6 months ago
Tokyo, JapanSenior
Responsibilities
- Design and implement automated test frameworks for cross-functional robotic system behaviors within MujinOS.
- Build end-to-end test cases that simulate customer deployments and operational workflows.
- Develop simulation components representing robots, sensors, conveyors, and warehouse systems.
- Analyze test results and system telemetry to identify behavioral issues and performance regressions.
- Collaborate with engineering teams to isolate and resolve system-level failures.
- Improve testing methodology and infrastructure across the engineering organization.
- Review code and mentor engineers in testing and quality engineering practices.
Requirements
- Bachelor of Science degree or higher in Computer Science, Computer Engineering, Robotics, or a related field, or equivalent academic or work experience.
- Proven experience developing production-quality software systems beyond test scripts.
- Experience designing and implementing software test automation frameworks and test cases.
- High proficiency in Python.
- Advanced Linux proficiency with extensive Linux software development experience.
- Business-level English communication skills.
- Experience with robotics frameworks such as ROS, OpenRAVE, or similar is preferred.
- Experience with robotic simulation environments, distributed systems, inter-process communication, messaging systems such as ZeroMQ, Pytest, large-scale automated test systems, and end-to-end frameworks such as Playwright is preferred.
- Familiarity with 3D programming and rendering pipelines is preferred.
- Proficiency in C++ or TypeScript is preferred.
- Business-level Japanese communication skills are preferred.
Benefits
- Tokyo-based role at 3-8-5 Tatsumi, Koto-Ku, Japan, with work hours from 8:45 to 17:45 and a 60-minute break.
- Salary is based on experience and skills, with salary revisions twice a year and additional performance bonuses.
- Saturday and Sunday holidays, annual paid leave, maternity leave, childcare leave, flex holidays, and other company holidays.
- Visa sponsorship, Japan relocation support, flight ticket support, shipping expense coverage up to a specified limit, and housing assistance.
- Commuting allowance and Japanese social security, including health insurance, pension, and labor insurance.
- Flexible dress code, monthly team dinner support, free buffet lunch on workdays, free vending machines, a high-end coffee machine, and exclusive employee gym access.
Tech Stack
Categories
RoboticsTesting
About Mujin
Mujin builds the MujinController platform and turnkey robotic systems that combine 3D vision, motion planning, and real‑time control to automate logistics and manufacturing tasks such as picking, palletizing, and material handling. It sells software and integrated automation cells to warehouse and factory operators. Founded in 2011 and headquartered in Tokyo, the privately held company operates globally, with subsidiaries in the United States and Europe.