LLM Engineer

An LLM engineer builds software that uses large language models, the technology behind modern AI chat and writing tools. You connect models to real products, design prompts, set up retrieval systems that let a model use company documents, fine-tune models for specific tasks, and test whether answers are accurate and safe. Much of the work is engineering: building reliable pipelines, measuring quality, controlling costs, and fixing problems when the model behaves in unexpected ways. You also spend time reading research and trying new tools, because the field moves quickly.