This position is closed and is no longer accepting applications.

Software Engineer, Applied Machine Learning

SmartNews Shibuya-ku, Tokyo
    💴 No salary range given
    🏡 Fully remote
    🧪 Minimum years of experience unspecified
    💬 Fluent Japanese
    🌏 Apply from abroad
    🧳 Relocate to Japan

About SmartNews

SmartNews Shibuya-ku, Tokyo

SmartNews is a news app with 20 million monthly active users in the U.S. and Japan. We are a machine-learning company deeply committed to helping users find quality news beyond the filter bubble.

Key benefits

  • Not too big, not too small
  • Highly collaborative environment
  • International team

About the position

Machine learning on news ranking is crucial for analyzing millions of articles everyday to deliver the most engaging high quality information in near-real-time while providing Personalized Discovery experience to our users.


Machine Learning engineers are responsible for tackling complex problems to optimize the ranking and recommendation system (example: search ranking, collaborative filtering, personalized recommendation, diversification, and more)

  • Plan and execute engineering development of state-of-the-art core-ranking system to provide a “Personalized Discovery” experience to millions of users
  • Develop algorithms and model architecture to deepen understanding of article contents as well as user behaviors
  • Collaborate with global cross-functional teams to support new product feature development
  • Work closely with software engineers to enhance systems related to news features (articles, pages, channels, search, etc.) using Machine Learning technology, providing high quality user experience and increasing user engagement
  • Proactively contribute to system improvements that result in direct user impact through innovation and creative thinking


  • 1+ years of experience in designing and implementing machine learning algorithms for online product and services (ideally related to ranking, recommendation, personalization etc) and applying them to real world problems (will consider research and internship)
  • 3 years of software development experience in any programming languages (e.g. Java, C++, Python, Scala)
  • MS, Ph.D or BS in computer science, mathematics, physics, machine learning, artificial intelligence, or other quantitative fields
  • Ability to work with cross-functional teams globally with a “team player” mindset

Nice to haves

These aren’t required, but be sure to mention them in your application if you have them.

  • Experience working as a software engineer and/or machine learning/AI engineer in a technology company
  • Experience working as an Applied Scientist, Researcher, Data Scientist in relevant fields with hands-on software engineering experience
  • Familiarity with one or more of the following Machine Learning libraries: Tensorflow, xgboost, Keras, PyTorch, scikit-learn, pandas, numpy, etc.
  • Knowledge of developing and debugging in Java and Spring-boot
  • Experience with Hadoop/Hive/Spark/AWS
  • Solid Machine Learning background and deep understanding of certain domain of machine learning techniques, especially in natural language processing, recommendation systems, and/or computer visions

Hiring Process

  1. 1

    Application review

    When you submit your application to SmartNews, it will be reviewed by our recruitment team, to make sure it is relevant to the position.

  2. 2

    Online coding test

    When you pass this initial screening, you’ll then be sent out an online coding test. The results of this test and your resume will then be reviewed in more detail by one of our engineers.

  3. 3


    After you pass this secondary screening, you’ll be invited in for a round of interviews, covering both behavioral and technical topics.

  4. 4


    Once you’ve passed these interviews, we’ll make you an offer.

Meet SmartNews's Developers

When Robert joined SmartNews as a software engineer, most of his colleagues were Japanese. Since then, it’s grown into an international organization where English is predominantly used.

Read his story...

YuCheng is a senior software engineer at SmartNews. He explains the freedom he enjoys at SmartNews: not only from a technical perspective, but also the influence he can have over the direction of the product.

Read his story...

Cortland recently joined SmartNews as an engineering manager, where he leads a six person team. He talks about what drew him to the company, his role as a manager, and how they use matrix management to maximize their engineers’ success.

Read his story...

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