Jobs / Data Scientist
EN: business
JP: conversational
Employment Type
Full time


  • Collect AI related requirements from internal or external departments and provide the analysis
  • Participate in the High-level design
  • Data collection and cleaning. The data can be PCAPs, Alarms, KPI, CDR, CHR, Logs etc
  • Pre-train large foundation model with vast amount of collected data
  • Fine-tune AI model based on the pre-trained foundation model and task-specific data
  • Design and implement the API for AI model and applications
  • Design and implement Web application that utilize the AI model


  • Business English and conversational Japanese (JLPT N3 or better preferred)
  • Bachelor’s and/or master’s degree in computer science, mathematics, mechatronics or related technical field
  • At least 3 years of experience in Data Science, ML, and/or AI, programming with Python or Java/C++
  • Excellent communication and teamwork skills


  • Experience with pre-training large AI model and fine-tuning AI model for task-specific application
  • Experience with ML, deep learning, Tensor Flow, Python, NLP
  • Knowledge of basic algorithms, object-oriented and functional design principles, and best-practice patterns
  • Experience in REST API development, NoSQL database design, and RDBMS design and optimizations
  • Experience with Transformer/BERT/GPT Model
  • Experience with Web application developed with Java/Nodejs

About the Company

Nexus Corporation is a boutique Contingency Search firm which recruits experienced professionals for permanent as well as contract jobs for corporations in Japan. Focusing on distinct vertical markets, Nexus has been designed to assist clients and candidates in disciplines such as Information Technology, Sales, Marketing, Human Resources, Accounting, Finance, Legal and Compliance.

With our knowledge and experience gathered over the years, we are capable of recognizing and understanding the complexity of the local market. We believe that each search is unique to each of our candidates and clients. Hence, we give utmost importance to ensuring that each party is thoroughly understood.