Data Scientist - Python (Remote)

About the role

We are seeking a skilled Data Scientist with strong Python expertise to join a global technology leader on a full‑time remote basis. The role focuses on developing, training, and optimizing AI models while collaborating with researchers and annotators to improve model performance through reinforcement learning with human feedback.

Key responsibilities

• Design, develop, and maintain high‑quality Python code for AI model training and optimization.
• Conduct evaluations to benchmark model performance and analyze results for continuous improvement.
• Evaluate and rank AI model responses to user queries across diverse domains, ensuring alignment with predefined criteria.
• Produce clear explanations and rationales for evaluations, demonstrating strong reasoning and technical expertise.
• Lead supervised fine‑tuning efforts, including creation and maintenance of high‑quality, task‑specific datasets.

Required profile

• Proficiency in Python for data analysis and model development.
• Solid experience with data science and machine learning techniques.
• Ability to extract insights from public databases using business sense and analytical abilities.
• Strong bug‑fixing skills and experience creating thorough technical documentation.
• Excellent communication skills for articulating reasoning in Jupyter notebooks or similar formats.

Required skills

• Python
• Data analysis
• Machine learning
• Jupyter notebooks

What we offer

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