Member of Technical Staff LLM Development
Tokyo-based frontier AI R&D company that develops nature-inspired AI research and commercial AI products for enterprises and users.
Funding history
About Sakana AI K.K.
Sakana AI develops frontier AI research inspired by collective intelligence and self-evolution, alongside AI products and applied solutions for enterprises and Japan’s public sector.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will take ownership of one or more areas of LLM development, such as a capability domain or technical component. You will define goals and benchmarks, build training data, test and improve training methods with small-scale models, and apply successful approaches to large-scale models. You will form hypotheses, implement and validate solutions, and lead work within your area.
Requirements
- Master’s degree or equivalent experience
- 2+ years of practical machine learning or deep learning experience
- Experience designing, running, and debugging multi-GPU machine learning jobs in a shared compute environment
- Ability to break ambiguous problems into testable hypotheses and design decision-oriented experiments
- Business-level Japanese
Responsibilities
- Lead one or more areas of LLM development
- Define domain goals and select or build benchmarks
- Build training data for agentic mid-training, SFT, and RL
- Validate and improve data and training methods using small-scale models
- Apply data and training recipes to large-scale models and iterate
- Form hypotheses, implement solutions, validate results, and improve outcomes
Hiring Process
Resume screening, followed by a technical exercise.