{"id":2198787,"url":"https://alion.io/job/softblue-regularsenior-embedded-software-engineer-fm","title":"Regular/Senior Embedded Software Engineer (f/m)","company":{"id":4188725,"name":"SoftBlue","domain":"softblue.com","url":"https://alion.io/company/softblue","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"inferred_payroll_markers","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Bydgoszcz, Poland","Warsaw, Poland","Gdańsk, Poland","Poznań, Poland","Łódź, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":54000,"max_usd":94000,"period":"year","method":"role_seniority_country_cell","sample_n":19},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"RTOS","optional":false},{"name":"C","optional":true},{"name":"Claude Code","optional":true},{"name":"Computer Vision","optional":true},{"name":"Copilot","optional":true},{"name":"Embedded C","optional":true},{"name":"LiteRT","optional":true},{"name":"Wi-Fi","optional":true}],"status":"live","first_seen_at":"2026-10-09T17:54:59Z","employer_posted_date":null,"last_verified_at":"2026-10-09T17:54:59Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"Join InTechHouse and work on engineering and software solutions for international customers across regulated and mission-critical industries.\nWe are developing firmware for a battery-powered, portable ECG device with LTE, BLE and USB connectivity.\nWhat you’ll do:\nIntegrate and stabilize firmware on an RTOS-based system,\n\nImplement BLE communication and data sync between two devices,\n\nImplement USB device communication (High-Speed, MTP) with a mobile app,\n\nImplement firmware updates over USB,\n\nSupport peripherals such as LEDs and a vibration motor,\n\nPrepare the device firmware for lab testing,\n\nDepending on your experience: contribute to system architecture, cybersecurity and secure boot.\n\nTech stack:\nNXP MCX N947 running Eclipse ThreadX RTOS,\n\nLTE Cat 1 bis module Telit LE310Q1, connected over USB,\n\nBLE module NORA-B266 with an AT interface over UART.\n\nWhat we’re looking for:\n4+ years of commercial experience in embedded C,\n\nHands-on experience with an RTOS,\n\nPractical experience with BLE,\n\nExperience implementing USB device functionality,\n\nExperience with firmware update mechanisms\n\nEnglish at B2 level or higher.\n\nNice to have\nEmbedded system architecture design,\n\nCybersecurity and secure boot implementation,\n\nExperience with NXP MCX N series and Eclipse ThreadX,\n\nExperience preparing firmware for lab tests,\n\nWorking with AI coding agents (e.g., GitHub Copilot, Claude Code).\n\nWhat we offer:\nB2B contract: 80-120 PLN/h net + VAT, depending on experience,\n\nCooperation with a stable, growing technology company listed on the stock exchange,\n\nProfessional growth supported by experienced senior engineers and leads,\n\nBenefits package.\n\nWe are also hiring for a second project built on Silicon Labs EFR32 (bare-metal C, I2C/SPI, Wi-Fi and Sub-GHz RF), where experience with DSP, computer vision or TensorFlow Lite is a plus.\nTech stack\nEmbedded 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