Mujin US

Senior Build Systems Architect

Mujin US  •  Tokyo, JP (Onsite)  •  1 hour ago
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Job Description

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

The team is currently small, and you will play a key role in owning the architecture, evolution, and technical direction of Mujin's large-scale C/C++ build systems.

This role focuses on build-system architecture, dependency management, build performance, developer productivity, and long-term maintainability.

While CI/CD infrastructure is an important supporting component, this is primarily a build-systems engineering role rather than a DevOps or release-engineering position.

Responsibilities

  • Own the architecture and technical direction of Mujin's build systems.
  • Drive technical decisions regarding dependency management, build graph design, toolchain integration, and build-performance optimization.
  • Identify architectural bottlenecks and propose long-term improvements to build-system maintainability and developer productivity.
  • Create prototypes and technical proposals to evaluate and communicate architectural improvements.
  • Manage and improve CI infrastructure and developer tooling that support the build ecosystem.
  • Collaborate with engineering teams to improve development workflows, build reliability, and engineering productivity.

Minimum Requirements

  • Experience owning or driving the architecture of large-scale C/C++ build systems.
  • Deep understanding of build-system architecture, dependency management, compiler toolchains, linkers, build reproducibility, and build-performance optimization.
  • Strong knowledge of CMake and modern C/C++ build environments.
  • Experience integrating 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, Linux administration, and containerized environments (Docker, Kubernetes, etc.).
  • Proficiency with Git version control and collaborative development workflows.

Preferred Requirements

  • 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.
  • Ideal Candidates

      Ideal candidates have experience in roles such as:

    • Build Systems Engineer
    • Build Infrastructure Engineer
    • Developer Productivity Engineer
    • Compiler Infrastructure Engineer
    • Candidates whose primary experience is limited to CI/CD operations, platform administration, or release management without ownership of build-system architecture may not be a strong fit.

    Interview Process:

    • Resume Screening
    • Take-home coding test
    • HR interview
    • Technical interview
    • Culture/Team fit interview

    Location

    3-8-5 Tatsumi, Koto-Ku, Tokyo 135-0053, Japan

    Work Hours

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

    Salary

    • Based on experience and skills
    • Salary revision twice a year
    • Additional bonuses are available based on performance

    Holidays

    • 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

    Company Benefits

    Japan Relocation Support

    • Visa sponsorship
    • Flight ticket support
    • Shipping expenses coverage up to a specified limit
    • Assistance for housing
    Mujin US

    About Mujin US

    Mujin offers the complete robotic solution. Our core technology is the Mujin Controller, which manages any robotic application by controlling the movement of any robot arm via artificial intelligence and autonomous motion planning. This allows our end users to define the application and choose the best robot arm for the job.

    The Mujin Controller makes every robot more capable, efficient, and reliable. Our motion planning algorithm is one-of-a-kind and allows robots to perform practically any application with the most efficient path.

    To create the full solution, we combine state-of-the-art vision systems with highly versatile end of arm tooling to manage the variability of any application. We have standard products for standard applications and custom solutions to solve any application.

    Industry
    Manufacturing & Production
    Company Size
    51-200 employees
    Headquarters
    Suwanee, Georgia
    Year Founded
    2021
    Social Media