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Valtech

Senior Data Scientist

Valtech

Senior Data Scientist at Valtech driving advanced analytics and AI-powered decision intelligence. Collaborating on production-grade systems for various business applications.

Posted 6/9/2026full-timeRemote • 🇺🇦 UkraineSeniorWebsite

Tech Stack

Tools & technologies
AWSAzureCloudGoogle Cloud PlatformPythonSQL

About the role

Key responsibilities & impact
  • Drive advanced analytics, causal reasoning, and AI-powered decision intelligence across multiple use cases within our AI portfolio
  • Build production-grade systems that combine predictive, causal, and generative AI capabilities
  • Design and deploy systems that integrate experimentation, observational data, machine learning, and generative AI into real-time or near-real-time decision-making pipelines
  • Collaborate closely with data engineers, ML engineers, analysts, and platform teams
  • Develop and deploy machine learning models across use cases (forecasting, optimization, recommendation systems)
  • Apply statistical, predictive, and prescriptive modeling techniques to solve business problems
  • Build reusable modeling frameworks that can scale across multiple domains
  • Design and implement causal inference methods (e.g., uplift modeling, experiments, quasi-experimental methods)
  • Translate observational and experimental data into actionable business insights
  • Embed causal reasoning into decision systems that guide actions

Requirements

What you’ll need
  • Strong experience in machine learning, statistics, and applied data science
  • Experience with causal inference, experimentation, or decision science methodologies
  • Solid understanding of forecasting, optimization, or analytical modeling techniques
  • Strong programming skills in Python and SQL
  • Experience building and deploying production-ready data science or ML systems
  • Familiarity with model lifecycle management (training, deployment, monitoring)
  • Hands-on experience with at least one major cloud platform: Azure (preferred), AWS, or GCP
  • Experience working with modern data and AI platforms (e.g., Azure ML / Azure AI, Databricks, or similar ecosystems)
  • Experience working with complex, multi-source datasets (e.g., transactional, behavioral, operational data)
  • Ability to translate business problems into analytical frameworks

Benefits

Comp & perks
  • Medical insurance
  • Sports reimbursement budget
  • Home office support
  • A number of free psychological and legal consultations
  • Maternity and paternity leave support
  • Internal workshops and learning initiatives
  • English language classes compensation
  • Professional certifications reimbursement
  • Participation in professional local and global communities
  • Growth Framework to manage expectations and define the steps to move towards the selected career
  • Mentoring program with the ability to become a mentor or a mentee to grow to a higher position
  • Valtech Ukraine has a system of progressive benefits packages in place — the longer you stay with the company — the more benefits you get.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
machine learningstatisticsapplied data sciencecausal inferenceforecastingoptimizationanalytical modelingPythonSQLpredictive modeling
Soft Skills
collaborationproblem-solvingcommunicationanalytical thinkingdecision-making