M
Mujininc2mo ago

Senior Build Systems Engineer (Build system & CI)

JapanJapan·TokyoFull-Time (English)senior
EngineeringDevOps & InfrastructureSystems EngineerDevops EngineerInfrastructure & Cloud
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Quick Summary

Overview

Mujin is a global leader in industrial automation, redefining supply chain efficiency through MujinOS—our intelligent operating system for robotics. At our core is Machine Intelligence (MujinMI), a unique approach that leverages real-time digital twins and advanced perception, planning, and control…

Technical Tools
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Mujin is a global leader in industrial automation, redefining supply chain efficiency through MujinOS—our intelligent operating system for robotics. At our core is Machine Intelligence (MujinMI), a unique approach that leverages real-time digital twins and advanced perception, planning, and control algorithms to achieve fully autonomous operations.

Our flagship product, MujinController, empowers users with a highly configurable, no-code interface. By integrating cutting-edge motion planning and computer vision, it enables seamless automation for complex applications such as palletizing, picking, and truck unloading.

Headquartered in Japan with a growing presence in the US, China, and Europe, we invite you to join a dynamic environment where you can shape the future of automation.


About the Role

~2 min read

Mujin is hiring a Senior Software Engineer for the DevOps team. The team is currently small, and you will play a key role in building our CI infrastructure and build system.

  • Design and implement a modern and optimized build system, adhering to best practices and coding standards.
  • Create early prototypes and write technical documentation to propose system changes.
  • Manage and improve the CI infrastructure and tools.
  • Ensure good coding practices and code quality through consistent code reviews.
  • Collaborate with other engineering teams to improve and optimize the CI tools.
  • Understanding of C/C++ compilation processes and build tools (such as CMake).
  • Experience integrating and operating build systems within CI/CD pipelines.
  • Proficiency in at least one programming language used for internal tooling (Python or Go).
  • Working knowledge of Bash scripting and Linux administration (Debian preferred). 
  • Experience operating containerized environments (such as Docker, k8s, etc). 
  • Proficiency with Git version control and collaborative branching workflows. 
  • Experience in planning and executing infrastructure projects or system migrations.
  • Hands-on experience with Bazel, JHbuild, or Gnome build tools, or building complex, distributed build systems.
  • Knowledge of package management systems across multiple languages (Python, C++, Rust, or JavaScript).
  • Experience with Kubernetes
  • Experience writing technical proposals and design specifications.
  • Familiarity with Agile software development.
  • Resume Screening
  • Take-home coding test
  • HR interview
  • Technical interview
  • Culture/Team fit interview
  • 3-8-5 Tatsumi, Koto-Ku, Tokyo 135-0053, Japan

    8:45 - 17:45 (with a 60-minute break)

    • Based on experience and skills
    • Salary revision twice a year
    • Additional bonuses are available based on performance
    • Every Saturday and Sunday
    • Annual paid leaves
    • Maternity leave and Childcare leave
    • Flex Holiday (take public holidays on days of your choice)
    • Other holidays as defined by the company

    What We Offer

    ~1 min read
    Flexible dress code policy
    Commuting allowance
    Japanese Social Security (Health Insurance, Pension, Labor Insurance)
    Monthly team dinner support
    Free buffet lunch every workday
    Free vending machines (offering drinks and snacks)
    High-end coffee machine
    Exclusive Employee Gym Access
    • Visa sponsorship
    • Flight ticket support
    • Shipping expenses coverage up to a specified limit
    • Assistance for housing

    Location & Eligibility

    Where is the job
    Tokyo, Japan
    On-site at the office
    Who can apply
    JP
    Listed under
    Worldwide

    Listing Details

    Posted
    March 16, 2026
    First seen
    March 26, 2026
    Last seen
    June 1, 2026

    Posting Health

    Days active
    67
    Repost count
    0
    Trust Level
    23%
    Scored at
    June 1, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
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    M
    Senior Build Systems Engineer (Build system & CI)