Lead Data Scientist with Prophet, Python

We're looking for a Lead Data Scientist to create data-driven "should-cost" models that predict fair pricing for goods and services, using time-series and econometric approaches to power procurement analytics.

Responsibilities

• Build "should-cost" models through time-series and econometric methods
• Integrate macroeconomic factors and economic indicators as cost drivers
• Model relationships linking commodity prices, spend data, and external economic variables
• Ensure model outputs are interpretable to stakeholders by highlighting the factors behind each cost estimate
• Use time-series cross-validation techniques to guarantee model reliability
• Guard against data leakage and overfitting within time-series models
• Differentiate between correlation and cointegration, identifying when each is applicable
• Choose appropriate features for econometric and time-series models
• Utilize spend data and commodity price indexing to enhance procurement analytics

Requirements

• 5+ years in data science, specializing in econometric and time-series modeling
• Skilled in Python, Prophet, and Chronos
• Background in procurement analytics, including spend data and commodity price indexing
• Knowledge of economic indicators, spend analysis, commodity pricing, and supplier diversity metrics
• Strong command of time-series cross-validation and explainable AI
• Demonstrated skill in preventing data leakage and overfitting in time-series models
• Clear grasp of the distinction between correlation and cointegration, and their respective use cases
• B2-level English proficiency or above

Benefits

We connect like-minded people:

• Delivering innovative solutions to industry leaders, making a global impact
• Opportunity to work abroad for up to two months per year

We invest in your growth:

• Leadership development, career advising, soft skills and well-being programs
• Unlimited access to EPAM's internal learning database
• Free English classes with certified teachers

We cover it all:

• Comprehensive medical & family care package
• Seven trust days per year (sick leave without a medical certificate)
• Discounts from 800+ partners (sports activities, restaurants, stores and services)

We connect like-minded people

• 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

We invest in your growth

• 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

We cover it all

• Participation in the Employee Stock Purchase Plan
• Monetary bonuses for engaging in the referral program
• Comprehensive medical & family care package
• Five trust days per year (sick leave without a medical certificate)
• Benefits package (sports activities, a variety of stores and services)

We connect like-minded people:

• 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

We invest in your growth:

• 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

We cover it all:

• 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

We connect like-minded people:

• 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

We invest in your growth:

• 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

We cover it all:

• 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
• Discounts for fitness clubs and sports programs
• Benefits package (sports activities, a variety of stores and services)

We connect like-minded people:

• 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

We invest in your growth:

• 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 offline courses for the Uzbek language

We cover it all:

• Monetary bonuses for engaging in the referral program
• Medical & family care package
• Four trust days per year (sick leave without a medical certificate)
• Discounts for fitness clubs, dance schools and sports programs
• Benefits package (sports activities, a variety of stores and services)