Senior Software Engineer (.NET & Python)

🏢 Summary: The role focuses on developing embedded software and firmware for advanced industrial automation products used in real-time environments. You will work in a Scrum team to design, implement, test, and deliver embedded solutions, collaborating closely with cross-functional stakeholders. The position is fully remote within Poland and offered on a B2B contract. 🗂️ Requirements: Bachelor’s degree in Electronics, Instrumentation Engineering or related field, Minimum 6 years of experience in embedded software development, Strong programming experience in Embedded C++, Experience with industrial communication protocols (Modbus, Profibus or EtherNet/IP), Experience in designing and maintaining real-time embedded systems, Experience in developing and maintaining automated tests, Knowledge of Ethernet and TCP/IP networking, Ability to work in a Scrum/Agile environment 📃 Skills: C++, Embedded, Firmware, Modbus, Profibus, EtherNet/IP, Ethernet, TCP/IP, Wireshark, Scrum, Agile, Testing 🏢 Description: Join a global technology company that designs and develops advanced solutions for industrial automation and control. The team builds  embedded products used in demanding, real‑time environments all over the world. If you enjoy solving complex technical problems, working with experienced engineers, and growing your skills in embedded software and firmware development, this role is a great fit. You can work from any place in Poland. The start is planned ASAP. Key responsibilities Work in a Scrum team to plan, organize and do the development work, taking part in all team meetings. Take care of your daily tasks with little supervision and handle new tasks based on general directions. Use your skills to help define, design, code, test and deliver embedded software and firmware features. Work with your team to gather needs, design solutions, build, test and deliver the product. Show the most important new features and parts of the product to stakeholders. Work closely with the Product Owner, Scrum Master, Release Train Engineer, Product Manager and others to agree on tools, processes and ways of working. Notice problems that stop the team from finishing work and help to solve them or raise them to the right people. Ideal candidate profile Bachelor’s degree in Electronics or Instrumentation Engineering (or a closely related field). At least 6 years of experience in embedded software or related development roles. Strong programming experience in Embedded C++. Experience with industrial communication protocols such as Modbus, Profibus, or EtherNet/IP. Ability to design, build, and maintain firmware for real‑time and embedded systems. Willingness to work in a self‑organizing Scrum team and contribute to Agile practices. Experience in developing and maintaining automated tests. Good communication skills and the ability to work well in a team. Experience with networking technologies such as Ethernet and TCP/IP, and tools like Wireshark. Conditions Form of cooperation: B2B contract Start: ASAP Salary: 130-150 PLN net/h Model of work: 100% remote from any place in Poland Benefits: private medical care, life insurance, Multisport card Recruitment steps Phone call with Recruiter (20 - 30 min.) Technical verification call by the client Interview with the client Feedback and decision

🏢 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: 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: The role focuses on analyzing, developing, integrating, and maintaining software solutions that support engineering productivity and agile processes within a large-scale environment. It involves DevOps practices, CI/CD implementation, and system integration of software and hardware. The position requires validating, testing, and documenting solutions to ensure consistency and performance. 🗂️ Requirements: 5+ years of experience in DevOps or related role, Practical understanding of engineering processes, Experience with CI/CD systems (Jenkins, GitHub, GitLab), Basic programming skills in scripting or REST, Ability to perform software and hardware system integration, Experience in software development, validation, and testing 📃 Skills: DevOps, CI/CD, Jenkins, GitHub, GitLab, REST, Scripting, Groovy, Integration, Testing 🏢 Description: The IT Product Enablement Team is supporting Global Software and Hardware Engineering consisting of over 8000 engineers from various disciplines to enhance their productivity and innovation by providing services that enable them to work more efficiently and in an agile work process. In addition to professional support, we focus on developing new solutions to integrate into our tools ecosystemI. The product Enablement team has a critical role in driving extraordinary business results Through a strong partnership with other areas of our business, we bring innovative thinking to every conversation and deliver with integrity. We look for people who bring great ideas and who make our partners’ ideas better. Intellectually curious advisors (not order takers) who focus on outcomes to creatively solve business problems. People who not only embrace change, but who accelerate it. Job Description Analyzes, develops, designs, and maintains software for the organization’s products and systems. Performs system integration of software and hardware to maintain throughput and program consistency. Develops, validates, and tests: structures and user documentation. Basic Requirements 5+ years of experience in a DevOps or related role. Practical understanding of engineering processes Understanding CI/CD systems (Jenkins, GitHub, GitLab, etc) Basic programming skills based on scripting or REST, Groove would be an additional asset Good verbal and written communication skills

🏢 Summary: The offer is for a Test Automation Engineer role focused on ensuring data quality and improving automation processes within a complex enterprise environment. The position involves building and maintaining Python and Robot Framework-based test automation frameworks and integrating them with CI/CD pipelines. It requires strong system-level analysis skills and active contribution to software quality improvements. 🗂️ Requirements: Minimum 5 years of commercial experience with Python, Minimum 3 years of experience with Robot Framework, Experience building and maintaining test automation frameworks, Strong knowledge of CI/CD and Jenkins, Practical experience with databases, Strong Linux skills, Bash scripting skills, Experience with Git and collaborative repositories, Experience with test management tools, Experience working in Agile environments, Very good English communication skills 📃 Skills: Python, RobotFramework, CI/CD, Jenkins, SQL, Linux, Bash, Git, qTest, Zephyr, Docker, Kafka, IBMMQ 🏢 Description: About the project You will join a team responsible for the Data Quality and Platform Engineering area within a large international technology environment. The project focuses on ensuring data quality and automating testing processes in a complex systems architecture. We are looking for a candidate with strong development skills and hands-on experience in building and maintaining test automation frameworks based on Python and Robot Framework. This role is ideal for someone who understands CI/CD processes, can analyze system-level issues, and actively contributes to improving software quality. Responsibilities Designing, developing, and maintaining test automation frameworks Creating automation scripts using Python and Robot Framework Developing custom keywords and dedicated test libraries Integrating automated tests with CI/CD pipelines Analyzing requirements and preparing test scenarios Preparing test data and validating test results Analyzing logs and debugging issues at the system level Reporting defects and analyzing test execution results Collaborating with developers, analysts, and product teams Improving QA and automation processes Requirements Must have Minimum 5 years of commercial development experience with Python Minimum 3 years of experience with Robot Framework Experience building and maintaining test automation frameworks Strong knowledge of CI/CD and Jenkins Practical experience working with databases Strong Linux and bash scripting skills Experience with Git and collaborative code repositories Experience with test management tools (e.g. qTest, Zephyr) Experience working in Agile environments Very good English communication skills Nice to have Docker Kafka / IBM MQ Understanding of DevOps practices We are looking for someone who: Has strong analytical and problem-solving skills Is confident challenging inefficient solutions and proposing improvements Works effectively in a collaborative environment Has experience working in complex enterprise systems Can quickly onboard into an existing project What we offer Long-term cooperation on a stable project Opportunity to work with a modern technology stack Real impact on quality processes and data reliability Collaboration with experienced international teams An environment focused on development and automation

🏢 Summary: Development of dedicated software solutions to automate and optimize production and administrative processes, including building new applications and enhancing existing systems. The role involves designing databases and interfaces, implementing microservices-based solutions, and ensuring code quality through reviews and testing. Close collaboration with business stakeholders and participation in end-to-end software delivery are required. 🗂️ Requirements: Proficiency in C#, Proficiency in MS SQL, Knowledge of WPF, Knowledge of WinForms, Knowledge of ASP.NET, Knowledge of nUnit, Understanding of microservices architecture, Knowledge of CI/CD processes, Knowledge of at least one reporting platform: MSTR, Qlik or PowerBI, Knowledge of Microsoft Office365, Knowledge of software design patterns and best practices 📃 Skills: C#, MSSQL, WPF, WinForms, ASP.NET, nUnit, Microservices, MSTR, Qlik, PowerBI, CI/CD, Office365 🏢 Description: Osoba na tym stanowisku będzie odpowiedzialna za tworzenie nowego i rozwijanie istniejącego oprogramowania dostosowanego do potrzeb klientów w celu automatyzacji i usprawnienia procesów produkcyjnych. Jakie zadania na Ciebie czekają: Budowa dedykowanego oprogramowania i rozwiązań na zlecenie biznesu Automatyzacja rozwiązań oraz digitalizacja procesów administracyjnych i produkcyjnych Analiza dotychczasowych rozwiązań i proponowanie ich automatyzacji Projektowanie i budowa interfejsów Projektowanie struktur baz danych Dokumentacja rozwiązań Audyt kodu wytworzonych fragmentów oprogramowania (code review); Testowanie ręczne – sprawdzenie funkcjonalności z punktu widzenia użytkownika- sprawdzanie zaimplentowanych funkcjonalności Cykliczne spotkania zespołu deweloperów PxCW i omawianie postępów prac Czego od Ciebie oczekujemy: Samodzielność w tworzeniu rozwiązań programistycznych Samodzielność w kontakcie z klientem Znajomość wzorców oprogramowania i najlepszych praktyk Znajomość C#, MS SQL Znajomość WPF, WinForms, ASP.NET oraz nUnit Znajomość architektury microserwisów Znajomość jednej z platform raportowych MSTR, Qlik, PowerBI Znajomość procesów CD/CI Znajomość rozwiązań Microsoft Office365 Znajomość języka angielskiego na poziomie komunikatywnym Oferujemy: Pracę pełną wyzwań w innowacyjnym zakładzie produkcyjnym: Stabilną pracę w międzynarodowej organizacji Udział w ciekawych projektach Możliwości rozwoju i szeroka oferta szkoleniowa m.in . dofinansowanie kursów językowych Prywatna opieka medyczna Karta multisport Pożyczki mieszkaniowe i kasa zapomogowo-pożyczkowa Nagroda roczna Elastyczny czas pracy i możliwość pracy zdalnej po pełnym okresie wdrożenia Dofinansowanie do dojazdów do pracy powyżej 30 km od PxCW Premia za polecenie pracownika

🏢 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: Remote C# Developer role focused on low-level development, hardware integration, and firmware communication for AI-driven investment technology solutions. The position involves building machine-oriented software systems in a distributed Agile environment with CI/CD practices. Candidates will collaborate on performance, reliability, and embedded system integration projects. 🗂️ Requirements: Minimum 5 years of experience with C#, Experience with low-level development, Experience with hardware interaction, Knowledge of firmware interfacing, Knowledge of control layer communication, Experience with Agile methodologies, Experience with CI/CD processes, Experience with GitHub or GitLab, English proficiency at B2 level 📃 Skills: C#, Firmware, CI/CD, GitHub, GitLab, Agile, SAFe 🏢 Description: We are looking for an experienced C# Developer with a strong background in low-level development and hardware integration to join Sii and contribute to an innovative project delivered for our client — an international company operating in the AI-driven investment technology domain. You’ll work in a fully remote, startup-like environment, building solutions that combine software engineering with machine-level interaction and firmware communication. This is a great opportunity to grow within distributed teams and modern engineering practices, including CI/CD and Agile delivery models. At Sii, we support continuous development and offer access to diverse projects aligned with your expertise. If you like getting close to the hardware, enjoy solving complex integration challenges, and want to see how your code interacts with real-world systems — this project is for you. Apply now and build solutions where software meets machines. Not a 100% match? Let’s talk anyway — we’ll match you with the right opportunity. Your tasks Develop and maintain C# applications interacting with hardware components and low-level systems Design and implement interfaces for communication with machine control layers and embedded components Integrate software solutions with firmware and ensure reliable data exchange between layers Collaborate with cross-functional, distributed teams in an Agile environment using CI/CD pipelines Participate in code reviews, testing, and continuous improvement of system performance and reliability Requirements Minimum 5 years of experience as a C# Developer or in a similar role Hands-on experience with low-level or machine-oriented development and hardware interaction Strong knowledge of firmware interfacing and control layer communication Practical experience with Agile methodologies and CI/CD processes (GitHub/GitLab) English proficiency at min. B2 level (comfortable working in an international environment) Nice-to-have requirements Experience working in a SAFe environment

🏢 Summary: Offer for a developer to create and enhance embedded software for IoT and wearable devices, focusing on Linux-based system components, network and wireless communication, and hardware-software integration. The role involves developing distributed systems, designing architecture, and maintaining technical documentation and testing strategies. 🗂️ Requirements: Experience with Linux/Unix systems, Proficiency in Python, Proficiency in JavaScript, Knowledge of networking technologies, Knowledge of wireless technologies, Understanding of communication protocols, Experience in embedded systems development, Ability to integrate hardware with software 📃 Skills: Linux, Unix, Python, JavaScript, IoT, Embedded, Networking, Wireless, Protocols, RaspberryPi 🏢 Description: Dołącz do naszego zespołu i pracuj nad tworzeniem oraz rozwojem oprogramowania dla systemów wbudowanych i urządzeń IoT, w tym urządzeń wearable. Na tym stanowisku będziesz rozwijać komponenty systemowe działające w środowisku Linux, odpowiedzialne za komunikację sieciową i bezprzewodową, integrację sprzętu z oprogramowaniem oraz przetwarzanie danych pochodzących z urządzeń końcowych w rozproszonym systemie. Co będziesz robić: Tworzyć i rozwijać oprogramowanie dla sprzętu sieciowego oraz systemów transmisji bezprzewodowej. Programować i rozwijać systemy embedded, w tym urządzenia typu wearable. Realizować powierzone zadania zgodnie z ustalonym harmonogramem. Współpracować z zespołem developerów przy realizacji projektów. Brać udział w projektowaniu architektury systemu oraz w przeglądach kodu. Tworzyć i utrzymywać przejrzystą dokumentację techniczną oraz strategie testów. Wymagania: Doświadczenie w pracy z systemami Linux/Unix. Umiejętność programowania w Python i JavaScript. Znajomość technologii sieciowych i bezprzewodowych oraz protokołów komunikacyjnych. Umiejętności analitycznego i algorytmicznego myślenia. Samodzielność w rozwiązywaniu złożonych problemów technicznych. Dobra organizacja pracy i zarządzanie czasem pod presją. Umiejętność pracy zespołowej i efektywnej komunikacji. Chęć rozwoju i poznawania nowych narzędzi oraz technologii. Mile widziane: Doświadczenie w pracy z Raspberry Pi lub podobnymi platformami, w tym programowanie urządzeń peryferyjnych. Doświadczenie w tworzeniu oprogramowania na urządzenia mobilne. Co oferujemy: Pracę w obszarze rozwijającej się technologii. Pracę w formie stacjonarnej z biura w Zielonej Górze. Wynagrodzenie dostosowane do Twoich umiejętności. Brak korporacyjnej atmosfery. Możliwość rozwoju zawodowego w zależności od potrzeb w obszarze nowych technologii. Możliwość skorzystania z oferty ubezpieczenia na życie. Niezbędne narzędzia do wykonywania pracy jak komputer, telefon.

🏢 Summary: Development of embedded and IoT software components running on Linux, focused on networking and wireless communication for distributed systems and wearable devices. The role involves building and enhancing system-level software, integrating hardware with software, and contributing to system architecture and testing strategies. Work is performed on-site with a strong focus on modern connected technologies. 🗂️ Requirements: Experience with Linux/Unix systems, Proficiency in Python, Proficiency in JavaScript, Knowledge of networking technologies, Knowledge of wireless technologies, Knowledge of communication protocols 📃 Skills: Linux, Unix, Python, JavaScript, Networking, Wireless, Protocols, Embedded, IoT 🏢 Description: Dołącz do naszego zespołu i pracuj nad tworzeniem oraz rozwojem oprogramowania dla systemów wbudowanych i urządzeń IoT, w tym urządzeń wearable. Na tym stanowisku będziesz rozwijać komponenty systemowe działające w środowisku Linux, odpowiedzialne za komunikację sieciową i bezprzewodową, integrację sprzętu z oprogramowaniem oraz przetwarzanie danych pochodzących z urządzeń końcowych w rozproszonym systemie. Co będziesz robić: Tworzyć i rozwijać oprogramowanie dla sprzętu sieciowego oraz systemów transmisji bezprzewodowej. Programować i rozwijać systemy embedded, w tym urządzenia typu wearable. Realizować powierzone zadania zgodnie z ustalonym harmonogramem. Współpracować z zespołem developerów przy realizacji projektów. Brać udział w projektowaniu architektury systemu oraz w przeglądach kodu. Tworzyć i utrzymywać przejrzystą dokumentację techniczną oraz strategie testów. Wymagania: Doświadczenie w pracy z systemami Linux/Unix. Umiejętność programowania w Python i JavaScript. Znajomość technologii sieciowych i bezprzewodowych oraz protokołów komunikacyjnych. Umiejętności analitycznego i algorytmicznego myślenia. Samodzielność w rozwiązywaniu złożonych problemów technicznych. Dobra organizacja pracy i zarządzanie czasem pod presją. Umiejętność pracy zespołowej i efektywnej komunikacji. Chęć rozwoju i poznawania nowych narzędzi oraz technologii. Mile widziane: Doświadczenie w pracy z Raspberry Pi lub podobnymi platformami, w tym programowanie urządzeń peryferyjnych. Doświadczenie w tworzeniu oprogramowania na urządzenia mobilne. Co oferujemy: Pracę w obszarze rozwijającej się technologii. Pracę w formie stacjonarnej z biura w Zielonej Górze. Wynagrodzenie dostosowane do Twoich umiejętności. Brak korporacyjnej atmosfery. Możliwość rozwoju zawodowego w zależności od potrzeb w obszarze nowych technologii. Możliwość skorzystania z oferty ubezpieczenia na życie. Niezbędne narzędzia do wykonywania pracy jak komputer, telefon.