Senior C++ Software Engineer – Hardware-Connected SystemsBarcelona, Spain | Hybrid – typically 2 days onsite per weekWe’re looking for an experienced, hands‑on C++ engineer who enjoys developing Windows software, working close to real hardware and solving challenging integration and performance problems.You’ll join the Barcelona R&D team of a large, established general technology company, developing software for complex, high‑performance hardware systems within a long‑term engineering programme.The role combines application and system‑level development with device communication, hardware interfaces and data processing. It would suit someone who enjoys understanding how the complete system works and investigating problems across software and hardware boundaries.What You’ll Work OnDevelop and maintain modern C++ software, primarily using C++17Build Windows applications and system components that communicate with specialised devices and hardwareDevelop multithreaded software and improve performance, reliability and data handlingInvestigate integration issues across application code, interfaces, drivers and connected equipmentWork with technologies including PCIe and Ethernet for high‑speed data transferSupport system integration, debugging, validation and testing within an R&D/lab environmentWork primarily on Windows,



with some Linux developmentWhat We’re Looking ForStrong commercial experience developing substantial applications or system software in modern C++Proven experience developing C++ software that runs on WindowsExperience with hardware‑connected software, device communication or comparable systems integrationA good understanding of multithreading, concurrency and performance optimisationStrong debugging skills and a practical, methodical approach to solving technical problemsThe ability to take ownership of your work and collaborate with an international engineering teamHybrid working – typically 2 days per week onsite in BarcelonaAn established, ongoing R&D programme with long‑term scopeUseful, but not essential: experience with instrumentation, PCIe, Ethernet, device drivers, data acquisition or high‑throughput streaming.You don’t need experience with every technology listed. Strong Windows C++ development and transferable hardware‑facing systems experience are the priorities. Relevant backgrounds could include industrial automation, scientific or medical equipment, simulators, robotics and other device‑connected applications.If you enjoy building C++ software that interacts with real equipment and solving complex debugging and performance challenges, I’d be happy to tell you more.#J-18808-Ljbffr

📌 Senior Software Engineer (Madrid)
🏢 Script & Dot
📍 Madrid