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
Ideal Candidates
- Build Systems Engineer
- Build Infrastructure Engineer
- Developer Productivity Engineer
- Compiler Infrastructure Engineer
Ideal candidates have experience in roles such as:
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
- 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
Japan Relocation Support
- Visa sponsorship
- Flight ticket support
- Shipping expenses coverage up to a specified limit
- Assistance for housing
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