This position is closed and is no longer accepting applications.

Software Engineer, Data Platform

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

The data platform software engineer in SmartNews plays a key role in accelerating products/business development. Great efforts are made on building a highly efficient and flexible data service for analytical and operational purposes.

To serve the internal users such as our analytics and product-dev teams, the mission of data engineers is to create high-level, easy-to-use data services for simplifying the accessing, integration, and consolidation of various data sets, and also building the platforms for executing tasks processing massive data in terms of TB per day.

Technology drives the growth of SmartNews, and thus we eagerly adopt cutting-edge technologies from the industry and academia, especially the open-source community.


  • Design, develop, set up, and maintain new services, libraries, tools, frameworks for data processing or management, and investigate new algorithms to increase efficiency for Data Processing, such as ETL, Data Pipelines, OLAP DBMS, real-time messages and streams processing, data-sync between systems, etc.
  • Develop and operate in-housing data service offerings such as high performant K/V store, adopt/enhance open-source frameworks to meet SmartNews’ growing business needs
  • Develop tooling for system performance evaluation, monitoring, and tuning of the data processing procedures or platforms, get insights of efficiency and stabilizability and make continuous improvements, such as optimizing distributed query engines, computing resource management and isolation, multi-tier storage systems, etc.
  • Own and maintain the key data processing portfolios such as building and taking care of the environment, troubleshooting, and being responsible for incidents that occur during on-call periods. Work closely with data architecting/modeling roles to understand ways to implement the data service, and interact with the Site Reliability Engineering (SRE) team to deploy the environments and drive production excellence.
  • Devise system, tooling, and approaches for data privacy and security. Establish access control, create processes to handle sensitive data.
  • Diagnose and resolve complex technical challenges for data accessing or processing. Using elegant and systematic rather than ad-hoc methods to help other teams tune the performance and improve stability.


  • BS/MS degree in computer science or equivalent science/engineering degree with 5 or more years of experience
  • Strong Programming skills and experiences with a deep understanding of data structures and algorithms are required for building efficient and stable solutions
    • Rich experiences with one or more programming languages such as Java, Scala, C++, or Python; familiar with agile development and manage testing skills
    • Need certain knowledge on shell scripts and operating systems, especially on Linux
  • Good understanding of modern bigdata technologies and ecosystems
    • Familiar with Hadoop, Spark, Hive, Presto, Redis, and Flink, be able to develop data processing programs with them in batch or streaming manner
    • Familiar with modern data stores either RDBMS or NoSQL stores (such as MySQL, Cassandra or Druid, etc); have experience with developing application or function-extensions on such data stores
    • Be able to implement and tune complicated heavy-lifting data flows (ETLs or pipelines), familiar with certain toolings
  • Capability of system design with good modularity and extensibility
    • Familiar with system/module design methods and toolings such as UML
    • Be able to draft the user-understandable blueprint and precise, detailed designs
  • Experience with building highly scalable distributed systems
    • Able to design and implement distributed services with scalability and performance in mind
    • Able to debug and troubleshoot performance and reliability problems

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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