Data Scientist

  • Tokyo
  • Partial Remote
  • Full-time
  • July 17, 2024
Apply from Japan Only
(You must live in Japan to apply)
Language Requirements
Japanese: Fluent
English: Business Level
Minimum Experience
Mid-level or above

About nanameue, Inc.

At nanameue, Inc., our focus is to connect people through social media. nanameue, Inc. started in May 2013 with roots in Japan and Thailand. We have built one of Japan’s top chat applications with 6.5M+ users and 75,000+ communities and growing.

nanameue, Inc. is built with people from a variety of different cultures from Japan, Thailand, Malaysia, Sri Lanka, and Australia to name a few. To maintain the global culture, our company language is English, and we continue to welcome new members worldwide.

Our goal is to build a virtual space where everyone can have their presence as themselves and welcome everyone as they are.



As a Data Scientist, you will work with highly complex structured and unstructured datasets. Yes, we are talking terabytes. You will build Statistical, Machine

Learning, and/or Deep Learning models to create solutions, improve operation, understand & interpret the data and be a building member of our SNS platform Yay!.



  • Collaborate with the product and engineering teams to define and design the recommendation engine's architecture and algorithms
  • Analyze user data to understand user behavior and preferences, enabling the development of personalized content recommendations
  • Utilize statistical and machine learning techniques to analyze large datasets and derive actionable insights
  • Conduct A/B testing to evaluate the effectiveness of recommendation algorithms and continuously refine the models
  • Develop and implement machine learning models for content recommendation, personalized user experiences, and targeted content delivery
  • Evaluate model performance and make data-driven adjustments to improve accuracy and relevance
  • Prepare and preprocess raw data to ensure its suitability for analysis and modeling purposes
  • Identify and address data quality issues to maintain the integrity of the recommendation engine
  • Take a proactive approach in working closely with cross-functional teams, including (but not limited to) product managers, engineers, and designers, to align on data requirements and deliverables
  • Communicate findings and insights effectively to technical and non-technical stakeholders
  • Stay abreast of industry trends and advancements to propose innovative approaches and solutions
  • Build state-of-the-art Deep Learning models to tackle Computer Vision and NLP problems
  • Communicate with the stakeholders to understand the business problem, solve the problem using data, and effectively present the insights/results



  • 3+ years experience in data science: data visualization, regression, clustering and classification
  • Fluent in Python (Numpy, Pandas, Scikit-Learn)
  • Experience working with Machine Learning (Decision Trees, SVMs, Logistic Regression, PCA, Kernel Methods, LDA, QDA)
  • At least 1 year working with Deep Learning. Being fluent in at least one DL framework (e.g. Tensorflow, Theano, Keras, MxNet, PyTorch, CNTK)
  • Experience with data analytics
  • Experience working with big data is a plus
  • Experience with parallel/distributed/cloud computing is a plus
  • Experience training Deep Learning models on multiple GPUs is a plus
  • Experience with generative AI is a plus
  • Knowledge on (Deep) Reinforcement Learning is a plus
  • Experience with unsupervised and generative models are a big plus (e.g. Autoencoders and GANs)
  • Experience with multi-task learning is a big plus
  • Proficiency in SQL and MongoDB
  • Can self-manage a project from start to finish and be proactive to propose projects that can provide fruitful insights
  • B.S./M.S./PhD in mathematics, statistics, data science, computer science, electrical engineering, or related experience



  • Native Japanese or N1 level that lived in Japan for more than 1 year.
  • Business Level English



  • Competitive salary and performance-based bonus plus standard social security insurance
  • Hybrid Work Environment
  • Flextime: Core time 11:00 to 15:00
  • Holidays: Annual leave, Summer as well as Winter Holidays, Childcare and Family care leave
  • Support in buying the needed items to make your work easier: applications, a large monitor (unfortunately, pajamas not included)
  • Transportation allowance OR if you live near the office, we will give you 20,000 JPY monthly towards your rent
  • We will subsidize books, language courses, conference tickets, and even paid apps.

nanameue's story began in May, 2013. This start-up with roots in Tokyo and Thailand was founded to build connections between people through social networks. And now nanameue has over 40 people in Tokyo building one of Japan's top chat applications.

With around 6.5 million registered users in the first 3 years, their engineers have the opportunity to take on complex but rewarding technical challenges.

Being an international company, approximately half of their members come from overseas: they have members from places like Thailand, China, Malaysia, Philippines, Australia, and Brazil. And nanameue use English as the official company language.

View nanameue's company page

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Data Scientist at nanameue
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