Job title: Machine Learning Engineer- RC
Job type: Permanent
Emp type: Full-time
Industry: IT & Telecommunications / IT・通信
Functional Expertise: Technical (IT) / 技術職(IT)
Salary: Negotiable
Location: Tokyo, Japan
Job published: 2025-12-19
Job ID: 67934

Job Description

Career Opportunity for a Machine Learning Engineer in Japan!

 

■ Machine Learning Engineer

 

■ Company Overview

An e-commerce, fintech, digital content and communications company with more than 30,000 employees, and operations in 30 countries and regions.

 

■ Your Role and Responsibilities 

● We are currently seeking talented ML engineers to join our team and take on the responsibility of the Travel's marketing activities.

● You will be responsible for projects such as item recommendation, user targeting, image optimization, and NLP tasks utilizing user reviews. In this role, you will have the following key responsibilities:

● Collaborate with the business side to define project requirements.

● Develop detailed dev specifications.

● Build and deploy ML models via APIs.

● Design and execute experiments to validate solutions.

● Conduct AB tests and bandit optimizations to compare different approaches.

● Evaluate experimental results using statistical tests to measure impact and effectiveness

 

■ Experience and Qualifications

●Possess a passion and curiosity for the fields of machine learning and data science.

●Have experience in building machine learning/deep learning models, including those related to image processing, natural language processing, and other related areas.

●Foundational knowledge such as machine learning models like discriminative and generative models, algorithms etc. 

●Have development experience using Python.

●Expected to have experience in one or more of the following:

● Development experience using PyTorch or TensorFlow.

● Execution of training using GPUs.

● Experience in having Python code

● A/B testing based on statistical hypothesis testing. Minimum sample size design using non-central t-distribution.

 

■ Additional Preferred Qualifications
● Proven experience in deploying machine learning systems to a production environment.

● Fluency in Japanese is considered a plus.

● A track record of publications in top international conferences, demonstrating expertise in the field of machine learning and data science.

 

■ Good Reasons to Join

● Hybrid position in Japan

● Work with International team members

 

■ Work Location

Tokyo, Japan

 

Details will be provided during the meeting.