Senior Build Systems Engineer (Developer Productivity / Build Optimization)

Japan·TokyoFull-Time (English)senior

Systems 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),

Technical Tools

Systems EngineerInfrastructure & Cloud

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 focused on improving the development and build processes of large-scale robotics software systems.

This role is not limited to CI/CD operations. You will identify fundamental bottlenecks in the development workflow, such as slow builds, unreliable dependencies, and complex build configurations, and solve them at the build system level.

This role is a strong fit for engineers who have worked on engineering productivity, developer platforms, or internal tooling teams, where they improved build or development workflows at a system level, beyond simply operating CI/CD pipelines.

You will work on designing and evolving the build system itself to improve developer productivity, reproducibility, and scalability across large C/C++ codebases.

Examples of challenges you may work on:
• Reducing build times from hours to minutes by redesigning the build system.
• Re-architecting dependency management to remove hidden coupling between modules.
• Improving build reproducibility across local and CI environments.

Analyze existing build systems and propose structural improvements or migrations where necessary
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 working on developer productivity, platform engineering, or internal infrastructure teams.

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.