AI Generalist

Explore remote AI Generalist jobs in Lisbon for 2026. Join Rex.zone to power AI training pipelines through data labeling, RLHF, and large language model evaluation. As an AI Generalist, you will shape the future of machine learning by ensuring training data quality, executing prompt evaluation, and driving model performance improvement across diverse NLP and computer vision workflows.

Core Responsibilities in AI/ML Training Pipelines

As a senior AI Generalist, you will handle diverse tasks ranging from named entity recognition to content safety labeling. You will collaborate with AI labs, tech startups, and annotation vendors to refine LLM training pipelines. Daily workflows include executing prompt evaluation, conducting QA evaluation on generated outputs, and structuring high-quality datasets for machine learning models. Whether you have a background in freelance annotation or full-time AI engineering, this remote role demands high adaptability and precision to meet the evolving needs of the AI industry.