Large Language Models (LLMs) Jobs - December 2025

Cassidy (https://cassidyai.com) is a no-code platform that allows businesses to build custom AI assistants that automate complex business processes, powered by internal company data. By connecting to a company’s knowledge (docs, wikis, calls, etc.) and levera…

At foam we’re building the first telemetry and production system designed for LLMs, giving them complete visibility into and control over running software. Today we’re making money by fixing bugs as they happen, tomorrow we’re the data layer for all productio…

Surge AI is hiring senior engineers and other roles to build human infrastructure for AI and LLMs. They operate a large human data platform and work on RL environments, agentic workflows, and RLHF data collection (examples: GSM8K dataset, Anthropic Claude RLH…

I am looking for a postdoctoral fellow interested in the intersection of programming languages and artificial intelligence, in particular verification and large language models. Our main goal is to create a PL+AI system that is the best at verified program sy…

Layer Health, founded in 2023 by machine learning researchers from MIT and Harvard Medical School, is building an AI layer to synthesize information from medical records to accelerate clinical registry abstraction and improve patient care. Headcount ~33, hiri…

Currently the Head of Data Engineering, Data Science, AI & Big Data Analytics at a Series A start-up. I have over 16 years of hands-on experience in the field and have been responsible for building a data platform and all data products from scratch. I have al…