Researcher, Post Training

Cartesia is a pioneering company in AI, focused on building interactive intelligence that can process vast streams of data. The Researcher on the Post-Training team will develop methods and systems for enhancing multimodal models' adaptability and alignment with human intent, directly influencing how these models learn and improve.

Responsibilities:

• Own research initiatives to improve the alignment and capabilities of multimodal models
• Develop new post-training methods and evaluation frameworks to measure model improvement
• Partner closely with research, product, and platform teams to define best practices for creating specialized models
• Implement, debug, and scale experimental systems to ensure reliability and reproducibility across training runs
• Translate research findings into production-ready systems that enhance model reasoning, consistency, and human alignment