---
title: 'Backend Software Engineer (Go) at Mujin'
canonical: 'https://feeny.ai/job/backend-software-engineer-go-mujin-tokyo-qrzxr8zf5nzy'
type: 'job'
last_seen: '2026-11-11'
---

# Backend Software Engineer (Go) at Mujin

- **Company:** Mujin
- **Location:** Tokyo, Japan
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-11-10
- **Last confirmed live:** 2026-11-11
- **Apply:** https://jobs.lever.co/mujininc/23b45516-ff61-40de-a3ee-a4f89683be41

## Job description

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.

A Quick Overview of What This Role Entails Mujin Portal is a cloud-based product that enables customers and Mujin engineers to manage and support Mujin robotic systems deployed across multiple sites. With Portal continuing to expand, the team is focused on both new product capabilities and scaling the platform to support a growing fleet of connected Mujin Controllers. This includes areas such as controller connectivity and remote access, data synchronization and storage, backups, monitoring and dashboards, virtual controllers, and customer support workflows. As a Backend Software Engineer, you will design and develop backend services that power these capabilities. You will work with large volumes of data generated by connected robotic systems and take ownership of services and features from design through implementation and ongoing improvement.

## Responsibilities

- Design, develop, and maintain backend services for Mujin Portal 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
- Design and improve backend architecture for scalability, reliability, and maintainability
- Independently own backend features or services from design through implementation and maintenance

## Minimum 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 Requirements

- Background in building distributed or cloud-based backend systems
- Familiarity with concurrent or asynchronous programming
- Experience with GraphQL, WebSockets, or other real-time APIs
- Experience with authentication and authorization (OAuth 2.0, OIDC) and secure system design
- Hands-on exposure to Kubernetes and AWS or other major cloud platforms
- Experience with IoT, robotics, or systems connecting cloud software with physical devices

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

## About Mujin

## Company Overview
- **One-liner**: Mujin develops intelligent robotics automation platforms that use a "teachless" no-code approach to make robots capable, easy to deploy, and simple to operate in logistics, manufacturing, and beyond.
- **Entity Type**: Private (Series C)
- **Headquarters**: Tokyo, Japan
- **Founded**: 2011
- **Founders**: Ross Diankov (CEO), Issei Takino

## Core Business
- Primary industry: Industrial robotics and automation
- Target customers: Warehouses, distribution centers, manufacturers (primarily Enterprise and B2B); also serves robotics integrators
- Mission statement: To solve the shortage of manual labor by deploying intelligent robotics automation that raises productivity around the world

## Products & Services
- **MujinOS**: A no-code, teachless platform for robot control and deployment. Integrates perception, planning, and control algorithms with a real-time digital twin. Compatible with top robot and tooling brands.
- **Palletizing**: Automated case stacking with high-speed, stable pallet builds for any SKU mix.
- **Depalletizing**: Perception-driven robots that unload pallets and handle complex mixed-SKU challenges.
- **Mixed-Case Fulfillment**: Robotic case picking and pallet building for store-ready orders.
- **Bin Picking**: Robots pick loose items from bins using advanced 3D vision.
- **Piece Picking**: Each-pick automation for e-commerce and distribution.
- **TruckBot**: Container and trailer unloading robot (debuted at ProMat 2023).
- **Fleet Coordination**: Syncs AGVs and AMRs with pick-and-place workflows through a single fleet module.

## Market Standing
- **Valuation/Market Cap**: Not publicly disclosed as a private company (latest major round was $83.4M Series C in 2023, per CB Insights).
- **Key Metric (Funding)**: Over $107.4M in total known equity funding (Series A: ¥75M JPY, Series B: $6M, Series C: $83.4M + $18M). Also secured ¥15.5B JPY in debt financing (Dec 2025).
- **Notable Investors**: SBI Investment (led Series C), UTEC (The University of Tokyo Edge Capital Partners).
- **Growth Signals**: Employs 146 people (+5% YoY, +17 people); offices in 5 countries (Japan, USA, China, Netherlands, South Korea); 103 active job postings (+49.3% YoY); revenue $6.9M; recognized with the RBR50 Innovation Award; operates in 9 countries by workforce distribution.

## Competitive Advantages
- **Teachless technology**: Their "MujinMI" (Machine Intelligence) allows robots to think and move autonomously without being taught every motion — a fundamental differentiator from traditional industrial robots that require programming.
- **No-code platform**: MujinOS enables deployment without writing code, lowering engineering costs and accelerating timelines.
- **Brand-agnostic integration**: Compatible with robots and tooling from multiple manufacturers, so it fits into existing operations without vendor lock-in.
- **Strong Asia + global footprint**: Deep roots in Japan and China combined with expanding operations in North America and Europe.

## Strategic Focus
- Continue expanding globally with offices in the Netherlands (Eindhoven) and a growing presence in the U.S. (Atlanta, GA).
- Scale intelligent robotics solutions for large logistics and manufacturing customers.
- Push further into full warehouse and factory workflows (e.g., TruckBot for automated unloading).
- Deepen the MujinOS platform as the global standard for intelligent robotics.

## Why Work Here
- **Mission-driven**: Tackling critical global labor shortages with cutting-edge technology.
- **Engineering-heavy culture**: 92 of 146 employees are in technical roles — a true engineering-first company.
- **Global, diverse team**: Colleagues from Japan, U.S., China, Netherlands, Switzerland, France, South Korea, and more.
- **Top talent hiring from**: Carnegie Mellon, Stanford, The University of Tokyo, plus alumni from Google, Microsoft, Woven by Toyota, and Preferred Networks.
- **On-site in Tokyo**: Most roles listed as full-time in Tokyo at their HQ, but also opportunities in Atlanta, Guangzhou, and Eindhoven.
- **Active growth**: 103 open jobs across software engineering (C++, Python, Computer Vision, Robotics), integration, and other roles.

## Sources
1. [mujin-corp.com](https://mujin-corp.com/company)
2. [mujin-corp.com](https://mujin-corp.com/)
3. [jobs.lever.co](https://jobs.lever.co/mujininc)
4. [linkedin.com](https://www.linkedin.com/company/mujin-global)
5. [cbinsights.com](https://www.cbinsights.com/company/mujin)

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