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Software Engineer – Open Position (Robotics / Backend, C++)

MujinEngineering & Development
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Japan
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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 This Position

At Mujin, we believe the best starting point is a role that aligns with what you want to work on. If you find a specific position that matches your interests and experience, we encourage you to apply directly to that role.

At the same time, engineering experience does not always fit neatly into a single job description.
This open position is intended for software engineers whose background may span multiple areas across our Robotics and Backend teams.

Based on your experience, technical strengths, and interests, we will consider where your background could be the best fit within Mujin.

Depending on your background, you may be considered for opportunities in the following areas:

Robotics Algorithms

Design and develop algorithms that power real-time industrial robotic systems, including:

  • Motion planning and collision avoidance
  • Robot dynamics and trajectory control
  • Packing algorithms and space optimization
  • Geometric reasoning and combinatorial optimization
  • Integration of algorithms with real robotic systems

Backend Systems

Design, build, and own high-performance backend systems supporting industrial robot controllers, including:

  • Reliable backend services and APIs
  • Low-latency communication and inter-process communication
  • Sensor and industrial-device integration
  • High-performance, data-intensive pipelines
  • Linux-based systems, networking, diagnostics, and operational tooling
  • Controller provisioning, upgrades, and production reliability

Want to learn more?
If you would like to explore each area in more detail before applying, please check our individual job openings or visit Mujin Gemba Walk to learn more about our technologies and engineering teams.

Responsibilities

  • Design, develop, and maintain software for Mujin’s industrial robotics systems.
  • Build high-performance and reliable software using C++ and Python.
  • Solve complex technical problems across robotics algorithms, backend systems, and real-world robotic applications.
  • Optimize software for performance, reliability, and scalability.
  • Collaborate with engineers across robotics, backend, and other teams to bring solutions into real-world production environments.

    • Minimum Qualifications

  • Bachelor’s degree or higher in Computer Science, Robotics, Computer Engineering, Electrical Engineering, Mechanical Engineering, or a related field, or equivalent practical experience.
  • Strong software-development experience using C++ and/or Python.
  • Experience developing software in a Linux environment.
  • Strong problem-solving skills and the ability to investigate complex technical issues.
  • Ability to design and implement reliable, maintainable, and performance-conscious software.
  • Interest in solving real-world industrial robotics and automation problems.

    • Preferred Qualifications

    Robotics & Algorithms

  • Motion planning, collision checking, robot control, or robot dynamics
  • Linear algebra, 3D geometry, computational geometry, or spatial data structures
  • Graph/search algorithms, combinatorial optimization, or operations research
  • Robotics frameworks such as ROS, OpenRAVE, or custom frameworks
  • Hands-on experience with robotic hardware

    • Backend & Systems

  • High-performance or concurrent software systems
  • Linux internals, networking, network protocols, or asynchronous I/O
  • Inter-process communication technologies such as ZeroMQ
  • Docker and container-based systems
  • Sensor SDKs, drivers, or industrial device integration
  • Production troubleshooting, diagnostics, or operational tooling
    • To learn more about the technical challenges our engineers work on and their day-to-day engineering work, visit Mujin Gemba Walk.

    Interview Process:

  • Coding Assessment: Initial technical evaluation.
  • HR Interview: Discussion with Human Resources.
  • Hiring Manager Interview: One or two rounds with the hiring manager.
  • Take-Home Assignment & Feedback Interview (If Applicable): A task to complete on your own, followed by a feedback session.

    • 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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