2 days ago
Tokyo, JapanMid Level
Responsibilities
- Design, develop, and maintain Mujin Portal backend services using Go.
- Build GraphQL APIs and services for managing fleets of connected Mujin Controllers.
- Develop systems for collecting, synchronizing, storing, and processing Controller data.
- Build secure remote access, authentication, and multi-tenant access control.
- Improve backend architecture for scalability, reliability, and maintainability.
- Own backend features or services from design through implementation and maintenance.
Requirements
- Hands-on experience designing and developing backend services in Go.
- Strong experience with PostgreSQL or other relational databases and data modeling.
- Solid understanding of system design and software architecture.
- Ability to independently own and deliver backend features or services.
- Strong problem-solving and communication skills.
- Preferred qualifications include distributed or cloud-based backend experience, concurrent or asynchronous programming, GraphQL, WebSockets or other real-time APIs, OAuth 2.0, OIDC, secure system design, Kubernetes, AWS or other major cloud platforms, and IoT, robotics, or cloud-to-device systems experience.
Benefits
- Visa sponsorship is available.
- Japan relocation support, flight ticket support, shipping expense coverage up to a specified limit, and housing assistance are provided.
- Commuting allowance, Japanese social security coverage, monthly team dinner support, free buffet lunch on workdays, free vending machines, high-end coffee, and exclusive employee gym access are provided.
- Flexible dress code policy.
- Saturday and Sunday holidays, annual paid leave, maternity and childcare leave, flex holidays, and other company holidays.
- Work hours are 8:45–17:45 with a 60-minute break; the role is located in Koto-ku, Tokyo, Japan.
Tech Stack
Categories
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.