Machine Learning Engineer

We are developing virtual humans capable of natural and engaging conversations by leveraging cutting-edge technologies such as ASR (Automatic Speech Recognition), TTS (Text-to-Speech), LLMs (Large Language Models), and RAG (Retrieval-Augmented Generation).Join our startup in the exciting early 0→1 phase and experience the entire journey of company growth. As our organizational structure is still evolving, you’ll gain valuable hands-on experience in building systems and processes from the ground up—not just improving existing ones.Responsibilities

Train models with client-specific and character-specific data to generate accurate responses and validate their precision

Evaluate and improve dialogue system outputs

Conduct research and development to enhance the conversational quality of virtual humans

Tech Stack

Programming Language: Python

Infrastructure: AWS, Azure

Version Control: GitHub

Collaboration Tools: Slack, Notion, Google Workspace

Requirements

Expertise and hands-on experience in machine learning or natural language processing

Professional English proficiency for business communication

Experience with data validation and model evaluation

Nice to Have

Basic Japanese skills, particularly for oral communication, appreciated

Knowledge of game engines

Prior startup experience