Principal Research Engineer, Post-training
Character.ai- Location
- Not specified
- Work mode
- On-site
- Type
- full time
- Listed
Applications go directly to Character.ai. Ramai takes no fee for placement and no money for ranking.
[ About this role ]
Principal Research Engineer on the Post-Training team at Character.AI. This role drives the technical vision and execution of systems that transform foundation models into intelligent products, focusing on post-training top-tier OSS LLMs for role-playing chat features. Responsibilities include technical leadership, research, model development, and cross-functional collaboration.
Skills and focus areas
- technical leadership
- mentorship
- technical roadmap definition
- production reliability
- scalability
- best practices for experimentation
- model development
- deployment
- alignment algorithms
- optimization techniques
- training objectives
- data efficiency
Summary written by Ramai from the original posting. Full details and requirements are on Character.ai’s careers page.
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