Platform Engineer

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 Mujin is hiring a Platform Engineer to join our Engineering Enablement team and help build the internal services, tools, and workflows that enable engineers to develop, test, release, and support software effectively. This is a software engineering role focused on improving the developer experience across a broad range of areas, including CI/CD, build tooling, release workflows, internal support workflows, documentation tooling, and log collection. Rather than focusing only on operating infrastructure, you will design and develop services, command-line tools, and automation used by engineering teams across Mujin. Responsibilities Build software that engineers rely on: Develop and improve internal tools and services that support engineers across Mujin. Shape the developer experience: Work across CI/CD, build tooling, release workflows, documentation tooling, log collection, and internal support workflows. Work on a broad range of engineering problems: Contribute to both new tools and existing systems, with opportunities to work across Rust, Go, and Python. Build for modern development environments: Develop and improve tooling and services used in containerized environments, including Docker and Kubernetes. Minimum Requirements 3+ years of professional software engineering experience Hands-on experience designing and building software services, command-line tools, developer tools, or internal engineering systems Professional programming experience with at least one general-purpose language such as Rust, Go, Python, C++, or a comparable language Experience contributing to software across multiple technical areas or layers of a system Understanding of software development workflows, including areas such as CI/CD, build systems, testing, deployment, or release processes Ability to collaborate with engineers and understand the needs of internal users Preferred Requirements Experience working in a Platform Engineering, Developer Experience, Engineering Enablement, or similar team Experience building tools or services used by a large engineering organization Experience with Rust, Go, or Python Interview Process Resume Screening Take-home coding test HR interview Technical interview Culture/Team fit interview Attractives Impact engineering at scale: Build tools and services used by engineering teams across Mujin. Broaden your engineering experience: Work across a wide range of areas, from CI/CD and build tooling to release and support workflows. Build, not just operate: This is a software engineering role where you will develop tools and services, rather than focusing primarily on infrastructure operations. 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 Explore Mujin Perks & Welfare 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