KDDI Research, Inc.
3 days ago
Fixed-term contract researcher/postdoc opening in AI at KDDI Research KDDI Research, Inc. in Japan
Degree Level
Postdoc
Field of study
Computer Science
Funding
Contract employee position with annual income of 4 million to 9 million yen, including allowances except commuting allowance. Salary increases may be given upon contract renewal; bonus system is available. Fixed-term employment with annual renewal; maximum 5 years for postdocs and 3 years for others.
Deadline
Sep 30, 2026
Country
Japan
University
KDDI Research, Inc.

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About this position
KDDI Research, Inc. is recruiting fixed-term contract researchers in the field of AI at its AI department in Saitama Prefecture, Japan. The role is focused on applied research and development, with themes including AI agents and voice dialogue AI, physical AI such as video understanding and motion generation, and next-generation AI informed by neuroscience and neuromorphic approaches.
This opportunity is suitable for candidates with a background in Computer Science, Information Technology, and related AI/ML areas, with additional overlap in Neuroscience for brain-based modeling and EEG/brain activity analysis. The work involves using GPU servers and cloud services to advance automated inquiry response agents, fine-tune and optimize multimodal and generative AI systems, and support commercialization efforts with KDDI-related departments.
Applicants must hold at least a master's degree. Required experience includes AI/ML or neuroscience R&D, Python-based AI/ML and data processing, or system development/commercialization/project management. You should be able to read English academic papers and communicate in Japanese. Preferred experience includes publications, top-conference acceptances, LLM prompt development, Hugging Face-based fine-tuning, AI agents, speech dialogue AI, video/image processing, physical AI, Kaggle/SIGNATE/KDD Cup achievements, SQL/database skills, and strong quantitative foundations.
This is a fixed-term contract position with annual income of 4 million to 9 million yen, bonus and salary increase systems, and commuting allowance. Applications are accepted by email from May 27, 2026 through September 30, 2026. The selection process includes document screening, aptitude tests, and interviews.
Funding details
Contract employee position with annual income of 4 million to 9 million yen, including allowances except commuting allowance. Salary increases may be given upon contract renewal; bonus system is available. Fixed-term employment with annual renewal; maximum 5 years for postdocs and 3 years for others.
What's required
Master's degree required. Applicants should have research and development experience in AI/ML or neuroscience (including EEG/brain activity analysis), experience implementing AI/ML and data processing with Python or similar languages, or experience in system development, commercialization, or project management. Ability to read and understand English academic papers and communicate in Japanese is required. Preferred qualifications include a master's degree or higher in AI/ML or a related field, publications or top-conference acceptances, LLM prompt development, fine-tuning LLMs and multimodal LLMs with Hugging Face, experience in AI agents, speech dialogue AI, video/image processing, physical AI, Kaggle/SIGNATE/KDD Cup awards, SQL/database knowledge, and calculus, linear algebra, probability, and statistics.
How to apply
Prepare an electronic resume and list of achievements. Apply by email to [email protected]; replace (at) with @. Applications must arrive between May 27, 2026 and September 30, 2026. Document screening, aptitude tests, and interviews will follow.
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