Model Behavior Model Designer
Artificial-intelligence research and product company building customizable AI systems, including the Tinker training API and Inkling open-weight models.
Maintainer signals as of 9/25/2026
Funding history
About Thinking Machines Lab
Thinking Machines Lab develops AI products that let researchers and developers fine-tune and use models, while also releasing open-weight multimodal models.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will work with researchers to understand and shape model behavior. You will design model collaboration and interaction defaults, partner on live and multimodal interfaces, collect high-quality data, define evaluations, analyze feedback and quantitative insights, and manage projects that improve how models collaborate with people.
Requirements
- Written communication
- User research across varied populations, domains, or cultures
- Experience in product design, UX research, content design, conversation design, or model behavior work
- Model behavior design
- Large language model experience
- Prompting
- Model evaluation
- Experiment design
- Quantitative analysis
- A/B testing
- Product design
- UX research
Responsibilities
- Work with researchers to understand, predict, and shape model behavior
- Design model collaboration, initiative, oversight, and feedback interactions
- Build adaptable interaction defaults
- Partner on live and multimodal interfaces
- Collect high-quality data
- Define evaluations for human-model collaboration
- Identify improvements using feedback, quantitative insight, and research priorities
- Manage multiple projects on tight timelines
Benefits
- Health benefits
- Dental benefits
- Vision benefits
- Unlimited PTO
- Paid parental leave
- Relocation support