Data Scientist – Python (Remote)

About the role

We are looking for a remote Data Scientist with strong Python expertise to develop, train, and fine‑tune AI models for a global technology leader. You will work closely with researchers and annotators, applying reinforcement learning with human feedback to improve model performance.

Key responsibilities

• Design, develop, and maintain high‑quality Python code for AI model training and optimization.
• Run evaluations to benchmark model performance and analyse results for continuous improvement.
• Rank AI model responses to user queries across diverse domains, ensuring alignment with predefined criteria.
• Produce clear explanations and rationales for evaluation outcomes.
• Lead supervised fine‑tuning efforts, including creation and maintenance of task‑specific datasets.

Required profile

• Proven experience in data science and machine learning.
• Strong analytical mindset with the ability to extract insights from public data sources.
• Excellent written communication, especially in Jupyter notebooks or similar formats.
• Attention to detail in bug fixing and technical documentation.

Required skills

• Python programming
• Data analysis
• Machine learning techniques
• Jupyter notebooks

What we offer

• Competitive compensation based on experience.
• Fully remote work environment.
• Opportunity to contribute to cutting‑edge AI systems for a global leader.