AI Engineer Jobs in the United States

About The Role

As an AI Engineer in the United States (Remote) via Rex.zone, you will design, build, and operate ML systems that move from experimentation to production. The work includes training and fine-tuning models (including LLMs), establishing evaluation harnesses, and using RLHF-style feedback loops where appropriate.

Required Qualifications

• Mid-Senior experience shipping ML systems into production
• Strong Python engineering skills and familiarity with ML libraries
• PRACTICAL experience with model training, fine-tuning, and evaluation workflows
• Understanding of training data quality, labeling noise, and QA evaluation methods
• FAMILIARITY with LLM training pipelines and prompt evaluation practices

How To Apply

Search Rex.zone for AI Engineer jobs in the United States and apply to roles that match your domain and stack. Highlight production ML impact, evaluation methodology, and measurable reliability/performance improvements.