{"id":181495,"url":"https://alion.io/job/mujin-senior-software-engineer-c-python","title":"Senior Software Engineer (C++ & Python)","company":{"id":9678,"name":"Mujin","domain":"mujin.co.jp","url":"https://alion.io/company/mujin","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":88,"open_postings":49,"ghost_share":0.122,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":222,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Tokyo, Japan"],"countries":["JP"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":44000,"max_usd":95000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":13},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Docker","optional":false},{"name":"EtherCAT","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"RTOS","optional":false}],"status":"live","first_seen_at":"2025-03-10T02:18:33Z","employer_posted_date":"2025-03-10","last_verified_at":"2026-10-16T23:53:37Z","board_verified":true,"closed_at":null,"days_open":585,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":585},"description":"Team Introduction\nAs a Software Engineer on Mujin's Warehouse Execution System (WES) & Fleet Management (FM) team, you will play a key role in designing, developing, and deploying Mujin’s advanced warehouse execution and fleet management systems.\nOur team works at the intersection of robotics, automation, and software engineering to optimize warehouse operations and ensure seamless orchestration of robots and industrial equipment.\nResponsibilities\nDesign, develop, and maintain WES software to manage warehouse inventory, scheduling, and order fulfillment.\nImplement and integrate drivers for industrial hardware, including robots, conveyors, 3D cameras, sensors, PLCs, AGVs, ASRS, and WMS.\nWork with real-time operating systems (RTOS) and network protocols to ensure system efficiency and low-latency communication.\nEnsure system security by implementing robust encryption and access control mechanisms.\nDesign and optimize high-performance backend services and APIs for seamless integration with third-party warehouse software.\nDevelop and enhance scalable HTTP servers to handle large-scale warehouse operations.\nCollaborate closely with backend and frontend teams to improve system usability and user experience.\nMaintain code quality and testing frameworks to ensure high system reliability.\nOccasionally travel to customer sites, both domestically and internationally, for deployment and support.\nTackle complex technical challenges in a fast-paced environment.\nTake on additional tasks related to the above responsibilities as needed.\nMinimum Requirements\nBSc degree or higher in Computer Science, Computer Engineering, or related fields, or equivalent academic or work experience.\nExcellent experience and high proficiency in C++ and Python.\nAdvanced Linux user, excellent experience in Linux software development.\nExpert in Linux internals, networking stack, network protocols, routing, async I/O, Docker and its internal workings\nExperience in full-stack development.\nPreferable Requirements\nExpert in real-time OS, Linux kernel module development, EtherCAT\nExperience in robotic software development\nAttractiveness\nWe 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!\nYou 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.\nSince the work is widely applicable, it will affect everyone in the engineering team, making the Software 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.\nInterview Process:\nCoding Assessment: Initial technical evaluation.\nHR Interview: Discussion with Human Resources.\nHiring Manager Interview: One or two rounds with the hiring manager.\n Take-Home Assignment & Feedback Interview: A task to complete on your own, followed by a feedback session.","description_format":"text","description_chars":3129,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Logistics & Warehouse Robotics","Industrial Robotics","Robotic Software & Control Systems"],"lifecycle":[{"event":"open","at":"2026-08-31T21:05:21Z"},{"event":"open","at":"2026-09-25T15:17:32Z"}],"visa":[],"liveness":{"score":17,"band":"cold","label":"Long shot","p_open":1,"p_active":0.606,"p_room":0.28,"age_days":585,"expected_fill_days":222,"reasons":["conf:3","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/mujin-senior-software-engineer-c-python","json_url":"https://alion.io/job/mujin-senior-software-engineer-c-python.json","meta":{"generated_at":"2026-10-17T02:02:51Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":2936,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":9678},"rest":"https://alion.io/mcp/rest/get_company?id=9678"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fmujin-senior-software-engineer-c-python"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fmujin-senior-software-engineer-c-python"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fmujin-senior-software-engineer-c-python"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/mujin-senior-software-engineer-c-python\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmujin-senior-software-engineer-c-python"}]}