Senior/Lead Qt/QML Software Engineer

🏢 Summary: Contract role for an experienced QML Developer to design and develop advanced HMI applications using Qt and C++ for projects such as in-vehicle infotainment and Industry 4.0 systems. The work focuses on cross-platform QML development and high-quality GUI implementation in collaboration with an HMI-focused technical team. 🗂️ Requirements: Commercial experience in QML cross-platform development (minimum 1 year), Strong C++ programming skills (modern C++), Experience in developing Qt-based GUI applications, High level of independence in software development, Knowledge of software architecture and design patterns, Experience with version control and code review tools, Experience with integration tools, Communicative English (written and spoken) 📃 Skills: QML, Qt, C++, GUI, HMI, Git, CI, Agile, OpenGL, 3D 🏢 Description: We are expanding our freelance pool and are looking for Qt/QML Developers interested in upcoming projects. ✅ Project-based contracts ✅ Part-time or full-time options ✅ Remote work You’ll join an international team focused on designing cutting-edge HMI solutions for embedded systems across multiple industries. Hourly salary: 140 - 200 PLN Qualifications ✅High level of autonomy in software development and decision-making ✅Proven commercial experience with QML and Qt for cross-platform GUI applications ✅Strong proficiency in modern C++ ✅Solid understanding of software architecture principles and design patterns ✅Experience working with collaborative development practices (version control, code reviews, CI/CD) ✅Fluent English communication skills Nice to have ✅Experience working in Agile environments and on Proof of Concept initiatives ✅Contributions to open-source projects ✅Experience with 3D graphics or visualization Why is it worth joining the Spyrosoft team?🔥 ➡️We are a certified Premium partner of The Qt Company. Our collaboration is part of the Qt Service Partner program and aims to create an ecosystem to facilitate the development of new Qt solutions. You can help us do that! ➡️Together, we will create Qt applications for everything from smart home devices through car solutions to surgeon support software. ➡️We are HMI enthusiasts, always eager to share our experience and knowledge. Meet our expert Przemyslaw Nogaj, our Head of HMI Technology, firmly believes in the cultural implications of user-centred design in technology and in building tomorrow’s digital society. During his career, he has led teams developing cutting-edge products across various software and hardware platforms. His experience includes also working with OEMs and TIER1s on next-gen production HMI platforms. Wavey, our automotive HMI design project demo, was presented at CES in Las Vegas! In-vehicle infotainment demo is designed for Android Automotive and enables the operation of the IVI using gestures on a small touch screen located in the centre console of a car. ➡️ Here we describe Wavey in more detail: Automotive HMI design: Wavey project demo at CES 2023 Spyrosoft Synergy is one of the latest additions to the Spyrosoft group, with focus on software development and technological consulting services. We specialise in robotics, embedded software and cloud solutions for the automotive, industrial automation, consumer electronics and medical sectors in the EU, UK and the US.

🏢 Summary: Role focused on designing and developing high-performance HMI solutions using Qt/QML and C++, with strong integration of AI tools to enhance productivity and engineering workflows. The position combines hands-on UI development, architectural design, and AI-driven automation for infotainment and Industry 4.0 systems. It also includes mentoring teams in effective AI adoption and building scalable, modern interfaces. 🗂️ Requirements: 5+ years professional software development experience, Strong C++ knowledge with modern standards, Minimum 1 year commercial QML cross-platform development, Proven experience developing Qt-based GUI applications, Practical experience with AI agents and LLMs for code generation and debugging, Ability to design AI agent workflows and tool chains, Experience generating and refactoring code using AI assistants, Strong understanding of design patterns and clean code principles, Experience analyzing logs and optimizing performance in UI applications 📃 Skills: C++, Qt, QML, AI, LLMs, Prompting, Copilot, Cursor, HMI, UI, UX, Debugging, Refactoring, Architecture, DesignPatterns 🏢 Description: Hi! We are a Spyrosoft Synergy team specializing in HMI development . We are looking for Qt/QML developers with AI Productivity Focus to work on designing and developing cutting-edge human-machine interfaces for in-vehicle infotainment systems, industry 4.0 solutions, and more. 🦾 Your Role & AI Focus HMI Leadership: Designing and developing high-performance UIs using Qt/QML and C++. AI-Driven Workflow: Using AI agents and tools to conduct rapid technical research, automate repetitive coding tasks, and optimize the development lifecycle. Smart Design: Leveraging AI to assist in UI/UX prototyping and "AI-first" problem-solving. Mentorship: Guiding the team on how to effectively (and safely) integrate AI tools into their daily work. Client Collaboration: Gathering requirements and translating them into modern, scalable architectures. 👷‍♂️ Qualifications: 5+ years of professional experience in software development. Strong C++ skills (including modern standards). Commercial experience in QML cross-platform development (min. 1 year). Proven track record in developing Qt-based GUI applications. AI Tooling Fluency: Practical experience in using AI agents, LLMs, and prompting for research, code generation, and debugging. Architectural Mindset: Deep understanding of design patterns and clean code. English C1: High proficiency in written and spoken English for seamless client communication. 🦾 AI Tooling Fluency & Augmented Engineering We are looking for an engineer who treats AI as a strategic partner in the software development process. Your expertise should include: Agentic Workflows & Tool Chaining: Ability to design and build custom AI agent chains to automate complex engineering workflows, from multi-step technical research to generating validated architectural blueprints. Advanced Research & Technical Analysis: Proficiency in using LLMs for rapid analysis of complex Qt/C++ documentation and technical specifications. AI-Driven Code Generation: Hands-on experience in generating QML boilerplate, complex UI components, and C++ business logic using modern AI assistants (e.g., Cursor, GitHub Copilot). Intelligent Debugging & Refactoring: Leveraging AI to analyze logs, detect memory leaks, and suggest performance optimizations for high-stakes HMI interfaces. Strategic Prompt Engineering: Mastery of high-context prompting to elicit secure, production-ready code that aligns with established architectural patterns.

🏢 Summary: Freelance Senior/Lead Embedded HMI Developer role focused on designing and architecting embedded GUI solutions for industry-grade devices in a project-based, remote model. The position involves hands-on development, rendering optimization, hardware integration, and technical leadership within an international HMI team. You will shape HMI architecture and deliver high-performance interfaces on constrained embedded systems. 🗂️ Requirements: 5+ years embedded software development experience, Strong expertise in Embedded HMI development, Advanced C++ (modern C++), Hands-on experience with microcontrollers (STM, NXP, Espressif, Infineon, Renesas), Commercial experience with at least one embedded HMI framework (Qt for MCUs, LVGL, TouchGFX, Slint, Crank, Embedded Wizard), Knowledge of rendering pipeline optimization on embedded systems, Solid understanding of software architecture and design patterns, Experience with version control and CI/integration tools, Communicative English 📃 Skills: C++, Qt, QML, LVGL, TouchGFX, Slint, Crank, EmbeddedWizard, EmbeddedLinux, MCU, STM, NXP, Espressif, Infineon, Renesas, FreeRTOS, Zephyr, RTOS, CI, Git 🏢 Description: We are expanding our freelance pool and are looking for Embedded HMI developers interested in upcoming projects . ✅ Project-based contracts ✅ Part-time or full-time options ✅ Remote work You’ll join an international team focused on designing cutting-edge HMI solutions for embedded systems across multiple industries. Hourly salary: 140 - 200 PLN About the Role As a Senior / Lead Embedded HMI Developer, you will play a key role in designing, developing, and shaping the architecture of embedded HMI solutions. This role goes beyond pure implementation - you will: Influence technical and architectural decisions Support and mentor other developers (lead level) Act as a technical point of contact in HMI-related areas You will be part of a dedicated HMI Synergy team, consisting of embedded and UI enthusiasts who actively share knowledge and best practices. Responsibilities: Design and develop embedded HMI / GUI applications Define and influence HMI architecture and design patterns Develop graphical interfaces using: Qt / QML (Embedded Linux) Qt for MCUs, LVGL, or other MCU-focused frameworks Optimize rendering pipelines on constrained embedded systems Integrate UI layers with firmware, drivers, and hardware Analyze performance bottlenecks (CPU, memory, rendering, FPS) Support code reviews, technical decision-making, and mentoring (Lead role) Collaborate with embedded, firmware, hardware, and UX teams Participate in Proof of Concepts (PoCs) and early project phases Core Requirements: 5+ years of experience in embedded software development Strong expertise in Embedded HMI development Excellent C++ skills, including modern C++ Hands-on experience with microcontroller platforms such as: STM NXP Espressif Infineon Renesas Commercial experience with at least one embedded HMI framework: Qt for MCUs LVGL TouchGFX Slint Crank Embedded Wizard Knowledge of rendering pipeline optimization in embedded systems Solid understanding of architecture and design patterns Experience with version control, code reviews, and CI/integration tools Communicative English (spoken and written) Nice to Have: Experience with RTOS environments: FreeRTOS Zephyr other RTOS solutions Understanding of Agile methodologies Experience working on Proof of Concept (PoC) projects Familiarity with hardware schematics and low-level debugging Exposure to UX/UI design principles for embedded systems Experienced in using AI tools in day-to-day workflow 🔥 Why join our HMI team? ➡️ You will work on diverse, industry-grade embedded products (e.g. audio processing, industrial devices, smart electronics) ➡️ You get real influence on system architecture and technology choices ➡️ You’ll collaborate with HMI and embedded experts who are passionate about UI on constrained systems ➡️ We are a Certified Premium Partner of The Qt Company and part of the Qt Service Partner Program, actively contributing to the Qt ecosystem

🏢 Summary: Development and maintenance of a C++/Qt desktop application supporting airport operations systems, including integration with external hardware and real-time data sources. The role involves contributing to system architecture, ensuring high code quality, and collaborating with international teams. The position requires strong expertise in real-time systems and software engineering best practices. 🗂️ Requirements: Minimum 5 years of commercial experience in C++, Commercial experience with Qt framework, Experience with real-time systems, Strong knowledge of software engineering best practices, Understanding of design patterns and SOLID principles, Experience with software testing, Ability to design and contribute to system architecture, Fluent English (written and spoken) 📃 Skills: C++, Qt, OOP, SOLID, Testing, Git, Real-time, Desktop, Integration 🏢 Description: Requirements: Minimum 5 years of commercial experience in C++ programming and working with the Qt framework. Strong knowledge of C++ and hands-on experience with Qt. Experience working with real-time systems. Solid understanding of software engineering best practices (design patterns, SOLID principles, testing). Ability to work independently and take responsibility for functionalities. Proactivity, engagement, and excellent communication skills. Experience in a team leader role is a plus. Fluent English (both written and spoken) is required for working in an international team. Responsibilities: Development and maintenance of a desktop application in C++/Qt for systems supporting airport operations. Integration with external systems such as radars, GPS, cameras, and sensors. Collaboration with international teams (development, QA, analysts). Ensuring code quality, testability, and stability of the solution. Contributing to the design and architecture of the system. We offer: Flexible working hours Hybrid work options (Office in Wrocław) Medical care program MultiSport Integrations events A contract of employment or self-employment, depending on You

🏢 Summary: Embedded C++ developer role focused on IoT/cloud-connected heating system software using Embedded Linux, Qt, and SomeIP communication. The position involves developing HMI and control features, testing embedded applications, and collaborating in agile international teams within a SAFe environment. Hybrid work model with quarterly travel to Germany. 🗂️ Requirements: Strong C++, Object-oriented programming, Qt, Embedded Linux, SomeIP, GoogleTest, RobotFramework, Agile, Scrum, English, German 📃 Skills: C++, Qt, Linux, SomeIP, GoogleTest, RobotFramework, Python, IoT, Simulink, CI/CD, Scrum, SAFe 🏢 Description: Work in an international team. The R&D project focuses on communication and integration of devices with the cloud/IoT. Our expectations Strong C++ programming (object – oriented) with QT practical knowledge Embedded Linux development SomeIP communication protocols Testing frameworks: Google Test, Robot Framework Agile development experience, Scrum English or German proficiency Hybrid role (70% remote / 30% onsite in Katowice). Requires quarterly business travel to Germany to participate in planning. Welcome Skills IoT concepts and heating systems knowledge/experience (esp. heat pumps) Model-base development knowledge (Simulink) nice to have CI/CD Know how Key tasks Develop and maintain C++ based embedded software (Embedded Linux) for heating system control Implement graphical user interfaces using QT library Integrate with system architecture via SomeIP communication Perform unit testing (Google Test), static code analysis and support system – level test (Robot Framework and Python) Work and collaborate in agile teams to meet sprint goals The candidate will work in the SCI Stream, currently 6 agile teams focused on SystemControl and HMI software features for products like heat pumps, boilers, and systemsolutions. The mission is to deliver customer-centric solutions through fast integration,continuous testing, and impactful demonstrations. Tasks include, for example, developingheating/cooling features and commissioning functionalities, enabling Smart Homeintegration and supporting system products & accessories. The teams are working as part ofan overall Solution Train within the SAFe framework. The role involves strong collaborationwithin the software development team and across the SCI stream.

🏢 Summary: Port and integrate Qt for MCUs on the SAMA7D65 Curiosity Development Board with a 10.1-inch LVDS display, enabling Qt-based HMI applications to run on a bare-metal Harmony framework. The role focuses on hardware bring-up, embedded graphics stack configuration, and performance optimization in a PoC-driven environment. Responsibilities include display integration, GPU acceleration setup, and resolving rendering constraints on a microcontroller platform. 🗂️ Requirements: Hands-on experience with Qt for MCUs, Strong Embedded C skills, Strong C++ skills, Experience with microcontroller platforms, Hardware bring-up and display integration experience, Embedded graphics stack configuration and optimization, Integration with display controllers and GPU acceleration, Ability to work in PoC mode with rapid iterations, English level B2 or higher 📃 Skills: Qt, MCUs, C, C++, SAMA7D65, Harmony, BareMetal, XLCDC, LVDS, GPU, Microcontrollers, Embedded, Graphics 🏢 Description: Tech stack: Qt for MCUs C / C++ Requirements: Hands-on experience with Qt for MCU (UI architecture, performance constraints, embedded graphics) Embedded C/C++ skills and experience with microcontroller platforms Hardware integration experience (display bring-up, power/battery-related integration) Ability to work in PoC mode: rapid iterations, clear trade-offs, documented assumptions English communication level: B2/C1 Project description: The goal of the project is to port and integrate the Qt for MCUs software framework on the SAMA7D65 Curiosity Development Board , connected to a New Vision TM2218-02 10.1-inch 1280x800 LVDS display . The scope covers comprehensive system integration using the Harmony bare-metal framework , enabling future Qt-based HMI applications to run on the board and display correctly on the target screen. Main responsibilities: Porting and integrating Qt for MCUs on a microcontroller-based platform Performing hardware bring-up, including display integration Configuring and optimizing the embedded graphics stack Integrating Qt with display controller (XLCDC) and GPU acceleration Identifying and resolving rendering and performance constraints Working in PoC mode: rapid iterations, documenting assumptions and technical trade-offs Collaborating with embedded and system engineering teams

🏢 Summary: Senior/Lead Unity Developer role focused on building high-quality in-vehicle infotainment (IVI) and HMI systems for automotive products. The position involves developing visually polished, real-time interfaces in Unity and optimizing performance for embedded hardware environments. 🗂️ Requirements: Strong experience with Unity, Proficiency in C#, Experience in Automotive or IVI projects, Experience developing HMI systems, Knowledge of Unity performance optimization, Experience optimizing applications for embedded or low-performance hardware, Understanding of real-time systems 📃 Skills: Unity, C#, IVI, HMI, Automotive, Embedded, Linux, Android, Optimization, Realtime 🏢 Description: 🚗Do you enjoy building visually polished Unity applications and want to work on real automotive products ? We’re looking for Senior / Lead Unity Developers to join an Automotive IVI project focused on high-quality visuals and performance on embedded hardware. 🎯What you’ll be working on Developing in-vehicle infotainment (IVI) and HMI systems in Unity Creating smooth, visually appealing, real-time interfaces Optimizing Unity applications for embedded and low-performance hardware Working with automotive data and real-time systems Collaborating with an international, agile team 🛠What we’re looking for Strong experience with Unity and C# Background in Automotive, IVI Good eye for visual quality and details Understanding of performance optimization in Unity Comfortable working in English and in a distributed team ⚡Nice to have Experience with embedded systems Knowledge of Linux Embedded Systems or Android Automotive 💡Why join? Real impact on production automotive systems Focus on quality visuals and performance , not just features Flexible location and remote-friendly setup

🏢 Summary: Senior/Lead Unity Developer role focused on building high-quality in-vehicle infotainment (IVI) and HMI systems for automotive production environments. The position emphasizes creating visually polished, real-time interfaces optimized for embedded and low-performance hardware. Work is done in an international agile team with real impact on automotive products. 🗂️ Requirements: Strong experience with Unity, Strong experience with C#, Experience in Automotive or IVI projects, Experience with performance optimization in Unity, Ability to develop real-time 3D interfaces, Professional English proficiency, Experience working in distributed teams 📃 Skills: Unity, C#, IVI, HMI, Automotive, Optimization, Embedded, Linux, Android 🏢 Description: 🚗Do you enjoy building visually polished Unity applications and want to work on real automotive products ? We’re looking for Senior / Lead Unity Developers to join an Automotive IVI project focused on high-quality visuals and performance on embedded hardware. 🎯What you’ll be working on Developing in-vehicle infotainment (IVI) and HMI systems in Unity Creating smooth, visually appealing, real-time interfaces Optimizing Unity applications for embedded and low-performance hardware Working with automotive data and real-time systems Collaborating with an international, agile team 🛠What we’re looking for Strong experience with Unity and C# Background in Automotive, IVI Good eye for visual quality and details Understanding of performance optimization in Unity Comfortable working in English and in a distributed team ⚡Nice to have Experience with embedded systems Knowledge of Linux Embedded Systems or Android Automotive 💡Why join? Real impact on production automotive systems Focus on quality visuals and performance , not just features Flexible location and remote-friendly setup

🏢 Summary: Development of safety-critical embedded software for the medical industry using modern C++. The role focuses on building reliable, maintainable systems with strong emphasis on verification, traceability, and coding standards. You will collaborate closely with hardware engineers in a structured, quality-driven environment. 🗂️ Requirements: Commercial experience with C++ in embedded or low-level development, Experience with safety-critical or high-reliability systems, Adherence to coding standards and code review practices, Experience with static analysis and refactoring, Knowledge of validation and verification approaches, Ability to work with detailed technical requirements and specifications, Collaboration with hardware or cross-functional engineering teams, English level B2 or higher, Ability to work from Cracow office (Zabłocie) 📃 Skills: C++, Embedded, Git, MISRA, StaticAnalysis, Debugging, Refactoring, Verification, Validation 🏢 Description: Tech stack: C++ Embedded systems development Static analysis tools Version control systems (e.g. Git) Debugging tools (low-level / hardware-related) Coding standards (e.g. MISRA or similar) Requirements: Solid commercial experience with C++ (embedded or close-to-hardware development) Experience working on safety-critical or high-reliability systems Strong focus on code quality, readability, and maintainability Practical experience with code reviews, coding standards, and refactoring Testing mindset and experience with validation / verification approaches Ability to work with detailed requirements and specifications Experience collaborating with hardware engineers or cross-functional teams Good English skills (B2 or higher) Ability to work from the Cracow's office in Zabłocie Nice to have: Experience in the medical or regulated industry Familiarity with safety standards and compliance processes Experience with embedded debugging tools and techniques Experienced in using AI tools in day-to-day workflow Project description: Join a team developing safety-critical embedded software for the medical industry, where quality is treated as a core product feature. The project focuses on building reliable and maintainable systems with strong emphasis on verification, traceability, and engineering discipline. You will work in an environment that values clean code, structured development processes, and close collaboration between software and hardware teams. The team promotes continuous improvement, knowledge sharing, and active contribution to design and quality decision Main responsibilities: Design software solutions based on requirements and technical specifications Develop embedded features using modern C++ Ensure high code quality through reviews, refactoring, and adherence to coding standards Run and support static analysis processes Debug, fix defects, and improve existing functionality Document development work to ensure traceability Collaborate closely with hardware engineers and other teams Participate in knowledge sharing and support continuous improvement initiatives About Spyrosoft Spyrosoft is an authentic, cutting-edge software engineering company, established in 2016. In 2021 and 2022, we were among the fastest growing technology companies in Europe, according to the Financial Times. We were founded by a group of tech experts with established backgrounds in software engineering, who created an ‘engineer-to-engineer’ workplace, powered by enthusiasm, fairness and authentic relationships. Having a unique offering, which bridge the gap between technology and business, we specialise in technology solutions for industry 4.0, automotive, geospatial, healthcare & life sciences, employee experience & education and financial services industries.

🏢 Summary: Embedded Developer role focused on designing and implementing embedded C++ software for automotive ECUs and machine control systems, including Linux-based HMI functions. The position involves model-based design with Matlab/Simulink, real-time systems development, and full lifecycle participation from requirements to validation. The engineer works with RTOS, CAN communication, and performs hands-on testing on target hardware. 🗂️ Requirements: Minimum 5 years of professional experience, Strong experience in C++, Experience in embedded systems or firmware development, Solid understanding of embedded software development lifecycle, Hands-on experience with Matlab/Simulink, Experience with model-based design, Experience with RTOS-based development, Experience with CAN communication, Proficiency with Enterprise Architect, Knowledge of software testing methods, Good command of English 📃 Skills: C++, Embedded, RTOS, Matlab, Simulink, CAN, EnterpriseArchitect, Linux, ECU, HMI, EmbeddedCoder 🏢 Description: We are looking for an Embedded Developer to join our team and contribute to an exciting project in the automotive industry. The role involves designing and implementing embedded software components, working on both low-level control systems and Linux-based HMI functions. By joining us, you become a member of the Embedded Competence Center at Sii, an internal organizational unit, bringing together more than 500 specialists nationwide! We are currently working on about 100 projects for 50 clients from various industries, including automotive, IoT, telecommunications, and medical. Apply! Your tasks Design, develop and maintain embedded C++ software for ECUs and machine control systems Develop and maintain control algorithms and software models using Matlab/Simulink, including model-based design Transform models into production-ready embedded code and support integration Work with real-time systems, sensors, actuators, and communication interfaces (e.g. CAN) Participate in the full development lifecycle: requirements, design, implementation, integration and verification Collaborate closely with system engineers, control engineers, and hardware teams Perform hands-on validation and testing directly on machines, including access to a dedicated test track near the office Contribute to continuous improvements within an agile setup Requirements At least 5 years of professional experience Strong experience in C++ (preferably modern C++) Experience in embedded systems/firmware development Solid understanding of the embedded software development life cycle Hands-on experience with Matlab/Simulink and model-based design Familiarity with electrical and electronic system architectures Hands-on experience with RTOS-based software development Experience with CAN communication Proficiency with the Enterprise Architect tool Knowledge of software testing methods (e.g., code analysis, unit validation) Good command in English Nice-to-have requirements Previous work with auto-code generation (e.g., Embedded Coder) Knowledge of vehicle communication protocols (e.g., CAN) Experience in the automotive or heavy equipment domain Familiarity with functional safety (e.g., ISO 26262) 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!