Senior Data Scientist

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Sport AllianceFitness SaaS

Workplace type: remote; Locations: Warszawa, Przyokopowa, Warszawa, Country code: PLFull-TimeSenior

Salary21,000 - 28,000 PLN per month

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Job Details

Languages: English at C1 level or above.
Experience: 5+ years of hands-on experience building and deploying machine learning solutions in production.
Required Skills: AWSPythonSQLMachine LearningData scienceTerraformdbtscikit-learn

Have 5+ years of hands-on experience building and deploying machine learning solutions in production.
Bring strong knowledge of statistics and classical machine learning.
Use sound judgment to select approaches suited to the problem, scale, and cost.
Have experience owning ML projects end-to-end, including data preparation, modelling, deployment, and monitoring.
Have strong hands-on Python skills and experience with scikit-learn or similar frameworks.
Have strong SQL skills.
Be proactive and comfortable working on problems that are not fully defined.
Communicate clearly and work effectively with technical and non-technical colleagues.
Have English proficiency at C1 level or above.
Experience with AWS, Terraform, or dbt is a plus.
Experience with LLMs or GenAI-based solutions is a plus.
German language skills are a plus.

Build and deploy production-ready ML solutions, focusing on classical ML and statistical methods.
Own models end-to-end, from data pipelines and modelling through deployment and monitoring.
Improve the scalability and reliability of existing ML data pipelines.
Work with software engineers and product managers to turn business problems into practical solutions.
Identify where ML and GenAI can solve product and business problems and choose an appropriate approach.
Work with platform and LLM Ops teams when additional infrastructure support is needed.
Help shape the ML and AI roadmap and identify high-impact opportunities.

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