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September 2, 2026

Senior Data Scientist / ML Engineer

Senior • Remote

19,320 - 25,200 PLN/yr

Warsaw, MZ, Poland

As a Senior Data Scientist / ML Engineer, you will work with technology experts on challenging projects across industries using cutting-edge technologies.

Example projects include:

  • An AI-driven optimization engine for airport operations management, using real-time radar, air-traffic, and passenger data.
  • AWS-powered recommendation solutions using sophisticated LLMs to provide domain-specific recommendations.

Quick Facts

  • Develop, implement, and validate Machine Learning models that support business objectives.
  • Design AI solutions for complex business challenges and measurable value.
  • Research, test, and select tools, technologies, and AI solutions that meet business requirements.
  • Translate client needs and business problems into data science problems.
  • Architect and oversee data pipelines and workflows, including data-quality and security standards.
  • Coordinate with Data Engineering and Software Engineering teams on AI application development.
  • Present findings and recommendations clearly to stakeholders.
  • Prioritize and control tasks in an Agile/Scrum framework to ensure timely delivery.

What you’ll need to succeed in this role

  • 5+ years of commercial experience designing and implementing scalable AI solutions in Machine Learning, predictive modeling, optimization, NLP, Computer Vision, or GenAI.
  • Ability to develop ML algorithms from scratch through production deployment.
  • Strong Python skills, including clean code, OOP design, and ML libraries such as Scikit-Learn, PyTorch, and TensorFlow.
  • Experience deploying solutions in AWS or Azure cloud environments.
  • Knowledge of LLM applications, including AI agents, semantic search, prompt engineering, multimodal embeddings, and RAG.
  • C1 English proficiency.
  • Excellent communication skills and consulting experience with direct client interaction.
  • Experience with SQL and NoSQL databases, including MongoDB, Snowflake, and Databricks.
  • Knowledge of CI/CD principles, GitHub, and GitHub Actions.
  • Familiarity with MLOps practices, Kubernetes, and Docker.
  • Master’s or Ph.D. in Computer Science, Data Science, Mathematics, Physics, or a related field.
  • Experience with Spark, Hadoop, and Kafka is a plus.
  • Leadership and mentoring experience is highly desirable.

Benefits

  • Work in a supportive team focused on AI and Big Data.
  • Work on international projects with global enterprises and startups.
  • Flexible remote, office, and coworking work arrangements.
  • Career paths, knowledge-sharing initiatives, language classes, and sponsored training or conferences, including Databricks and Anthropic training materials and certifications.
  • Team-building events and an integration budget.
  • Work-anniversary, birthday, and milestone celebrations.
  • Medical and sports packages, eye care, and well-being support, including psychotherapy and coaching.
  • Full work equipment, including a laptop and necessary devices.
  • Opportunities to build a personal brand through conferences, blog writing, and meetups.
  • Dedicated buddy-supported onboarding in a supportive and autonomous culture.

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