ScientistSberbank Nov 2018 - Aug 2020Moscow, Russia❖ Developed various credit risk machine learning models, resulting in a 6% increase in profit metrics❖ Built data collection and predictive modelling pipelines❖ Analyzed data to assess the applicability of machine learning models and engaged with stakeholders
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Researcher, Laboratory AssistantJoint Institute For High Temperatures Of The Russian Academy Of Sciences Sep 2017 - Oct 2018Moscow, Russia❖ Conducted research in quantum physics utilizing computer modeling and mathematical calculations
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Data Science InternSberbank Jul 2018 - Sep 2018Moscow, Russia❖ Developed credit risk machine learning models and new customer features
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Data Science InternX5 Retail Group May 2018 - Jul 2018Moscow, Russia❖ Developed text classification and topic modeling approaches for the customer experience team, resulting in improved text matching and a 50% acceleration in decision-making
Alexander Polyakov Education Details
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Applied Mathematics And Informatics
Frequently Asked Questions about Alexander Polyakov
What company does Alexander Polyakov work for?
Alexander Polyakov works for Wise
What is Alexander Polyakov's role at the current company?
Alexander Polyakov's current role is Senior Data Scientist at Wise | Kaggle Competitions Master | ML, A/B, LLM, Data Analytics.
What schools did Alexander Polyakov attend?
Alexander Polyakov attended Higher School Of Economics.
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Alexander Polyakov
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Alex Polyakov
Data Architect | Sap Datasphere Architect | Analytics Solution Architect | Data Warehouse Architect | Business Analyst | ConsultantRickmansworth1inbox.lv -
Alex Polyakov
Senior Product Manager At Association Of International Certified Professional AccountantsGreater London3ea.com, iquate.com, itamsolutions.com
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