Senior Embedded Software Engineer

🏢 Summary: Senior Embedded Engineer role focused on designing and delivering high-performance embedded software for robotic security devices on an existing hardware platform. The position covers full-stack embedded development from Linux/Android BSP and HAL to ARM-based MCUs with RTOS, including build systems and device drivers. It involves leading architecture, optimizing performance in constrained environments, and driving production-ready firmware development. 🗂️ Requirements: 5+ years commercial embedded development experience, Expertise in C, Expertise in C++17, Strong knowledge of RTOS, Experience with ARM or RISC-V microcontrollers, Strong Linux development experience, Experience with build systems (Buildroot, Yocto, CMake), Ability to develop and debug device drivers, Knowledge of I2C, SPI, UART, Wi-Fi protocols, Experience with network programming, Experience with multithreading on multicore systems, Proficiency with Git and CI/CD pipelines, Ability to read schematics and data sheets, Upper-Intermediate English (B2) 📃 Skills: C, C++, C++17, RTOS, ARM, RISC-V, Linux, Android, BSP, HAL, Buildroot, Yocto, CMake, Git, CI/CD, I2C, SPI, UART, Wi-Fi, Multithreading, Networking, DeviceDrivers 🏢 Description: Team Summary Our mission is to craft reliable, high-performance embedded solutions that protect millions of homes worldwide. We operate in a sophisticated ecosystem where hardware meets intelligence, following mature Agile methodologies with regular sprint cycles, rigorous code reviews, and robust CI/CD practices. Our culture is built on technical excellence: we emphasize comprehensive testing, top-tier security standards, and deep cross-functional collaboration. We pride ourselves on writing clean, maintainable code and fostering an environment of continuous knowledge sharing. Job Summary We are seeking a Senior Embedded Engineer to take ownership of critical software components within our robotic security devices. This is a great opportunity to participate in the development of a brand-new software solution for our existing robotic hardware platform. Responsibilities and Duties Design and architect high-quality embedded software in C and C++ (C++17) for next-generation camera-based security devices. Develop and optimize build systems (Buildroot, Yocto, CMake) for product firmware components. Work across the entire stack, from Linux/Android BSP and HAL to ARM-based MCUs running Real-Time Operating Systems (RTOS). Debug and resolve complex software, hardware, and network connectivity challenges across the entire device lifecycle. Lead the development of innovative features from conceptual design to global production. Optimize performance for highly resource-constrained embedded environments. Drive technical excellence through proactive code reviews and mentorship of the engineering team. Shape the product roadmap by participating in high-level architecture discussions and strategic decision-making. Partner with QA teams to design and implement comprehensive automated testing strategies. Maintain high documentation standards for software designs, APIs, and troubleshooting procedures. Qualifications and Skills 5+ years of commercial experience in embedded development, with mastery of C and C++ (C++17) and microcontroller architectures (ARM, RISC-V). Strong Linux background, with proficiency in developing within a Linux-based environment. Ability to read and interpret complex schematics and data sheets. Proficiency in modern engineering tools, including Git, CMake, and CI/CD pipelines. Solid understanding of network programming and multithreading on multicore systems. Deep knowledge of communication protocols (I2C, SPI, UART, Wi-Fi) and experience writing robust device drivers. Proven ability to drive complex projects independently and deliver production-ready results. Excellent skills for technical documentation and cross-functional collaboration. At least an Upper-Intermediate level in both written and spoken English (B2). Nice to have Hands-on experience with Embedded Linux BSP, Buildroot, or other Linux build systems. Understanding of RTOS. Understanding of modern security protocols and encryption methods. Experience with Android OS internals. Familiarity with ROS (Robot Operating System) and the robotics domain. Experience with Bluetooth connectivity. Proficiency in Python for automation and scripting. Experience leveraging AI-powered tools to enhance code quality and development velocity. We offer multiple benefits that include The environment of equal opportunities, transparent and value-based corporate culture, and an individual approach to each team member Competitive salary packages with performance-based annual reviews Opportunity to receive a Performance Bonus for your individual achievements and a Loyalty Bonus recognizing your dedication to the company Employment via Contract of Employment (UoP) in complete alignment with Polish Labour Law Guaranteed paid vacation, public holidays, and medical leaves as per statutory regulations Continuous growth and development opportunities through internal knowledge hubs, corporate courses, and free English classes Comprehensive private medical insurance to supplement your standard NFZ coverage.

🏢 Summary: Opportunity to work on HVAC and IoT cloud integration projects focused on heating systems, heat pumps, and smart energy management solutions. The role involves automated testing, embedded Linux environments, CI/CD workflows, and collaboration within Agile SAFe teams developing system control and HMI software. Hybrid work from Katowice with quarterly business trips to Germany is required. 🗂️ Requirements: Python programming, Automated testing experience, Robot Framework, Linux administration, Command-line scripting, Troubleshooting, Yocto basics, Embedded Linux knowledge, Git version control, GitHub Actions, CI/CD processes, SomeIP protocols, Scrum experience, Test case creation, Requirements traceability, Test documentation, English or German proficiency, Hybrid work availability, Quarterly travel to Germany 📃 Skills: Python, Robot, Linux, Yocto, Git, GitHub, CI/CD, SomeIP, Scrum, WSL, C++, IoT, SAFe 🏢 Description: About the project A project carried out for the HVAC (Heating, Ventilation, Air Conditioning) industry and the broader field of heating and air conditioning technologies, covering solutions in thermal comfort, building energy management, and energy efficiency (including heating systems, heat pumps, and smart control of installations). The project concerns communication and integration of devices with the cloud / IoT. Our expectations Strong Python programming skills are essential, with practical experience in writing and maintaining test scripts and frameworks. Hands-on experience with e.g Robot Framework for developing and executing automated tests. Good familiarity with Linux systems, including command-line operations, scripting, and troubleshooting. Basic understanding of Yocto and embedded Linux development environments. Proficiency with Git for source code management, including experience with GitHub Actions for automation and CI/CD workflows. Practical knowledge of continuous integration and deployment processes to ensure efficient and reliable software delivery. Knowledge of SomeIP or similar communication protocols used Development Methodologies and Processes Experience working within Scrum teams, participating in sprints, stand-ups, and retrospectives. Basic understanding of requirements management, test case derivation, and traceability. Ability to create effective test cases based on system requirements and specifications, ensuring comprehensive test coverage. Ability to document test procedures, results, and issues clearly and thoroughly. Proficiency in English or German, both written and spoken, to facilitate communication within international teams and documentation. Willingness to work in a hybrid model from the office in Katowice and openness to quarterly business trips to Germany. Welcome Skills Experience with Windows Subsystem for Linux (WSL). C++ programming skills for understanding and possibly extending embedded software components. Knowledge of heating systems, heat pumps, or HVAC systems to better understand the domain-specific context. Key tasks Work within the SCI Stream, consisting of multiple Agile teams focused on System Control and HMI software development for products such as heat pumps, boilers, and integrated system solutions. Develop and enhance system-level features, including heating and cooling functionalities as well as commissioning capabilities. Support the delivery of customer-centric solutions through fast integration of software components and continuous testing practices. Contribute to the preparation and execution of impactful product demonstrations for stakeholders and customers. Enable and support Smart Home integration features within system products and accessories. Collaborate closely with cross-functional software development teams across the SCI Stream to ensure alignment and quality delivery. Work within a SAFe (Scaled Agile Framework) environment as part of a larger Solution Train organization. Participate actively in Agile ceremonies and contribute to continuous improvement across teams and the broader stream.

🏢 Summary: Internship focused on developing and implementing responsive IoT applications, ensuring reliable device communication and supporting configuration of IoT devices and gateways. The role involves working with IoT protocols, analyzing sensor data, and troubleshooting technical issues under mentorship. It offers hands-on experience with IoT platforms and potential future employment. 🗂️ Requirements: Student or graduate in Computer Science, Telecommunications or related field, Basic knowledge of computers, networking and operating systems, Basic understanding of IoT communication protocols, Ability to read technical documentation in English, Analytical and problem-solving skills, Willingness to learn Linux, Windows and cloud technologies 📃 Skills: IoT, MQTT, HTTP, OPC, Linux, Windows, Cloud, Networking, OperatingSystems 🏢 Description: Responsibilities: Programming and implementing responsive applications using leading IoT platforms Work with protocols such as MQTT, HTTP, OPC to ensure reliable device communication. Developing and maintaining clean, efficient, and reusable code Assist in configuring and setting up IoT devices and gateways. Gather, analyse, and interpret data from IoT sensors and connected systems. Troubleshooting and debugging issues to ensure a smooth user experience Requirements: Student or graduate in a technical field (Computer Science, Telecommunications, or related areas). Basic technical understanding of computers, networking, and operating systems. Interest in learning more about Linux, Windows, and cloud technologies. Strong analytical thinking and problem-solving skills. Good communication skills, curiosity, and willingness to learn. Basic English skills, especially reading technical documentation. What we offer: The internship is for 3/4 time, hybrid with 2-3 days a week in the office in Zielona Góra Unpaid internship Training and mentorship support, Opportunity for employment after the internship Flexible working hours adjusted to academic commitments.

🏢 Summary: Offer for an Embedded Developer with strong Rust expertise to work on a smart IoT sleep-tracking device. The role involves developing and optimizing embedded software components, enhancing device capabilities, and ensuring high engineering and quality standards. You will collaborate with a cross-functional team to deliver a high-performance device integrated with a mobile application. 🗂️ Requirements: Strong proficiency in Rust, Experience in C/C++ for embedded systems, Experience developing drivers for hardware interfaces (I2C, SPI, UART, I2S), Hands-on experience with ARM Cortex-A, Experience with Linux, Experience with unit, integration, and end-to-end testing, Proficiency with Git, Upper-Intermediate English level 📃 Skills: Rust, C, C++, ARM, Linux, I2C, SPI, UART, I2S, Git, Testing 🏢 Description: We’re looking for an experienced Embedded Developer with Rust programming experience to join our embedded development team. You will work on a smart sleep-tracking device in the IoT domain, contributing to a high-impact product with complex technical challenges and strong engineering standards. CUSTOMER Our Customer is a major international company specializing in the development of smart sleep-tracking devices. PROJECT By joining this project, you’ll work with a team of experienced engineers to enhance the capabilities and performance of a smart sleep-tracking device. The device connects to a mobile application and provides users with a wide range of advanced analytical metrics. Responsibilities Develop software components using C and Rust Contribute to the development of technical project documentation and user documentation Participate in conference calls and face-to-face meetings with the Customer and Customer partners Comply with the best engineering practices, technical standards, and quality criteria set forth on the project Report on status and progress according to the project and company demands Spot current deficiencies in the development process, adopted procedures, engineering practices, environment configurations, etc., and suggest improvements Escalate technical issues to the Architect, Team Lead, and Project Manager Improve your qualification within the areas of expertise by attending various training courses, seminars, and/or other educational organizations Requirements Strong proficiency in Rust programming Experience in C/C++ development for embedded systems Experience in developing drivers for hardware interfaces (I2C, SPI, UART, I2S, etc.) Hands-on experience with ARM (Cortex-A) Experience with Linux Experience with code reviews and testing (unit, integration, end-to-end) Proficiency with Git Upper-Intermediate level of English WOULD BE A PLUS Expertise in video transcoding (H.264, H.265, MJPEG) and audio transcoding (AAC, OPUS, PCM, G.711, G.722) Experience with Yocto build system Knowledge of streaming protocols and concepts, including WebRTC, SDP, ICE, RTP Experience with FFmpeg and GStreamer Experience with BLE, Wi-Fi, TCP/IP stack, lwIP Experience with microcontrollers (ESP32) and FreeRTOS Personal Profile Detail-oriented and quality-focused Strong problem-solving skills Ability to work independently and in a team Good communication skills Eager to learn and adapt to new technologies

🏢 Summary: Embedded Engineer role focused on developing IoT-driven embedded solutions with cloud connectivity and modern communication technologies. The position involves designing, debugging, testing, and maintaining embedded software and hardware components while collaborating with engineers and customers. Candidates should have strong experience in C, embedded Linux, communication protocols, and embedded system troubleshooting. 🗂️ Requirements: 4+ years of experience with C, Experience with cloud connectivity applications, Experience with FOTA solutions, Strong knowledge of LTE, Strong knowledge of BLE, Strong knowledge of OpenThread, Strong knowledge of MQTT, Knowledge of cybersecurity, Practical experience with Yocto Linux, Experience debugging embedded systems, Experience using J-Link, Experience using ST-Link, Upper-Intermediate English 📃 Skills: C, LTE, BLE, OpenThread, MQTT, Yocto, Linux, FOTA, J-Link, ST-Link, Docker, GitLab, Jira, Cybersecurity 🏢 Description: We are looking for a skilled Embedded Engineer to join our growing team and support customers in delivering IoT-driven solutions. As our Embedded department continues to expand, we are seeking professionals with strong analytical thinking and solid technical expertise. In this role, you will collaborate with a team of experienced Embedded Engineers to design and implement high-quality solutions that address real-world challenges. This role suggests working with embedded systems, cloud connectivity, and modern communication technologies. If you’re a motivated Embedded Developer ready to take the next step in your career, we would be excited to collaborate with you! Requirements - 4+ years of experience with C - Experience with cloud connectivity applications, including monitoring and Firmware-Over-the-Air (FOTA) solutions - Strong background in communication technologies such as LTE, BLE, OpenThread, MQTT, and cybersecurity - Practical experience with Yocto Linux - Experience in debugging and troubleshooting embedded systems, including software debugging on real devices (using J-Link, ST-Link) and resolving system-level issues - Upper-Intermediate level of English Would be a plus - Hardware knowledge - Experience with Docker, GitLab, and Jira Responsibilities - Design separate components, modules, classes, and devices - Code, debug, document, and maintain portions of software and hardware - Perform different types of testing - Participate in estimation and planning sessions - Contribute to the development of technical project documentation and user documentation - Provide assistance to test engineers and support personnel in solving technical issues of software installation and its operation - Participate in conference calls and face-to-face meetings with the Customer and Customer partners - Comply with the best engineering practices, technical standards, and quality criteria set forth on the project - Report status and progress according to the project and company demands - Spot current deficiencies in the development process, adopted procedures, and engineering practices, environment configurations, etc., and suggest improvements - Escalate technical issues to the Architect, Team Lead, and Project Manager

🏢 Summary: The role involves designing and developing embedded systems for IoT-driven solutions with cloud connectivity and modern communication technologies. The engineer will work on real devices, implementing, debugging, and maintaining embedded software while collaborating with a technical team. The position focuses on delivering high-quality, production-ready embedded and connected solutions. 🗂️ Requirements: 4+ years of experience with C, Experience with cloud connectivity and FOTA solutions, Strong knowledge of LTE, BLE, OpenThread, MQTT, Experience with cybersecurity in embedded systems, Practical experience with Yocto Linux, Hands-on debugging on real devices using J-Link or ST-Link, Experience troubleshooting system-level issues, Upper-Intermediate English level 📃 Skills: C, LTE, BLE, OpenThread, MQTT, Yocto, Linux, FOTA, J-Link, ST-Link, Docker, GitLab, Jira, Cybersecurity 🏢 Description: We are looking for a skilled Embedded Engineer to join our growing team and support customers in delivering IoT-driven solutions. As our Embedded department continues to expand, we are seeking professionals with strong analytical thinking and solid technical expertise. In this role, you will collaborate with a team of experienced Embedded Engineers to design and implement high-quality solutions that address real-world challenges. This role suggests working with embedded systems, cloud connectivity, and modern communication technologies. If you’re a motivated Embedded Developer ready to take the next step in your career, we would be excited to collaborate with you! Requirements 4+ years of experience with C Experience with cloud connectivity applications, including monitoring and Firmware-Over-the-Air (FOTA) solutions Strong background in communication technologies such as LTE, BLE, OpenThread, MQTT, and cybersecurity Practical experience with Yocto Linux Experience in debugging and troubleshooting embedded systems, including software debugging on real devices (using J-Link, ST-Link) and resolving system-level issues Upper-Intermediate level of English Would be a plus Hardware knowledge Experience with Docker, GitLab, and Jira Responsibilities Design separate components, modules, classes, and devices Code, debug, document, and maintain portions of software and hardware Perform different types of testing Participate in estimation and planning sessions Contribute to the development of technical project documentation and user documentation Provide assistance to test engineers and support personnel in solving technical issues of software installation and its operation Participate in conference calls and face-to-face meetings with the Customer and Customer partners Comply with the best engineering practices, technical standards, and quality criteria set forth on the project Report status and progress according to the project and company demands Spot current deficiencies in the development process, adopted procedures, and engineering practices, environment configurations, etc., and suggest improvements Escalate technical issues to the Architect, Team Lead, and Project Manager

🏢 Summary: The role focuses on developing and optimizing firmware for embedded systems with strong emphasis on functional safety and high software quality standards. The position involves working with embedded C++ and RTOS, contributing to architecture, integrating industrial communication protocols, and applying CI/CD practices. It requires collaboration with hardware teams in an agile development environment. 🗂️ Requirements: Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering or related field, Several years of experience in embedded systems development, Strong expertise in embedded C++ and object-oriented programming, Experience with real-time operating systems (RTOS), Experience with industrial communication protocols (CANopen, IO-Link, HART), Knowledge of functional safety standards (IEC 61508), Experience with CI/CD pipelines, Ability to perform static code analysis, unit testing and debugging, Fluent English (spoken and written) 📃 Skills: C, C++, RTOS, CANopen, IOLink, HART, IEC61508, IEC13849, CI/CD, DevOps, Agile, OOP 🏢 Description: WIKA Polska is looking for candidates for the position of: Embedded Developer Responsibilities: analyze and review requirements with focus on functional safety (IEC 61508) develop and optimize firmware for embedded systems using C/C++ with RTOS integration contribute to software architecture with modularity and performance in mind perform static code analysis, unit testing and systematic debugging apply DevOps (CI/CD) and agile principles to improve development workflows and software quality collaborate with hardware and testing teams for integration and commissioning Profile: bachelor's or master's degree in Electrical Engineering, Computer Engineering, or a related field several years of professional experience in the development of embedded systems comprehensive expertise in object-oriented programming using embedded C++ and in working with real-time operating systems (RTOS). experience in the development of industrial bus protocols (e.g. CANopen, IO-Link, HART) understanding of architecture and high demands on software quality normative knowledge of functional safety according to IEC 61508, IEC 13849 is an additional advantage experience working with CI/CD pipelines in a development environment effective communication and teamwork skills good fluency in spoken and written English language that enables to everyday communication and problem solving We offer: job in an international manufacturing company that is one of the leading suppliers of measurement technology products and services stable employment in an organization with over 100 years of history flexible work model – on-site, hybrid professional development and skills enhancement the opportunity for self-fulfillment and taking on new challenges benefits package (including private healthcare and group insurance for you and your family, free access to selected fitness clubs, a free language learning platform for employees and their families, the My Benefit cafeteria, and a Multisport card)

🏢 Summary: Opportunity for an experienced Embedded Systems Architect to lead architectural decisions and full lifecycle development of embedded products using real-time operating systems. The role involves defining system requirements, designing embedded architectures, managing SDLC processes, and collaborating with cross-functional teams. Candidates will work hands-on with C/C++ and RTOS environments to deliver robust, high-performance embedded solutions. 🗂️ Requirements: Bachelor’s degree in Electrical Engineering, Computer Science, or related field, Minimum 5 years of experience in embedded systems architecture and design, Proven experience in embedded software programming in C/C++, Experience with real-time operating systems (RTOS), Strong knowledge of embedded firmware requirements and design specifications, Experience with embedded Linux for real-time systems, Knowledge of software development processes and standards, Ability to generate and manage Technical Requirement Specifications 📃 Skills: C, C++, RTOS, Linux, ARM, x86, OPC-UA, Modbus, SQLite, Ethernet, IP, Agile, SDLC, Virtualization 🏢 Description: Responsibilities: Lead architectural decisions for embedded products, evaluating technical and business trade-offs. Work with Product Management and customers to understand needs and develop requirements early in the conceptual phase. Present and justify recommended systems and architectures to stakeholders. Create diagrams such as functional blocks, data flow, use case, sequence, block diagrams, signal flow, and architectural frameworks using Model-Based Systems Engineering. Design system architecture for embedded systems using real-time operating systems such as real-time Linux or other small-footprint OSs. Manage the full software development life cycle (SDLC) of embedded software. Design software development and deployment using virtual environments across host platforms running virtualization. Work in or lead development teams to accelerate product development. Education and Experience: Bachelor's degree in Electrical Engineering, Computer Science, or related field preferred. Minimum 5 years of experience in embedded systems architecture and design. Proven track record in embedded software programming in C/C++ and experience with real-time OS (RTOS). Qualifications: Strong knowledge of requirements and design specifications for embedded firmware systems, including hardware/software trade-offs and memory/processor performance optimization. Robust knowledge of software development processes and standards, embedded firmware development tools, Linux for real-time systems, Agile methodologies, industrial protocols, IP and Ethernet networking, and industrial process control. Knowledge of OS/kernel concepts, ARM and x86 microprocessors, inter-process communications, embedded web servers and web-based UIs, OPC-UA, Modbus, SQLite, and secure networking. Ability to generate and manage Technical Requirement Specifications. Strong analytical and problem-solving skills. Experience collaborating with cross-functional teams including production, testing, customer support, and supply chain. Excellent written and verbal communication skills with ability to produce clear technical documentation.

🏢 Summary: Rola Senior Backend Developera w projekcie budowy chmurowej platformy Industrial IoT opartej na architekturze mikroserwisowej i event-driven. Praca obejmuje rozwój skalowalnych usług .NET obsługujących tysiące urządzeń, przetwarzanie danych telemetrycznych oraz integracje z systemami przemysłowymi. Projekt wykorzystuje nowoczesny ekosystem .NET, Kubernetes oraz rozwiązania cloud i DevOps. 🗂️ Requirements: Minimum 6 lat doświadczenia w rozwoju backendu, Bardzo dobra znajomość C# i .NET 6/7/8+, Doświadczenie z ASP.NET Core Web API i Entity Framework Core, Doświadczenie w projektowaniu RESTful API, Znajomość architektury mikroserwisowej i systemów rozproszonych, Doświadczenie produkcyjne z PostgreSQL, Znajomość RabbitMQ lub Kafka, Doświadczenie z Docker i Kubernetes, Umiejętność tworzenia testów jednostkowych i integracyjnych, Znajomość OAuth2, OpenID Connect i JWT, Dobra znajomość języka angielskiego 📃 Skills: C#, .NET, ASP.NET, EntityFramework, PostgreSQL, ScyllaDB, RabbitMQ, Kafka, MQTT, Docker, Kubernetes, Helm, Terraform, AzureDevOps, OAuth2, OpenIDConnect, JWT, Keycloak, Prometheus, Grafana, Loki, xUnit, NUnit, Moq, FluentAssertions, Testcontainers, gRPC, CQRS, EventSourcing 🏢 Description: O projekcie Dołącz do zespołu rozwijającego nowoczesną platformę Industrial IoT (IIoT), która wspiera zarządzanie urządzeniami przemysłowymi, operacje flotowe oraz przetwarzanie danych na dużą skalę dla klientów z sektora energetycznego, odnawialnych źródeł energii oraz przemysłu. Jako Senior Backend Developer będziesz uczestniczyć w budowie chmurowej platformy obsługującej tysiące urządzeń IoT, zapewniającej bezpieczne przetwarzanie danych telemetrycznych oraz integrację z systemami przemysłowymi. Projekt wykorzystuje architekturę mikroserwisową, rozwiązania event-driven oraz nowoczesny ekosystem .NET i Kubernetes. To doskonała okazja, aby rozwijać się w obszarze IoT, systemów rozproszonych oraz cyfryzacji infrastruktury energetycznej o krytycznym znaczeniu dla biznesu. Stos technologiczny Backend: .NET 6/7/8, C#, ASP.NET Core, Entity Framework Core Bazy danych: PostgreSQL, ScyllaDB Messaging: RabbitMQ, Kafka, MQTT Cloud & DevOps: Docker, Kubernetes, Helm, Terraform, Azure DevOps Security: Keycloak, OAuth2, OpenID Connect, JWT, PKI/mTLS Monitoring: Prometheus, Grafana, Loki Architektura: Microservices, Event-Driven Architecture, Multi-Tenant SaaS, Zero-Trust Security Twoje zadania Projektowanie i rozwój skalowalnych mikroserwisów w technologii .NET (C#, ASP.NET Core Web API, Entity Framework Core). Tworzenie i rozwijanie REST API dla integracji z systemami zewnętrznymi. Implementacja architektury multi-tenant z bezpieczną separacją danych i kontrolą dostępu. Rozwój usług integracyjnych dla urządzeń Industrial IoT oraz obsługa danych telemetrycznych i konfiguracyjnych. Praca z bazami PostgreSQL oraz rozwiązaniami NoSQL. Wykorzystanie RabbitMQ i Kafka do budowy architektury opartej na zdarzeniach. Wdrażanie najlepszych praktyk bezpieczeństwa, w tym OAuth2, OpenID Connect, JWT, PKI/mTLS oraz zarządzania tożsamością. Zapewnianie wysokiej jakości kodu poprzez testy jednostkowe i integracyjne, code review oraz stosowanie zasad SOLID i Clean Code. Współpraca przy konteneryzacji aplikacji oraz wdrożeniach w środowisku Kubernetes. Rozwój i utrzymanie procesów CI/CD oraz infrastruktury jako kodu (Terraform, Helm). Optymalizacja wydajności systemów obsługujących tysiące urządzeń i duże wolumeny danych. Współpraca z zespołami produktowymi, architektami oraz inżynierami DevOps. Wymagania Minimum 6 lat doświadczenia w rozwoju oprogramowania backendowego. Bardzo dobra znajomość C#, .NET 6/7/8+, ASP.NET Core Web API oraz Entity Framework Core. Doświadczenie w projektowaniu RESTful API. Praktyczna znajomość architektury mikroserwisowej oraz systemów rozproszonych. Doświadczenie produkcyjne z PostgreSQL, w tym projektowaniem schematów, optymalizacją zapytań oraz Entity Framework Core. Znajomość systemów kolejkowych i komunikacji asynchronicznej (RabbitMQ lub Kafka). Doświadczenie z Docker oraz Kubernetes. Umiejętność tworzenia testów jednostkowych i integracyjnych z wykorzystaniem narzędzi takich jak xUnit, NUnit, Moq, FluentAssertions lub Testcontainers. Wiedza z zakresu bezpieczeństwa aplikacji, w tym OAuth2, OpenID Connect, JWT oraz systemów zarządzania tożsamością. Umiejętność pracy zespołowej oraz skutecznej komunikacji. Dobra znajomość języka angielskiego w mowie i piśmie. Mile widziane Doświadczenie z platformami i protokołami IoT (MQTT, AMQP, Modbus, SNMP, IEC 61850). Znajomość Keycloak. Doświadczenie z ScyllaDB lub Cassandra. Znajomość Terraform oraz Helm. Wiedza z zakresu PKI i uwierzytelniania mTLS. Doświadczenie z architekturą multi-tenant. Znajomość narzędzi monitoringu i observability (Prometheus, Grafana, Loki). Doświadczenie z Azure DevOps. Znajomość wzorców Event Sourcing, CQRS oraz komunikacji gRPC. Doświadczenie w projektach związanych z automatyką przemysłową, energetyką, SCADA lub sieciami elektroenergetycznymi. Dlaczego warto do nas dołączyć? Twórz rozwiązania wspierające transformację energetyczną i cyfryzację infrastruktury krytycznej. Pracuj nad platformą IoT obsługującą tysiące urządzeń i ogromne wolumeny danych. Rozwijaj kompetencje w nowoczesnym ekosystemie .NET, Kubernetes oraz Industrial IoT. Rozwiązuj złożone problemy związane z systemami rozproszonymi i wysoką skalowalnością. Współpracuj z doświadczonym, międzynarodowym zespołem specjalistów. Miej realny wpływ na architekturę i kierunek rozwoju produktu. Korzystaj z nowoczesnych praktyk inżynierskich i środowiska wspierającego rozwój zawodowy.

🏢 Summary: Senior Embedded Developer role focused on designing and implementing middleware firmware and security mechanisms for IoT product controllers. The position involves developing low-level embedded software in C, creating bootloaders, integrating secure boot solutions, and automating testing within a SCRUM environment. Hybrid work model with on-site presence required three days per week. 🗂️ Requirements: Minimum 5 years experience as Embedded Developer, Proficiency in C for embedded systems, Experience with security best practices and code/design reviews, Experience developing firmware and low-level embedded software, Ability to work on-site 3 days per week, Fluent English, Fluent Polish, Residence in Poland 📃 Skills: C, C++, Python, MBEDTLS, RSA, CMake, Makefile, GoogleTest, Pytest, SCRUM, JIRA, Confluence 🏢 Description: We are seeking a Senior Embedded Developer to join a project focused on software development for IoT product controllers. By joining us, you become a member of the Embedded Competence Center at Sii - an internal organizational unit bringing together more than 500 specialists across Poland! We are currently working on approximately 100 projects for 50 clients across various industries, including automotive, IoT, telecommunications, and medical. We focus on development and knowledge exchange by organizing Embedded Academies, training, technical mentoring or enabling project changes. Your tasks Worked from the client’s office 3 days per week Designed and implemented middleware firmware for a comprehensive product platform using C Created bootloaders for a diverse range of hardware products Engineered core audio/video processing algorithms for reference applications Integrated Secure Boot mechanisms utilizing MBEDTLS, RSA, and asymmetric encryption Applied advanced security techniques to mitigate side-channel attacks Built unit tests using C++, Google Test framework Automated testing workflows with Python and Pytest Maintained and enhanced build systems based on Makefile and CMake Authored technical proposals and documentation in Confluence Collaborated with cross-functional product teams to deliver rapid support Operated in a dynamic SCRUM environment with 3-week sprints and regular releases (JIRA) Requirements Ability to work from the client's office 3 days a week (hybrid model) Min. 5 years of experience as an Embedded Developer Proficiency in C for embedded systems development Experience in reviewing complex systems design/code for security best practices and compliance with industry standards Fluency in English Excellent written and verbal communication skills with the ability to convey technical information to a wide variety of audiences Strong creative problem-solving abilities and decision-making skills Fluent in Polish required Residing in Poland required Nice to have Experience in creating bootloaders for various hardware architectures Knowledge and experience with cryptography and computer security Strong knowledge of RISC-V architecture and GCC compiler What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!