Business oriented Data Scientist with 8+ years in different domains (the main experience is in e-commerce)Technical Skills & Tools: Python, SQL, Superset, RLast 3 years I also performed functions of a manager. I help companies extract measurable business value from data science initiatives. Some examples include:•Workforce scheduling system reduced CPO by 2%, increased conversion by 5 pp.•Integrated Business Planning System for Kazatomprom reduced the time spent for business plans consolidation from 10 days to 1•MVP of ATM Cash Management reduced spends on fulfillment by 13% in one of top-15 Russian bankI get excited about opportunities where I’m able to use my data science and analytics translation experience to help companies get the most out of data and analytics.
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Head Of Data And AnalyticsSundayHamburg, Hh, De -
Lead Data ScientistSunday Jul 2023 - PresentHamburg, Germany
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Lead Data Scientist (Commercial And Operations)Утконос Apr 2022 - Jun 2023Москва, Россия- Designed and headed implementation of workforce scheduling system which reduced assemble CPO by 2% and increased conversion by 5 pp. In addition: - developed the optimization model (OR-tools), - automated data pipelines with Airflow, - modified Streamlit app- Led DS team (DS, FE, BE, BA)- Conducted pricing AB-test which showed 5% margin growth (Superset as BI) -
Head Of Sas Data Laboratory (Data Science Manager)Sas Feb 2021 - Mar 2022Москва, Россия- Led 4 analytical groups: ML, Optimization, DL&CV and BI (13 people)- Co-developed with directors the strategy of Data Laboratory and set research directions - Qualified all analytical opportunities (go/no-go decisions)- Developed the framework of typical analytical services to accelerate sales process (from half year to 3 months)- Designed and participated in different marketing activities (interviews, press tour, webinars) -
Optimization Practice Team LeadSas Jan 2020 - Jan 2021Москва, Россия- Supervised forecasting and optimization group (6 people in team)- Under my leadership there were several successful optimization POCs/projects in new business areas (Fuel delivery optimization, Train composition optimization)- Primary qualification of all optimization and forecasting requests
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Senior Analytical ConsultantSas Jan 2019 - Dec 2019Москва, Россия- Opportunity manager in forecasting and\or optimization projects (end-to-end customer engagement process) (price optimization, employee schedule optimization, ATM cash management, marketing optimization, maintenance optimization, logistics optimization)- Hosted webinars and spoke at SAS Forum Russia 2019
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Analytical ConsultantSas Apr 2017 - Dec 2018Москва, Россия- Led analytical team in complex and innovative project – Integrated Business Planning for one of the biggest companies in Kazakhstan- Completed several forecasting POC/POV in different business areas (from problem statement to business case calculation and results demonstration) - Hosted trainings (internals and for clients) and spoke at SAS Business Forum Almaty 2018
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Data ScientistLamoda Group Apr 2015 - Feb 2017Москва, РоссияDeveloped:- short-term sales forecasting models on SKU level in R- optimization model in R which suggest the optimal markdown- interactive reports using R Shiny -
AnalystLamoda Group Jul 2014 - Mar 2015Москва, Россия- Developed the approach to model products return and implemented it in R- Participated in project to optimize the matching process of delivery men with routes by using Hungarian algorithm- Performed market basket analysis, which identify products that go well together, and automatized the process in VBA
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InternLamoda Group Feb 2014 - Jun 2014Москва, Россия- Automatized the process of calculating elasticity coefficients in Excel by using VBA- Developed the core of forecasting process in R- Prepared raw data for analysis by building SQL queries and using SAP BO
Roman Vasilyev Education Details
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Mathematical Methods In Economics
Frequently Asked Questions about Roman Vasilyev
What company does Roman Vasilyev work for?
Roman Vasilyev works for Sunday
What is Roman Vasilyev's role at the current company?
Roman Vasilyev's current role is Head of Data and Analytics.
What schools did Roman Vasilyev attend?
Roman Vasilyev attended State University Of Management (Sum).
Who are Roman Vasilyev's colleagues?
Roman Vasilyev's colleagues are Ramon Akodu, Nikola Jovanovski, Ehsan Kamali, Gürkan Izmirligil, Berati Çapaal, Husamettin Yuzer, Alice Winteler.
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Roman Vasilyev
San Jose, Ca -
Roman Vasilyev
Chief Commercial Officer At Eastwind – Software Solutions For Telcos And BanksMoscow1eastwind.ru -
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