Team Lead, Machine Learning - Post-Training

**About the company:** Starley Minato-ku, Tokyo At Starley, we’re developing "Cotomo," a leading voice-based AI conversation platform. Our goal is to redefine how humans interact with AI. Read more **Responsibilities:** Lead post-training and alignment efforts for Cotomoʼs LLM and voice models. Design systems that ensure personality, memory, and emotional depth. Collaborate across teams to turn research into production-ready features. Stay current with LLM/ASR/TTS research and apply advances meaningfully. Requirements Hands-on experience with LLM post-training (SFT, LoRA, DPO, etc.). Strong coding skills in Python and ML frameworks like PyTorch. Experience leading or mentoring in ML teams. Product-focused mindset—ship fast, learn fast. Nice to haves While not specifically required, tell us if you have any of the following. Deep interest in anime, manga, or games. Open-source or published work in ML/LLM/Voice. Background in persona modeling or interactive agents. Experience in fast-moving startups or R&D teams. Compensation ¥9,000,000 ~ annually. With performance-based stock options. **Requirements:** Hands-on experience with LLM post-training (SFT, LoRA, DPO, etc.). Strong coding skills in Python and ML frameworks like PyTorch. Experience leading or mentoring in ML teams. Product-focused mindset—ship fast, learn fast. **Nice to have:** While not specifically required, tell us if you have any of the following. Deep interest in anime, manga, or games. Open-source or published work in ML/LLM/Voice. Background in persona modeling or interactive agents. Experience in fast-moving startups or R&D teams. **Compensation:** ¥9,000,000 ~ annually. With performance-based stock options.