{"id":748312,"url":"https://alion.io/job/optisigns-firmware-engineer-senior","title":"Firmware Engineer - Senior","company":{"id":686347,"name":"OptiSigns Inc.","domain":"optisigns.com","url":"https://alion.io/company/optisigns","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workable","truth_index":{"grade":"D","score":46,"open_postings":11,"ghost_share":0.818,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":113,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Hardware","role_family":"Hardware","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":["Ho Chi Minh City, Vietnam"],"countries":["VN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":16000,"max_usd":36000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1936},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Java","optional":false},{"name":"Linux","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2025-11-14T00:00:00Z","employer_posted_date":"2025-11-14","last_verified_at":"2026-10-31T15:52:18Z","board_verified":true,"closed_at":null,"days_open":351,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":351},"description":"About this Job:\nOwn Android firmware for kiosk/media devices built on Rockchip and similar SoCs.\nCompany Overview\nOptiSigns is the leading digital signage company in North America, with over 30,500 customers in 121 countries. Our cloud-based platform helps organizations manage screens and content across retail, hospitality, education, and corporate environments. We are a fast-growing, customer-obsessed team building simple, scalable, and reliable products.\nThe Role: Firmware Engineer\nCustomize Android firmware for kiosk devices; ensure security and stability; collaborate with hardware, QA, and manufacturing.\nKey Responsibilities\nDevelop and maintain Android firmware (AOSP) for Rockchip-based devices.\nIntegrate drivers, peripherals, bootloaders, and secure update mechanisms.\nOptimize performance, thermals, and power management.\nPartner with QA to reproduce field issues; drive fixes and releases.\nRequirements\n5+ years in firmware/embedded Android on ARM SoCs (Rockchip preferred).\nStrong C/C++/Java, BSP/bootloader knowledge, and Linux/Android internals.\nExperience with device provisioning, secure boot, and OTA.\nProfessional English proficiency required.\nWork Arrangement & Location\nOn-site, in-office role in Ho Chi Minh City, Vietnam.\nBenefits\n 13th month \n Comprehensive healthcare insurance package MacBook / Windows laptops, monitors, and other necessary equipment to support your work. \n Yearly team outings and events. Detailed induction, training, and on-going career development. \n Opportunities for overseas training and travel. \n English training programs to enhance your skills. \n Flexible working hours from Monday to Friday. \n Free drinks, snacks, parking, and access to internal clubs.","description_format":"text","description_chars":1714,"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":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Apple Macbook","Flexible schedule"],"hiring_locations":[{"name":"Vietnam","iso":"VN","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Pro AV & Digital Signage"],"lifecycle":[{"event":"open","at":"2026-09-11T14:56:38Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.3,"p_room":0.28,"age_days":351,"expected_fill_days":113,"reasons":["conf:6","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-31T05:58:55Z"},"pay":null,"html_url":"https://alion.io/job/optisigns-firmware-engineer-senior","json_url":"https://alion.io/job/optisigns-firmware-engineer-senior.json","meta":{"generated_at":"2026-10-31T20:05:13Z","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":31502,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":686347},"rest":"https://alion.io/mcp/rest/get_company?id=686347"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Foptisigns-firmware-engineer-senior"},{"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%2Foptisigns-firmware-engineer-senior"},{"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%2Foptisigns-firmware-engineer-senior"},{"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/optisigns-firmware-engineer-senior\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Foptisigns-firmware-engineer-senior"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":748312}},{"tool":"search_jobs","arguments":{"company":"optisigns.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":748312},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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