Senior Data Scientist

Valtech

Senior Data Scientist driving advanced analytics, causal reasoning, and AI-powered decision intelligence at Valtech. Building systems to influence business outcomes using predictive, causal, and generative AI.

Posted 6/9/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

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
Build production-grade systems that combine predictive, causal, and generative AI capabilities
Turn complex data into actionable insights, automated decisions, and intelligent workflows
Design and deploy systems that integrate experimentation, observational data, machine learning, and generative AI
Collaborate closely with data engineers, ML engineers, analysts, and platform teams

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
Strong problem-solving skills with focus on business impact
Ability to translate complex models into actionable decisions
Strong collaboration and communication skills across technical and business teams

Benefits

Comp & perks

24 working days of paid vacation
National holidays covered
Sick leave (up to 20/year)
Unpaid leave (up to 20/year)
Medical insurance
Multisport card OR Multikafeteria
Maternity & paternity leave support
Internal workshops & learning initiatives
Professional certifications reimbursement
Participation in professional local & 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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

machine learningstatisticsapplied data sciencecausal inferenceexperimentation methodologiesdecision science methodologiesforecasting techniquesoptimization techniquesanalytical modeling techniquesPython

Soft Skills

problem-solvingcollaborationcommunicationtranslating business problemstranslating complex models