{"id":125137,"url":"https://alion.io/job/mujin-senior-build-systems-engineer","title":"Senior Build Systems Engineer","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":51,"ghost_share":0.118,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":218,"computed_at":"2026-10-17T05:46:00Z"}},"role":"DevOps","role_family":"DevOps","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":35000,"max_usd":97000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":3074},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Bash","optional":false},{"name":"Bazel","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"CMake","optional":false},{"name":"Debian","optional":false},{"name":"Docker","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Kubernetes","optional":false},{"name":"Linux","optional":false},{"name":"Python","optional":false},{"name":"Rust","optional":false}],"status":"live","first_seen_at":"2026-03-16T02:38:33Z","employer_posted_date":"2026-03-16","last_verified_at":"2026-10-18T22:29:44Z","board_verified":true,"closed_at":null,"days_open":216,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":216},"description":"About the Role\nMujin is hiring a Senior Software Engineer for the DevOps team. The team is currently small, and you will play a key role in building and optimizing large-scale C/C++ build systems, with CI infrastructure supporting the workflow.\nResponsibilities\nDesign and implement a modern and optimized build system, adhering to best practices and coding standards.\nCreate early prototypes and write technical documentation to propose system changes.\nManage and improve the CI infrastructure and tools.\nEnsure good coding practices and code quality through consistent code reviews.\nCollaborate with other engineering teams to improve and optimize the CI tools.\nMinimum Requirements\nUnderstanding of C/C++ compilation processes and build tools (such as CMake).\n\nExperience integrating and operating build systems within CI/CD pipelines.\n\nProficiency in at least one programming language used for internal tooling (Python or Go).\n\nWorking knowledge of Bash scripting and Linux administration (Debian preferred).\n\nExperience operating containerized environments (such as Docker, k8s, etc).\n\nProficiency with Git version control and collaborative branching workflows.\n\nExperience in planning and executing infrastructure projects or system migrations.\n\nPreferred Requirements\nHands-on experience with Bazel, JHbuild, or Gnome build tools, or building complex, distributed build systems.\nKnowledge of package management systems across multiple languages (Python, C++, Rust, or JavaScript).\nExperience with Kubernetes\nExperience writing technical proposals and design specifications.\nFamiliarity with Agile software development.\nInterview Process:\nResume Screening\nTake-home coding test\nHR interview\nTechnical interview\nCulture/Team fit interview","description_format":"text","description_chars":1743,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"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":"2026-03-16T02:38:33Z"}],"visa":[],"liveness":{"score":47,"band":"ok","label":"Likely open","p_open":1,"p_active":0.776,"p_room":0.6,"age_days":215,"expected_fill_days":218,"reasons":["conf:1","win:late","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/mujin-senior-build-systems-engineer","json_url":"https://alion.io/job/mujin-senior-build-systems-engineer.json","meta":{"generated_at":"2026-10-19T01:28:19Z","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":820,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"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-build-systems-engineer"},{"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-build-systems-engineer"},{"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-build-systems-engineer"},{"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-build-systems-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fmujin-senior-build-systems-engineer"}]}