The Collector collects meaningful data at the OS level, aggregates it on the device, and reports it to our cloud analytics platform. They also help remediate detected issues and improve users' device experience. Collectors are a complex and critical part of Nexthink products, running on Windows and macOS.
We hold a high bar for quality, performance, and security, and we give engineers the room to ship and grow.
Design, build, and evolve Nexthink’s Collector endpoint agents running on millions of Windows and macOS devices worldwide.
Develop reliable, high-performance modern C++ software close to the operating system, where efficiency, stability, and quality directly matter.
Continuously raise the bar for the performance, reliability, security, and maintainability of our Collectors, helping shape technology that operates at integral endpoint scale.
5+ years of experience in software development.
~ Fluency in C++ 20/23.
~ Experience in OS-level software development and research on Windows and/or macOS.
~ Proficiency or hands-on experience with AI agentic coding tools.
~ Clear,



concise communication in English.

Experience in kernel-mode software development.
Windows and macOS.
Permanent Contract and a competitive compensation package.
Health insurance through our partnership with ACKO, including OPD coverage for dental, vision, health check-ups, consultations, and pharmacy expenses.
Hybrid work model balancing office and remote work, with a structured approach for new hires to foster connections and onboarding.
Flexible Hours and unlimited vacation (employees have unlimited paid time off on top of the 22 days of holidays we offer). Plus, company-paid bank holidays (12), sick days (10-30), bereavement leave (5), and 3 days per year for volunteering.
Free access to professional training platforms to explore your interests and enhance your skills.
Gratuity is payable at retirement or resignation based on your last drawn basic pay.
Additional Information We are the pioneers

📌 Senior Software Engineer C++ (Madrid)
🏢 Nexthink
📍 Madrid