Post-Training AI Researcher — Alignment & Multimodal
Job in
San Francisco, San Francisco County, California, 94199, USA
Listed on 2026-07-15
Listing for:
Cartesia
Apprenticeship/Internship
position Listed on 2026-07-15
Job specializations:
-
Research/Development
AI Evaluation, AI Business & Operations, Research Scientist
Job Description & How to Apply Below
Cartesia, an AI company based in San Francisco, is hiring a Researcher for the Post‑Training team. You will design new techniques for preference optimization, model evaluation, and feedback‑driven learning, bridging research, alignment, and infrastructure at scale.
In this role, you’ll shape how Cartesia’s multimodal foundation models learn, align with human intent, and interact with people, contributing to production‑ready systems and robust evaluation frameworks.
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