Full-time

Data Scientist (Remote)

Posted by Keystone Recruitment • Brazil, Brazil, Brazil

📍 Brazil, Brazil 🕒 February 26, 2026

About the Role

Experienced data scientists support AI model improvement through dataset analysis, statistical modeling, and performance evaluation. This flexible remote contract applies 3+ years of analytical expertise to research initiatives focused on enhancing intelligent system capabilities.

Key Responsibilities
  • Analyze datasets to extract insights informing AI model design and refinement
  • Develop statistical models, machine learning techniques, and evaluation frameworks
  • Conduct performance assessments and data quality reviews on model outputs
  • Build reusable tools for data processing, visualization, and standardized reporting
Essential Qualifications
  • 3+ years experience in data science, machine learning, or analytical roles
  • Strong Python proficiency with pandas, NumPy, scikit-learn libraries
  • Experience with large-scale data environments and version control workflows
  • Advanced statistical analysis, exp...

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