Backend Software Engineer (C++)

Tokyo, Japan (MJHQ)
1 - Software Development – Backend System Team /
Full-Time (English) /
On-site
Mujin develops "MujinController," a platform that leverages a real-time digital twin and advanced robotics to seamlessly connect industrial equipment for fully autonomous operations.
Driven by our unique approach towards Robotics Machine Intelligence (MujinMI), we offer a robust suite of perception, planning, and control algorithms, enabling autonomous robot movement and transforming automation in challenging industrial environments.
Trusted by globally recognized companies, our cutting-edge technology enhances efficiency and innovation across the supply chain. With headquarters in Japan and expanding offices in China, the US, and Europe, Mujin offers a dynamic, fast-growing environment where your work directly shapes the future of automation.

To support our global development, we're looking for more talents and Robotics enthusiasts to join us. As a particularly important part of Mujin, Our backend team focuses on the Operating System architecture, design, development, and deployment of Mujin's motion planning AI-equipped intelligent robot controllers.
Also, Mujin is going to global marketing this year, you will be given a lot of chances to participate in our globalization development.

Responsibilities
<Design and implement a wide variety of system software>
- Real-time OS and real-time network protocols
- Linux kernel modules, Linux boot, and base system, hardware drivers
- System security, TPM, and data encryption
- Build tools and infrastructure, deployment, remote control, and upgrade system

<Design and implement reliable, high-performance backend services and APIs for industrial robot controllers>
- High-performance HTTP server
- ZeroMQ inter-process communication
- High-efficiency database
- Cloud services

<Others>
- Develop drivers to interface with industrial hardware such as robots, conveyors, 3D cameras, sensors, PLC, AGV, ASRS, WMS
- Solve cutting-edge complex technical challenges throughout the entire system
- Occasional business trips to customer sites in Japan and abroad

Minimum Requirements

    • BSc degree or higher in Computer Science, Computer Engineering, or related fields, or equivalent academic or work experience
    • Excellent experience and high proficiency in C++ and Python
    • Advanced Linux user, excellent experience in Linux software development
    • Expert in Linux internals, networking stack, network protocols, routing, async I/O, Docker and its internal workings
    • Experience in full-stack development
    • Technical communication skills in English

Preferable Requirements

    • Expert in real-time OS, Linux kernel module development, EtherCAT
    • Experience in robotic software development

Attractiveness

    • We are looking for those who are prepared to dedicate themselves to facing big challenges, work proactively and independently, and take ownership when working with members across the teams!
    • You will get your “hands dirty” working on all aspects of the industrial robot controller, not being confined to a specific component in the system. The work is challenging, mostly like something that you have never done before, requiring extensive research.
    • Since the work is widely applicable, it will affect everyone in the engineering team, making the Backend System Engineers the likely “go-to” people. You will have chances to travel and work onsite to integrate cutting-edge industrial systems such as AGVs and ASRS.

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 available based on performance
Holidays
・Every Saturday and Sunday
・Annual paid leaves
・Maternity leave and Childcare leave
・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