{"id":2527099,"url":"https://alion.io/job/tractian-senior-firmware-engineer","title":"Senior Firmware Engineer","company":{"id":48244,"name":"TRACTIAN","domain":"tractian.com","url":"https://alion.io/company/tractian","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Gem","truth_index":{"grade":"C","score":62,"open_postings":69,"ghost_share":0.638,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["BR"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":49000,"max_usd":112000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":1777},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"ESP-IDF","optional":false},{"name":"FreeRTOS","optional":false},{"name":"RTOS","optional":false},{"name":"Python","optional":true},{"name":"Wi-Fi","optional":true}],"status":"live","first_seen_at":"2026-06-18T16:31:20Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-10-21T17:01:48Z","board_verified":true,"closed_at":null,"days_open":125,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":124},"description":"Hardware at Tractian\nThe Hardware team is responsible for designing and improving our IoT devices, dealing with every step of the development process, ranging from PCB design, firmware programming, case design, validations and certifications, always aiming to build trustworthy products that can be produced at a mass scale.\nWhat you'll do\nAs a Senior Firmware Engineer, you will be responsible for designing and coding the Embedded Software inside our IoT devices. What does that entail? Building the new generations of firmware in our devices, improving application logics, coming up with new algorithms, and troubleshooting complex client problems is some of what you can expect. Your end goal is to help Tractian provide online machine monitoring for every maintenance team in the world using fast and reliable IoT.\nResponsibilities\nDesign firmware architectures, develop new features, and build performance-intensive, memory constrained apps while maintaining a high-quality modern C/C++ code.\nTroubleshoot complex client problems, debug firmware based on collected data, understand the root cause of problems and come up with solutions.\nDevelop firmware solutions based on hardware, power, and feature constraints of a new generation of devices.\nDesign and implement test routines to validate both logical and firmware-related electrical functionalities of our IoT devices.\nGenerate and maintain documentation for algorithms, logics, and code base.\nFollow guidelines and best practices for version control, repository management, and firmware releases.\nRequirements\n5+ years experience with embedded software development, RTOS such as freeRTOS, low-level frameworks such as CMSIS, ESPIDF, and STM HAL.\nExpert-level in modern C/C++ coding skills.\nStrong understanding of data structures and data theory.\nComprehension of Object Oriented Programming concepts and practices.\nExpertise in embedded systems development.\nKnowledge of electronic concepts, topologies and components.\nAbility to read and understand advanced technical documentation and data.\nBonus Points\nExperience with other low-level programming languages.\nStrong comprehension Digital Signal Processing concepts and applications.\nUnderstanding of Network Theory and wireless protocols (WiFi, Bluetooth, Cellular, etc.).\nScripting languages such as Python.\nFluent English proficiency.\nLive or have availability to move to Sao Paulo.\nCompensation & Benefits\nCompetitive Compensation\n30 days of paid annual leave\nEducation and courses stipend\nEarn a trip anywhere in the world every 4 years\nR$1.035/month for meals allowance\nHealth plan with national coverage and without coparticipation\nDental Insurance: we help you with dental treatment for a better quality of life.\nWellhub Membership: Access a wide range of gyms and training programs.","description_format":"text","description_chars":2805,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Annual leave","Dental insurance"],"hiring_locations":[{"name":"Brazil","iso":"BR","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Sensors & Transducers","Industrial IoT (IIoT)","Maintenance, Repair & Operations (MRO)","Industrial AI"],"lifecycle":[{"event":"open","at":"2026-10-14T12:24:48Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long 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