Job Description
Career Opportunity for a Research Engineer / Research Scientist (Deep Research /
Information Retrieval) in Japan!
■ Research Engineer / Research Scientist (Deep Research / Information Retrieval)
■ Company Overview
Japan-based AI technology company developing advanced large-scale language models and next-generation AI platforms, focused on delivering innovative AI-driven products and competing with leading global AI players.
■ Your Role and Responsibilities
● Develop and evaluate in-house Deep Research systems.
● Perform data synthesis and reinforcement learning for Deep Research.
● Train text embedding models and re-ranking models.
● Train foundational models specifically for retrieval.
● Construct data and search infrastructure for R&D.
● Prototype AI products and LLM agents using information retrieval technologies.
■ Experience and Qualifications
● Expertise in at least one of the following: search systems, recommendation systems, embedding representations, or Retrieval-Augmented Generation (RAG).
● Experience in team-based development using software platforms like GitHub.
● Experience reading academic papers and either reproducing implementations or modifying algorithms.
■ Additional Preferred Qualifications
● 3+ years of development experience in Natural Language Processing (NLP), Information Retrieval, or Recommendation systems.
● Medal-winning experience in data science competitions such as Kaggle.
● 3+ years of experience developing or operating large-scale search or recommendation systems.
● Experience developing machine learning models using multiple GPUs.
● Experience presenting at international conferences.
● Experience fine-tuning local LLMs or text embedding models.
● Contributions to Open Source Software (OSS).
● Experience in project management or serving as a Tech Lead.
■ Good Reasons to Join
● Opportunity to work on advanced AI technologies and large-scale machine learning systems
■ Work Location
Tokyo, Japan
Details will be provided during the meeting.