Baseten is seeking a Post-Training Research Engineer to build in-house tooling for post-training AI models at scale. This role involves deep technical dives into ML techniques, distributed computing, and systems-level concepts to support customer custom models, which are critical for Baseten's inference platform.

Software Engineer focused on building and shipping training products for AI companies, working across the full stack from API to infrastructure, including fine-tuning models and partnering with research engineers. The role involves developing features like multi-node training and serverless RL, with a focus on developer experience and reliability.