Lead Data Scientist with Linear programming, Oil & Gas

We are seeking a Lead Data Scientist to assess how current models are built and applied, identify weaknesses, and recommend improvements based on sound mathematical and operations research principles.

Responsibilities

• Identify flags such as formulation errors, infeasibilities, unboundedness, poor scaling, non-convexities, and inappropriate solver or method choices
• Assess whether each problem is modeled with the right approach, whether linear, non-linear, or convex formulation
• Determine the suitability of linear versus non-linear programming methods for a given problem
• Suggest clear, actionable improvements to models, methods, and solution approaches
• Document recommended changes and findings for stakeholders and technical teams

Requirements

• 5+ years of experience in optimization, operations research, or applied mathematics
• In-depth knowledge of Convex Optimization, including convexity, duality, and optimality conditions
• Strong command of Linear Programming, including formulation, the simplex and interior-point methods, sensitivity analysis, and duality
• Very good understanding of Linear and Non-linear Programming, including their theory, solution methods, and limitations
• English proficiency at B2 level or higher

Nice to have

• Background in Oil & Gas domain

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)