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Senior AI Model Fine-Tuning Engineer

USA-Arizona💼 Full-time🗓 2026-04-02 → 2026-09-12

Core

Adjusting the behavior and functional abilities of AI models to make them adaptable, intelligent, and aligned with real-world use cases.

Role type

Senior AI Model Fine-Tuning Engineer

Builds

High-quality, context-aware AI model responses for digital applications

Domain

Artificial Intelligence / Large Language Models (LLMs)

Deliverable

production ML models

Required skills

Fine-tuning large-scale models (GPT, T5, BERT), RLHF, prompt engineering, transformer architectures, Python, model evaluation metrics (BLEU, ROUGE, perplexity)

Preferred skills

Ethical AI and safety considerations, model deployment, real-time experimentation (A/B testing)

Technologies

Hugging Face, TensorFlow, Pytorch, Transformers, DeepSpeed

Responsibilities

Lead fine-tuning of large pre-trained models for specific contexts; Design and implement prompt engineering strategies; Apply RLHF and behavioral fine-tuning methods; Collaborate with data teams to integrate relevant data; Conduct model evaluations using performance metrics; Iterate and experiment with fine-tuning methods; Monitor model drift and ensure consistency and safety

Seniority

Senior, hands-on IC

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