Data scientist in procurement analytics

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• Develop "should-cost" models using time-series and econometric methods
• Incorporate macroeconomic factors and economic indicators as drivers of cost
• Model the relationships between commodity prices, spend data, and external economic variables
• Make model outputs explainable to stakeholders, showing which factors drive each cost estimate
• Apply time-series cross-validation techniques to ensure model robustness
• Prevent data leakage and overfitting in time-series models
• Distinguish between correlation and cointegration, and determine when each applies
• Select relevant features for time-series and econometric models
• Work with spend data and commodity price indexing to support procurement analytics

• 3+ years of experience in data science, with a focus on time-series and econometric modeling
• Proficiency in Python, Prophet, and Chronos
• Experience in procurement analytics, working with spend data and commodity price indexing
• Understanding of economic indicators, spend analysis, commodity pricing, and supplier diversity metrics
• Expertise in time-series cross-validation and explainable AI
• Proven ability to prevent data leakage and overfitting in time-series models
• Understanding of the difference between correlation and cointegration, and when each applies
• English proficiency at B2 level or higher

• Delivering innovative solutions to industry leaders, making a global impact
• Enjoyable working environment, whether it is the vibrant office or the comfort of your own home
• Opportunity to work abroad for up to two months per year
• Relocation opportunities within our offices in 55+ countries
• Corporate and social events
• Leadership development, career advising, soft skills and well-being programs
• Certifications, including GCP, Azure and AWS
• Unlimited access to EPAM's internal learning database
• Free English classes with certified teachers
• Discounts in local language schools, including online courses for the Kazakh language
• Participation in the Employee Stock Purchase Plan
• Monetary bonuses for engaging in the referral program
• Medical & family care package
• Six trust days per year (sick leave without a medical certificate)
• Coverage of psychology sessions of your choice
• Benefits package (sports activities, a variety of stores and services)
• Housing support program: preferential mortgage access via Otbasy Bank partnership