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Valtech

Senior Data Scientist

Valtech

Senior Data Scientist driving advanced analytics and AI-powered decision intelligence at Valtech. Collaborating to build production-grade systems impacting business outcomes.

Posted 6/9/2026full-timeRemote • 🇲🇰 North MacedoniaSeniorWebsite

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.
  • Work at the intersection of data science, machine learning, and GenAI, turning complex data into actionable insights, automated decisions, and intelligent workflows.
  • 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, contributing to shared modeling standards and cross-functional AI architecture.
  • 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 (e.g., optimization, prioritization, trade-offs).
  • Integrate GenAI capabilities (e.g., LLMs, RAG pipelines, agent-based systems) into data science workflows.
  • Contribute to the development of intelligent agents and AI-assisted decision-making systems.
  • Combine structured data models with unstructured data and GenAI outputs.

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 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
  • Private health insurance
  • Education program
  • Wellbeing program
  • Free beverages
  • Events
  • Competitive conditions
  • Challenging projects
  • Cool colleagues
  • Honest feedback

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
machine learningstatisticsdata sciencecausal inferenceforecastingoptimizationanalytical modelingPythonSQLmodel lifecycle management
Soft Skills
problem-solvingcollaborationcommunicationbusiness impact focusanalytical framework translation