Firmware Engineer

🏢 Summary: On-site Firmware Engineer role focused on developing and testing next-generation embedded systems for network switch solutions. The position involves low-level firmware development, hardware/firmware analysis, and collaboration with cross-functional engineering teams. Candidates will contribute to product quality, system performance, and ongoing improvements across product lines. 🗂️ Requirements: Bachelor's degree in Computer Science or Electrical Engineering or equivalent experience, 5-7 years of embedded systems or firmware development experience, Proficiency in low-level programming (C, C++, or Rust), Experience with firmware debugging, verification, and validation, Familiarity with networking, cybersecurity, or data center technologies, Ability to work independently and in a team environment, Successful completion of background check and drug screen 📃 Skills: C, C++, Rust, Embedded, Firmware, Networking, Cybersecurity, Datacenter, Debugging, Testing, Validation, Hardware 🏢 Description: About The Role APCON, Inc. is seeking a Firmware Engineer to contribute to next-generation embedded systems. In this role, you will assist in the design, development, testing, and implementation of firmware solutions for a variety of products. You will work closely with cross-functional teams to deliver innovative products and support ongoing project success. What You Will Do - Assist with low-level programming in C, C++, or Rust, including debugging, verification, and validation of firmware, software, and hardware for current and future network switch solutions - Support analysis of hardware and firmware requirements to assess design feasibility within project timelines and budget - Collaborate with engineers to understand system-level performance and operational needs - Participate in technical discussions related to product requirements and design processes - Create and execute unit and functional tests to ensure product quality - Contribute to updates and improvements on existing product lines - Work independently and as part of a team to meet project milestones and delivery goals What You Bring - Bachelor’s degree in Computer Science, Electrical Engineering, or equivalent experience - 5–7 years of experience in embedded systems or firmware development - Familiarity with networking concepts, cybersecurity fundamentals, or data center technologies - Strong organizational, planning, troubleshooting, and multitasking skills - Ability to maintain confidentiality and professionalism - Ability to prioritize tasks and adapt in a fast-paced environment - Ability to work independently and collaboratively Why Join - Medical, dental, and vision insurance - Company paid short-term and long-term disability - Flexible spending accounts - HSA account with company contribution - Generous PTO program - 401(k) with company match - Professional development opportunities - Collaborative and innovative engineering environment - Company paid holidays - Opportunity to work on advanced technology Offers are contingent on the successful completion of pre-employment background and drug screenings.

🏢 Summary: Development of firmware and software for embedded systems within the Phoenix Contact Power Supply product family, following defined processes such as IEC 62443. The role involves designing, implementing, testing, and maintaining firmware solutions in cooperation with a product owner. The position focuses on ARM Cortex-M based systems and real-time environments. 🗂️ Requirements: Bachelor’s Degree in Computer Science, Automatic Control and Robotics or similar, Minimum 3 years of experience in embedded development, Very good knowledge of C programming, Practical experience with ARM Cortex-M based embedded systems, Familiarity with Real Time Operating Systems, Knowledge of version control systems (Git or SVN), English proficiency at minimum B2 level 📃 Skills: C, ARM, Cortex-M, RTOS, Git, SVN, IEC62443, Embedded, Firmware 🏢 Description: We are looking for an engineer who will be responsible for developing firmware for Phoenix Contact Power Supply product family. We achieve a leading position thanks to innovative and modern operation, respect for the natural environment and the implementation of the principle that the most important good of the company are people. What you’ll do: Development of software & firmware for embedded systems according to defined processes (e.g. IEC 62443) Self-organized development of firmware solutions regarding given requirements and in cooperation with product owner Concept design, implementation, troubleshooting and maintenance of product firmware/software What we’re looking for: Excellent command of written and spoken English (min. B2 level) Bachelor's Degree (Computer Science, Automatic Control and Robotics or similar) 3 years of experience in embedded development Very good knowledge of C programming language Practical experience with embedded systems, especially with ARM Cortex-M based solutions Familiarity with Real Time Operating Systems Knowledge of version control tools (GIT, SVN) Willingness to travel to company HQ in Germany for trainings Please attach CV in English Optional: Experience with power electronics Familiarity with Cyber Resilience Act (IEC 62443) Experience with Single-Pair Ethernet communication Experience with CI/CD Knowledge of C#, Python What we offer: Stability and long-term growth opportunities within a global organization Close cooperation with colleagues from Germany Attractive benefits such as private healthcare, Multisport Participation in interesting projects Development opportunities and a wide range of training, including subsidised language courses Housing loans and a loan and assistance fund Annual bonus A referral bonus Flexible working hours Subsidies for commuting more than 30 km from PxCBS Parking space for employees Possibility to work remotely up to 8 days a month

🏢 Summary: On-site Software Engineer - GUI Developer role focused on building and enhancing responsive web-based GUI features for network visibility and security products using HTML5 and Angular technologies. The position involves collaborating with product management and QA teams, debugging and testing software, and supporting multiple product release cycles. 🗂️ Requirements: Legal authorization to work in the United States without visa sponsorship, Minimum 3 years of hands-on UI development experience using HTML5/AngularJS or Adobe Flash/Flex, Experience developing with HTML, CSS, JavaScript, AngularJS, XML, JSON, and RESTful services, Proven ability to develop responsive web applications, Familiarity with software versioning, bug tracking, and code review tools, BS degree in Computer Science, Electrical Engineering, or equivalent training and experience, Good written and verbal communication skills 📃 Skills: HTML5, AngularJS, HTML, CSS, JavaScript, XML, JSON, REST, PHP, Bootstrap, Angular, TypeScript, Webpack, Node.js, Gulp, MySQL, Flex, SASS 🏢 Description: About APCON APCON, an industry leader in network visibility and security solutions, provides an unparalleled level of confidence to enterprise and midsize businesses seeking network insights for enhanced investigation, threat detection and response. Our customers include Fortune 1000 companies to midsize organizations as well as government and defense agencies. Organizations in over 40 countries depend on APCON solutions. We are collaborative, innovative, and committed to excellence. We are looking for a Software Engineer - GUI Developer who reflects these values. This role is fully on site. Candidates selected to move forward will complete our standard prescreening process, which includes a background check and drug screen. We can only consider applicants who are legally authorized to work in the United States and who do not require current or future visa sponsorship. About The Role APCON is looking for a strong GUI developer for our development group. The Software Engineer GUI Developer will work in a small group and will implement features in GUI. What You Will Do - Designs, implements, debugs, and tests software in HTML5/Angular. - Works with product management to understand, and implement requirements in GUI. - Helps resolve issues and improve performance with existing code by working with quality team. - Works closely with the quality assurance group for testing. - Creates documentation and test cases for his/her own software development. - Develops feature enhancements and provide development support for existing product lines. - Works in both an independent and team member environment to meet multiple product release cycles. What You Bring - Proven ability to develop web responsive applications. - Familiarity with software versioning tools, bug tracking tools and code review tools. - Good written and verbal communication skills. - Experience in developing with HTML, CSS, JavaScript, AngularJS, XML, JSON, and RESTful services. - Prefer experience with PHP, Bootstrap, Angular, Typescript, Webpack, Node.js, Gulp, MySQL, Adobe Flex, SASS, and client-side frameworks. - BS degree (BSEE or BSCS strongly preferred, MSCS a plus) or the equivalent in training and experience. - Minimum 3 years hands on experience in UI development using HTML5/AngularJS or Adobe Flash/Flex. Why Join APCON - Employee-only medical and dental coverage fully paid on our base plan - Additional plan option available with cost sharing - Medical, dental, and vision coverage available for dependents with cost sharing - Company-paid short- and long-term disability - Flexible spending accounts - Generous paid time off that supports employee well-being - 401(k) plan with a company match to support long-term financial security - Professional development program - Volunteer time off and employee assistance plan - Collaborative and innovative work environment APCON is an EEO Employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status. Offers are contingent on the successful completion of pre-employment background and drug screenings.

🏢 Summary: On-site Software Engineer - GUI Developer role focused on building and enhancing responsive web interfaces using HTML5 and Angular technologies for network visibility and security products. The position involves GUI feature development, debugging, testing, performance improvements, and collaboration with product management and QA teams. Candidates need strong UI development experience and must be authorized to work in the United States without sponsorship. 🗂️ Requirements: 3+ years of hands-on UI development experience using HTML5/AngularJS or Adobe Flash/Flex, Experience with HTML, CSS, JavaScript, AngularJS, XML, JSON, and RESTful services, Ability to develop responsive web applications, Familiarity with version control, bug tracking, and code review tools, BS degree in Computer Science, Electrical Engineering, or equivalent experience, Legal authorization to work in the United States without visa sponsorship, Ability to complete background check and drug screening, Strong written and verbal communication skills 📃 Skills: HTML5, AngularJS, HTML, CSS, JavaScript, XML, JSON, REST, PHP, Bootstrap, Angular, Typescript, Webpack, Node.js, Gulp, MySQL, Flex, SASS 🏢 Description: About APCON APCON, an industry leader in network visibility and security solutions, provides an unparalleled level of confidence to enterprise and midsize businesses seeking network insights for enhanced investigation, threat detection and response. Our customers include Fortune 1000 companies to midsize organizations as well as government and defense agencies. Organizations in over 40 countries depend on APCON solutions. We are collaborative, innovative, and committed to excellence. We are looking for a Software Engineer - GUI Developer who reflects these values. This role is fully on site. Candidates selected to move forward will complete our standard prescreening process, which includes a background check and drug screen. We can only consider applicants who are legally authorized to work in the United States and who do not require current or future visa sponsorship. About The Role APCON is looking for a strong GUI developer for our development group. The Software Engineer GUI Developer will work in a small group and will implement features in GUI. What You Will Do - Designs, implements, debugs, and tests software in HTML5/Angular. - Works with product management to understand, and implement requirements in GUI. - Helps resolve issues and improve performance with existing code by working with quality team. - Works closely with the quality assurance group for testing. - Creates documentation and test cases for his/her own software development. - Develops feature enhancements and provide development support for existing product lines. - Works in both an independent and team member environment to meet multiple product release cycles. What You Bring - Proven ability to develop web responsive applications. - Familiarity with software versioning tools, bug tracking tools and code review tools. - Good written and verbal communication skills. - Experience in developing with HTML, CSS, JavaScript, AngularJS, XML, JSON, and RESTful services. - Prefer experience with PHP, Bootstrap, Angular, Typescript, Webpack, Node.js, Gulp, MySQL, Adobe Flex, SASS, and client-side frameworks. - BS degree (BSEE or BSCS strongly preferred, MSCS a plus) or the equivalent in training and experience. - Minimum 3 years hands on experience in UI development using HTML5/AngularJS or Adobe Flash/Flex. Why Join APCON - Employee-only medical and dental coverage fully paid on our base plan - Additional plan option available with cost sharing - Medical, dental, and vision coverage available for dependents with cost sharing - Company-paid short- and long-term disability - Flexible spending accounts - Generous paid time off that supports employee well-being - 401(k) plan with a company match to support long-term financial security - Professional development program - Volunteer time off and employee assistance plan - Collaborative and innovative work environment APCON is an EEO Employer. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or other legally protected status. Offers are contingent on the successful completion of pre-employment background and drug screenings.

🏢 Summary: Senior Firmware Engineer role focused on designing, developing, and delivering IoT firmware solutions for Azure-connected devices using C/C++ and RTOS-based microcontroller systems. The position involves full embedded SDLC ownership, system integration, and technical leadership within a small engineering team. Work is remote or hybrid with collaboration across hardware and software teams. 🗂️ Requirements: Strong proficiency in C/C++, Experience with microcontroller-based firmware development, Experience with RTOS-based systems, Experience developing and troubleshooting embedded systems, Ability to read and understand schematics and PCB designs, Knowledge of communication and wireless protocols, Experience with Azure-connected device development, Experience with version control and agile tools, Availability to work in US time zone 📃 Skills: C, C++, RTOS, IoT, Azure, Microcontrollers, Embedded, Serial, Bluetooth, Wi-Fi, Cellular, IP, VisualStudio, AzureDevOps, Git, PCB, SDLC 🏢 Description: We are looking for a Senior Firmware Engineer to join our team, with strong expertise in C/C++, microcontrollers, RTOS, and IoT firmware development. Your responsibilities: Design, develop, test, troubleshoot, and deliver IoT firmware systems Guide the full SDLC for embedded software Write high-quality C/C++ code for Azure-connected devices Collaborate with hardware and software teams to integrate and optimize systems Create and maintain firmware documentation Contribute to technical direction within a small engineering team We are looking for you, if you have: Availability to work in the US time zone Strong proficiency in C/C++ and modern design practices Experience in firmware development for microcontrollers and RTOS-based systems Expertise in developing and troubleshooting embedded systems, including hardware understanding (schematics, PCB) Knowledge of communication protocols and wireless technologies (e.g., Serial, Bluetooth, Wi-Fi, Cellular, IP) Experience with version control, agile tools, and code reviews (e.g., Visual Studio, Azure DevOps) We offer: Participation in interesting and demanding projects Flexible working hours A great, non-corporate atmosphere Stable employment conditions (contract of employment or B2B contract) Opportunities for development and promotion Attractive package of benefits Work model: remote or hybrid (2 days per week from the office) We reserve the right to contact the selected candidates.

🏢 Summary: Oferta dotyczy roli Embedded Systems Engineer odpowiedzialnej za rozwój firmware’u, integrację sprzętu oraz uruchamianie platform opartych o mikrokontrolery. Praca obejmuje debugowanie systemów embedded, analizę komunikacji między urządzeniami oraz wsparcie prototypowania i walidacji sprzętu. Możliwa jest współpraca zdalna lub hybrydowa z Wrocławia. 🗂️ Requirements: Minimum 4 lata doświadczenia w projektowaniu systemów wbudowanych, Bardzo dobra znajomość C/C++, Doświadczenie z systemami bare-metal i RTOS, Doświadczenie z mikrokontrolerami STM32, Doświadczenie z mikrokontrolerami ESP32, Doświadczenie z mikrokontrolerami NXP, Doświadczenie z mikrokontrolerami Nordic nRF, Znajomość UART, Znajomość SPI, Znajomość I2C, Znajomość CAN, Znajomość Modbus, Znajomość USB, Umiejętność czytania schematów elektronicznych, Doświadczenie z oscyloskopem, Doświadczenie z analizatorem stanów logicznych, Doświadczenie z multimetrem, Doświadczenie w debugowaniu przez JTAG, Doświadczenie w debugowaniu przez SWD, Umiejętność samodzielnej pracy nad firmware i hardware 📃 Skills: C, C++, STM32, ESP32, NXP, Nordic, nRF, UART, SPI, I2C, CAN, Modbus, USB, RTOS, FreeRTOS, Zephyr, BLE, LoRa, Wi-Fi, Zigbee, OTA, Python, Git, Jenkins, GitLab, JTAG, SWD 🏢 Description: Nasz Klient to firma technologiczna rozwijająca nowoczesne urządzenia embedded, łączące oprogramowanie niskopoziomowe z projektowaniem elektroniki. Realizowane projekty obejmują rozwój nowych urządzeń, uruchamianie prototypów oraz integrację rozwiązań sprzętowych i firmware. Projekt koncentruje się na rozwoju platform opartych o mikrokontrolery oraz wsparciu procesu uruchamiania nowego sprzętu - od konfiguracji i integracji komponentów, przez rozwój firmware'u, aż po analizę oraz diagnostykę komunikacji pomiędzy urządzeniami. Do realizacji projektu poszukiwana jest osoba do współpracy w roli Embedded Systems Engineer , która posiada doświadczenie zarówno w programowaniu systemów wbudowanych, jak i pracy z elektroniką oraz uruchamianiu prototypów sprzętowych. 📍 Tryb Współpracy: Wrocław (preferowany) lub 100% zdalnie ⏱️ Dostępność: Poszukujemy osób dostępnych od zaraz lub z maksymalnie 1-miesięczną dostępnością 🧑‍💻 CZYM BĘDZIESZ SIĘ ZAJMOWAĆ? Rozwijaniem oraz utrzymywaniem firmware'u dla urządzeń embedded Udziałem w uruchamianiu nowych platform sprzętowych oraz diagnozowaniu problemów pojawiających się na etapie integracji hardware'u i oprogramowania Konfiguracją oraz analizą komunikacji pomiędzy urządzeniami z wykorzystaniem popularnych interfejsów komunikacyjnych Wspieraniem procesu debugowania z wykorzystaniem narzędzi laboratoryjnych oraz analizą sygnałów sprzętowych Wprowadzaniem drobnych modyfikacji sprzętowych na potrzeby testów i walidacji prototypów Adaptacją oraz przenoszeniem istniejących komponentów firmware'u pomiędzy platformami sprzętowymi Przygotowywaniem dokumentacji technicznej dotyczącej rozwijanych rozwiązań 🔍 CZEGO OD CIEBIE OCZEKUJEMY? Must have: Minimum 4 lata doświadczenia w projektowaniu systemów wbudowanych (firmware oraz hardware) Bardzo dobra znajomość C/C++ w środowisku embedded ( bare-metal , RTOS ) Doświadczenie z mikrokontrolerami z rodziny STM32 , ESP32 , NXP , Nordic (nRF) lub podobnymi Praktyczna znajomość protokołów komunikacyjnych, takich jak UART , SPI , I2C , CAN , Modbus oraz USB Umiejętność czytania schematów elektronicznych oraz współpracy przy rozwoju sprzętu Doświadczenie w pracy z narzędziami laboratoryjnymi, m.in . oscyloskopem, analizatorem stanów logicznych oraz multimetrem Doświadczenie w debugowaniu układów z wykorzystaniem JTAG lub SWD Umiejętność samodzielnej realizacji zadań obejmujących zarówno firmware, jak i aspekty sprzętowe Nice to have: Znajomość FreeRTOS , Zephyr lub innych systemów RTOS Doświadczenie z komunikacją bezprzewodową ( BLE , LoRa , Wi-Fi , Zigbee ) Doświadczenie z mechanizmami OTA Znajomość Python lub innych języków wykorzystywanych do automatyzacji Doświadczenie z Git , Jenkins , GitLab CI lub innymi narzędziami wspierającymi rozwój firmware'u 🤝 DLACZEGO WARTO? Udział w projekcie obejmującym rozwój nowoczesnych urządzeń embedded od etapu prototypu do wdrożenia Możliwość współpracy przy rozwoju firmware'u, integracji elektroniki oraz uruchamianiu nowych platform sprzętowych Projekt wykorzystujący nowoczesne mikrokontrolery oraz narzędzia do analizy i debugowania systemów wbudowanych Współpraca w środowisku umożliwiającym udział w pełnym cyklu rozwoju urządzeń 📍 Dziękujemy za wszystkie zgłoszenia! Skontaktujemy się z wybranymi osobami. TQLO Sp. z o.o. – Agencja Zatrudnienia (nr KRAZ 33580)

🏢 Summary: Senior Firmware / Embedded Engineer responsible for end-to-end hardware lifecycle and production-grade firmware development for Nordic-based IoT devices used in real-time healthcare location systems. The role combines PCB design validation, embedded C development on Zephyr RTOS, wireless stack implementation (BLE/UWB), and hands-on hardware bring-up to ensure reliable, scalable device deployments. Focus is on device reliability, radio performance, and seamless data delivery from edge devices to cloud. 🗂️ Requirements: 3+ years embedded or firmware engineering experience on commercial hardware products, Ability to read schematics and review PCB layouts independently, Experience validating hardware designs before production, Proficiency in embedded C for microcontrollers, Experience with Zephyr RTOS, Experience with Nordic Semiconductor (nRF series) microcontrollers, Understanding of wireless and radio fundamentals (BLE, UWB, NFC), Hands-on hardware bring-up, soldering, and bench testing, Experience implementing watchdogs and device health monitoring mechanisms, Use of AI coding tools (Claude, GitHub Copilot, or equivalent), Strong English communication skills 📃 Skills: C, Zephyr, nRF, BLE, UWB, NFC, RTOS, PCB, AI, Python, RTLS, IPS 🏢 Description: Our devices sit at the physical edge of the Kontakt.io platform — delivering real-time location intelligence for patients, staff, and assets across hospitals worldwide. The hardware we ship must be reliable, power-efficient, and maintainable at scale across thousands of deployed units in regulated healthcare environments. We're looking for a Senior Firmware / Embedded Engineer to own the full hardware lifecycle — from schematic review and component validation to production-grade firmware running on Nordic Semiconductor microcontrollers. You'll set the quality bar for devices that clinicians and hospitals depend on every day. What you will be working on Hardware design & validation Review and validate PCB schematics, component selection, and board-level design decisions before production. Catch issues early — at the schematic stage, not after boards are manufactured. Firmware development Build and maintain production firmware for Nordic Semiconductor (nRF) microcontrollers — including BLE and UWB radio stacks used for real-time indoor positioning in healthcare environments. Hands-on testing & bring-up Set up and run hardware test environments. Prototype on breadboards, solder, validate device behavior, and own bring-up from first-article boards through to production qualification. Device reliability Implement health monitoring mechanisms to ensure devices operate continuously in the field. Own reliability from firmware to fleet — devices must keep running without human intervention. Day to day responsibilities Write and review embedded C firmware for nRF-series microcontrollers using Zephyr RTOS Review hardware schematics and validate PCB designs — identify and flag issues before production Prototype and bench-test hardware setups; solder, debug, and validate devices hands-on Implement and maintain watchdog, reset, and device health monitoring logic for production deployments Collaborate with the Location Engine team to ensure reliable, low-latency data delivery from device to cloud Apply AI-assisted development practices (Claude Code, or equivalent) to accelerate firmware development and code review Contribute to design decisions covering the full product lifecycle — requirements, component selection, enclosure validation, bring-up, and release The engineer we're looking for investigates problems proactively — doesn't wait to be told what's broken. Works independently across hardware and firmware layers. Thinks about correctness, reliability, and long-term maintainability — not just "does it compile." What we are looking for 3+ years of embedded / firmware engineering experience on commercial hardware products Electronics background — able to read schematics, review PCB layouts, and validate hardware designs independently Hands-on hardware skills — comfortable with soldering, bring-up, and manual testing of embedded systems Understanding of radio / wireless fundamentals — antennas, BLE, UWB, NFC, or related protocols used in positioning systems Demonstrated use of AI coding tools in daily workflows (Claude, GitHub Copilot, or equivalent) Strong written and verbal communication in English Nice to have Nordic Semiconductor (nRF series) and Zephyr RTLS experience Exposure to indoor positioning technologies (RTLS, IPS, UWB ranging) Python for scripting, tooling, or test automation Background in healthcare IoT or regulated device environments We offer Fast-paced, dynamic startup environment with flat structure Competitive salary and stock option plan Work on cutting-edge healthcare IoT at the intersection of hardware, firmware, and real-time location intelligence Hybrid work model (Kraków office — 2–3 days per week onsite) Collaborative, self-organized engineering culture Private medical care and cafeteria system Ready to build hardware that saves lives? Apply and tell us about a hardware or firmware project you owned end-to-end — what broke, how you found it, and what you did about it.

🏢 Summary: Senior Firmware / Embedded Engineer role focused on owning the full hardware lifecycle for healthcare IoT devices, from schematic review and PCB validation to production-grade firmware on Nordic nRF microcontrollers. The position centers on building reliable, power-efficient devices with BLE and UWB connectivity for real-time indoor positioning in regulated hospital environments. The engineer is responsible for hardware bring-up, embedded C development on Zephyr RTOS, and ensuring long-term device reliability at scale. 🗂️ Requirements: 3+ years embedded/firmware engineering experience on commercial hardware products, Proficiency in embedded C for microcontrollers, Experience with Nordic nRF microcontrollers, Experience with Zephyr RTOS, Ability to read schematics and review PCB layouts, Hands-on hardware bring-up, soldering, and bench testing, Understanding of wireless/radio fundamentals (BLE, UWB, NFC), Experience implementing device reliability mechanisms (watchdog, health monitoring), Use of AI coding tools (e.g., Claude, Copilot), Strong English communication skills 📃 Skills: C, Embedded, Firmware, Nordic, nRF, Zephyr, BLE, UWB, NFC, RTOS, PCB, RTLS, IPS, Python, AI, Copilot 🏢 Description: Our devices sit at the physical edge of the Kontakt.io platform — delivering real-time location intelligence for patients, staff, and assets across hospitals worldwide. The hardware we ship must be reliable, power-efficient, and maintainable at scale across thousands of deployed units in regulated healthcare environments. We're looking for a Senior Firmware / Embedded Engineer to own the full hardware lifecycle — from schematic review and component validation to production-grade firmware running on Nordic Semiconductor microcontrollers. You'll set the quality bar for devices that clinicians and hospitals depend on every day. What you will be working on Hardware design & validation Review and validate PCB schematics, component selection, and board-level design decisions before production. Catch issues early — at the schematic stage, not after boards are manufactured. Firmware development Build and maintain production firmware for Nordic Semiconductor (nRF) microcontrollers — including BLE and UWB radio stacks used for real-time indoor positioning in healthcare environments. Hands-on testing & bring-up Set up and run hardware test environments. Prototype on breadboards, solder, validate device behavior, and own bring-up from first-article boards through to production qualification. Device reliability Implement health monitoring mechanisms to ensure devices operate continuously in the field. Own reliability from firmware to fleet — devices must keep running without human intervention. Day to day responsibilities Write and review embedded C firmware for nRF-series microcontrollers using Zephyr RTOS Review hardware schematics and validate PCB designs — identify and flag issues before production Prototype and bench-test hardware setups; solder, debug, and validate devices hands-on Implement and maintain watchdog, reset, and device health monitoring logic for production deployments Collaborate with the Location Engine team to ensure reliable, low-latency data delivery from device to cloud Apply AI-assisted development practices (Claude Code, or equivalent) to accelerate firmware development and code review Contribute to design decisions covering the full product lifecycle — requirements, component selection, enclosure validation, bring-up, and release The engineer we're looking for investigates problems proactively — doesn't wait to be told what's broken. Works independently across hardware and firmware layers. Thinks about correctness, reliability, and long-term maintainability — not just "does it compile." What we are looking for 3+ years of embedded / firmware engineering experience on commercial hardware products Electronics background — able to read schematics, review PCB layouts, and validate hardware designs independently Hands-on hardware skills — comfortable with soldering, bring-up, and manual testing of embedded systems Understanding of radio / wireless fundamentals — antennas, BLE, UWB, NFC, or related protocols used in positioning systems Demonstrated use of AI coding tools in daily workflows (Claude, GitHub Copilot, or equivalent) Strong written and verbal communication in English Nice to have Nordic Semiconductor (nRF series) and Zephyr RTLS experience Exposure to indoor positioning technologies (RTLS, IPS, UWB ranging) Python for scripting, tooling, or test automation Background in healthcare IoT or regulated device environments We offer Fast-paced, dynamic startup environment with flat structure Competitive salary and stock option plan Work on cutting-edge healthcare IoT at the intersection of hardware, firmware, and real-time location intelligence Hybrid work model (Kraków office — 2–3 days per week onsite) Collaborative, self-organized engineering culture Private medical care and cafeteria system Ready to build hardware that saves lives? Apply and tell us about a hardware or firmware project you owned end-to-end — what broke, how you found it, and what you did about it.

🏢 Summary: The offer is for an Embedded Software Engineer responsible for developing firmware for modern Voice Alarm and Intercom Systems used in critical communication environments. The role covers the full embedded development lifecycle, including architecture, implementation, testing, and maintenance, with a focus on digital signal processing and audio transmission. The position involves close collaboration with hardware and software teams on advanced embedded solutions. 🗂️ Requirements: Minimum 2 years of experience in embedded or similar position, Experience in firmware development in C/C++, Knowledge of communication protocols: I2C, SPI, UART, RS232/485, Knowledge of network protocols: TCP/IP, UDP, SNMP, Knowledge of RTOS systems (e.g., FreeRTOS), Knowledge of Embedded Linux, Ability to create technical documentation, Good command of English 📃 Skills: C, C++, Python, LUA, I2C, SPI, UART, RS232, RS485, TCP/IP, UDP, SNMP, RTOS, FreeRTOS, Linux, Embedded, Firmware 🏢 Description: We are a company that develops modern Voice Alarm Systems (VAS) and Intercom Systems, setting standards in safety communication. We design, manufacture, and deliver digital technologies for critical communication: Voice Alarm Systems, intercoms, and intelligent management software. Our strength lies in our team of experts - people with passion, knowledge, and ambition. Thanks to their commitment, we are building a reliable and competitive organization. Our solutions operate in the most demanding environments: airports, stadiums, road tunnels, shopping centers, hospitals, office buildings, schools, and railway stations. We are present wherever safety and effective communication matter most. Your responsibilities: Creating and participating in the full embedded software development cycle (specification, architecture, implementation, debugging, unit and integration testing, maintenance, documentation) Creating and developing firmware in C/C++, Python, LUA for embedded systems Implementation of drivers for peripheral devices Creating design, construction, testing documentation, instructions, and reports Collaboration with software and hardware development teams, testers Our requirements: Minimum 2 years of experience in performing tasks in a similar position Experience in firmware development in C/C++ Knowledge of I2C, SPI, UART, RS232/485, TCP/IP, UDP, SNMP, and other network protocols Knowledge of RTOS systems (e.g., FreeRTOS) and Embedded Linux Ability to think independently, creatively, and analytically Good command of English We offer: Participation in interesting and advanced projects in the field of digital signal processing and audio signal transmission Collaboration with an experienced team of designers and developers Guaranteed technological challenges at the highest global level Transparent bonus system Medical care at LuxMed facilities Multisport card subsidy Bicycle and car parking for employees Occasional gifts Team-building events, joint barbecues Flexible working hours Hybrid work, 30 days of remote work per year

🏢 Summary: Short-term project for an Embedded Software Engineer focused on migrating existing software from Texas Instruments CC1xxx to a new hardware platform and optimizing it for performance and stability. The role involves low-level programming, hardware-software integration, and close collaboration with the hardware team during integration, testing, and debugging. Hybrid work model in Wrocław with possible immediate start. 🗂️ Requirements: Very good knowledge of C in embedded systems, Experience with Texas Instruments CC1xxx microcontrollers or similar RF MCUs, Practical experience with Code Composer Studio, Experience in bare-metal environments or minimal RTOS, Low-level programming skills (register-level, hardware debugging), Knowledge of SPI, I2C, UART, GPIO, ADC interfaces, Ability to read electronic schematics, Experience with oscilloscope, logic analyzer, JTAG 📃 Skills: C, CC1xxx, TexasInstruments, CodeComposerStudio, BareMetal, RTOS, SPI, I2C, UART, GPIO, ADC, JTAG, Oscilloscope, LogicAnalyzer 🏢 Description: Nasz Klient to firma technologiczna rozwijająca zaawansowane rozwiązania embedded dla urządzeń elektronicznych. Projekt koncentruje się na migracji istniejącego oprogramowania na nowoczesną platformę sprzętową oraz jego optymalizacji pod kątem wydajności i stabilności. Szukamy doświadczonej osoby na stanowisko Embedded Software Engineer, która dobrze odnajduje się w pracy niskopoziomowej i potrafi łączyć świat software’u z hardware’em. 📍 TRYB PRACY: Wrocław – praca hybrydowa - 2 lub 3 dni w biurze ⏱️ DOSTĘPNOŚĆ: Start projektu możliwy ASAP - preferowane osoby z maks. 2-tygodniowym okresem wypowiedzenia / projekt na ok 1-2 mce 🧑‍💻 CZYM BĘDZIESZ SIĘ ZAJMOWAĆ? Przeniesieniem istniejącego oprogramowania z platformy Texas Instruments CC1xxx na nową, bardziej zaawansowaną platformę sprzętową, z uwzględnieniem różnic architektonicznych i sprzętowych Analizą aktualnej architektury systemu oraz identyfikacją zależności pomiędzy warstwą sprzętową i programową w celu zapewnienia poprawnej migracji Dostosowaniem i optymalizacją kodu pod nową platformę (wydajność, zużycie pamięci, obsługa peryferiów) Ścisłą współpracą z zespołem hardware podczas integracji, testowania oraz debugowania rozwiązania Diagnozowaniem i rozwiązywaniem problemów na styku sprzętu i oprogramowania Wsparciem w testach i walidacji działania systemu na poziomie niskopoziomowym 🔍 CZEGO OD CIEBIE OCZEKUJEMY? Must have: Bardzo dobra znajomość C (język programowania) w systemach embedded Doświadczenie z mikrokontrolerami Texas Instruments CC1xxx (rodzina układów RF) lub podobnymi Praktyczna znajomość Code Composer Studio (środowisko IDE dla TI) Doświadczenie w pracy w środowisku bare-metal (bez systemu operacyjnego lub z minimalnym RTOS – Real-Time Operating System) Umiejętność programowania niskopoziomowego (rejestry, debugowanie sprzętowe) Znajomość interfejsów sprzętowych: SPI (Serial Peripheral Interface) , I2C (Inter-Integrated Circuit) , UART (Universal Asynchronous Receiver-Transmitter) , GPIO (General Purpose Input/Output) , ADC (Analog-to-Digital Converter) Umiejętność czytania schematów elektronicznych Doświadczenie z narzędziami debugującymi: oscyloskop, analizator logiczny, JTAG (Joint Test Action Group) Nice to have: Bardzo dobre zrozumienie współpracy elektroniki i oprogramowania w systemach embedded Umiejętność samodzielnego diagnozowania złożonych problemów niskopoziomowych Dokładność oraz metodyczne podejście do pracy 🤝 DLACZEGO WARTO? Współpraca w modelu B2B z wynagrodzeniem do ok. 130–135 PLN/h netto + VAT Krótkoterminowy projekt (ok. 40 dni) z realną możliwością przedłużenia Praca przy zaawansowanym projekcie embedded z dużym wpływem na finalne rozwiązanie Bliska współpraca z zespołem hardware - realne wyzwania techniczne, nie „utrzymanie” Szybki proces rekrutacyjny i możliwość rozpoczęcia pracy od zaraz Partnerska współpraca i konkretna komunikacja bez zbędnej biurokracji Dziękujemy za wszystkie zgłoszenia! Skontaktujemy się z wybranymi osobami.