Senior Python Engineer – Remote

About the role

We are seeking a Senior Python Engineer to join a leading large‑language‑model company. The position is fully remote and focuses on building high‑quality proprietary data sets, fine‑tuning models, and benchmarking performance.

Key responsibilities

• Design, develop, and maintain efficient Python code for training and optimizing AI models.
• Conduct evaluations and benchmark model performance, analysing results for continuous improvement.
• Evaluate and rank AI model responses across diverse domains to ensure alignment with predefined criteria.
• Lead supervised fine‑tuning efforts, creating and maintaining task‑specific datasets.
• Collaborate with researchers and annotators to implement reinforcement learning with human feedback and refine reward models.

Required profile

• Proven experience as a Python developer, preferably in AI/ML projects.
• Hands‑on experience with supervised fine‑tuning (SFT) and reinforcement learning with human feedback (RLHF).
• Strong understanding of evaluation strategies and benchmarking processes for AI models.
• Ability to design and implement data generation pipelines and model‑optimization code.

Required skills

• Python

What we offer

• Opportunity to work with a global AI leader.
• Collaboration with top researchers and engineers.
• Competitive compensation based on experience.