Applied Researcher (Machine Learning Group)

Job Type
7,000,000 JPY - 11,000,000 JPY per year
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date


A large Internet service company is hiring a Machine Learning Researcher - Global Search Platform.

We respect and value our employees’ personal lives. A good work-life balance is essential to our long-term success!


The Big Data Department is where data and technology come together, providing some of the most important touch points for our e-commerce customers, encompassing search, behavioral data, personalization, and advertising technologies. We strive to continuously improve the quality of our services and the richness of our functionality to provide the most amazing user experience. To do so, we continuously consume and learn from large-scale data sets as well as deliver some of the largest distributed-systems deployments in the company.


The Group Search Platform (GSP) is expanding to leverage imagery and the information contained within in all aspects of search and relevance/ranking. We are applying the latest machine learning techniques to enhance GSP value and are looking for data science professionals with strong skills in deep learning and computer vision. You will be a pivotal member of a high-performing team who will deeply impact the future of Japan’s biggest e-commerce service.


As a Data Scientist working in this department, we expect you to have a passion for the subject. We seek smart, nice and curious team-players who have an affinity for taking leading-edge research and turning it into real-world applications. You must have strong self-discipline, initiative and possess a passion for life-long learning to face evolving challenges in the rapidly changing machine learning landscape. Successful candidates will conduct original research, apply that to challenging computer vision problems and deploy advanced software capabilities via the Global Search Platform.



【会社概要 | Company Details】

Our client is a large global Internet service company that has enjoyed sustained growth as they continue to expand their business in various new areas and industries. This is a great opportunity to work in a diverse and international environment in Japan. Our client actively strives to be an equal opportunity employer, and they have many female and foreign nationals in upper management positions. Their brand has also gained global recognition as they sponsor some of the world's most famous sports teams. Our client prides themselves in providing a comfortable working environment for their employees. Engineers are welcome to choose their own setup (Windows/Mac, etc.); whatever makes them comfortable! Free meals are also provided at the company cafeteria. Their chefs work to create exciting new menus and dishes, so employees never get tired of the food!
【就業時間 | Working Hours】
9:00 - 17:30(Mon - Fri)
【休日休暇 | Holidays】
Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays
【待遇・福利厚生 | Services / Benefits】
各種社会保険完備(厚生年金保険、健康保険、労災保険、雇用保険)、 屋内原則禁煙(屋外に喫煙所あり)、 通勤交通費支給等
Social insurance, No smoking indoors allowed (Designated smoking area), Commutation Fee covered up to 20,000 JPY per month, Free breakfast, lunch and dinner, Casual clothes is acceptable

Required Skills

  • Hands-on experience with frameworks such as Tensor Flow, PyTorch or Keras
  • Experience with Python, Java and/or C++
  • Expert knowledge in machine learning with a focus on deep neural networks, CNNs, and generative models
  • Have solid software engineering skills, including knowledge of Agile software development methods
  • Strong math skills (e.g. linear algebra, statistics, calculus)

Preferred Skills