Research Scientist

About Rakuten

Rakuten Group, Inc. is the largest e-Commerce company in Japan, and provides a variety of services in e-commerce, fintech, digital content and communications to many users all over the world.

Why we hire

The Rakuten AI & Data Division (AIDD), creates powerful, customer-focused search, recommendation, data science, advertising, marketing, price, and inventory optimization solutions to a variety of businesses in commerce, fintech and mobile industries. We are looking for a talented research scientist to work on our core large language model development. The role will build the LLM fundamental for Rakuten Group and power the product development.

Position Details

• Continuously track and understand the latest research progress of large language models, including pre-training, fine-tuning, instruction fine-tuning, prompt engineering, multimodal large models, etc.
• Actively explore the combined application of large language models and various of application systems to solve practical problems in search, recommendation, agent and compliance use case.
• Cooperate with the engineering team to improve the efficiency of large model training, develop large model services, and improve the stability and scalability of training and services.
• Publish research results in top academic conferences and expand the influence of the team.

Qualifications:

• PHD or Master with top AI conference papers in ML/CV/NLP are required;
• Excellent coding ability, data structures, and fundamental algorithm skills, proficient in C/C++ or Python, winners of competitions such as ACM/ICPC, NOI/IOI, Top Coder, Kaggle, etc. are preferred
• In-depth research experience in Machine Learning, with a particular emphasis on Large Language Models (LLMs) and Generative AI
• Strong analytical and problem-solving skills.

Preferred Qualifications

• Passion for technology, good communication skills and team spirit
• A strong publication record in relevant areas is a plus.

Rakuten is an equal opportunities employer and welcomes applications regardless of sex, marital status, ethnic origin, sexual orientation, religious belief or age.