Senior Software Engineer C++ (OS Internals)

TL;DR

Senior Software Engineer C++ (OS Internals): Building and evolving endpoint agents (Collectors) for Windows and macOS to gather OS-level data with an accent on performance, stability, and system internals. Focus on developing high-performance modern C++ software, solving complex cross-platform challenges, and ensuring security at global scale.

Location: Hybrid in Madrid, Spain

Company

hirify.global is a leader in digital employee experience (DEX) management software, providing IT leaders with deep insights to proactively optimize device performance for millions of employees worldwide.

What you will do

• Design, build, and evolve Collector endpoint agents running on millions of Windows and macOS devices.
• Develop reliable, high-performance modern C++ software close to the operating system.
• Own impactful features end-to-end, from product requirements to production rollout and observability.
• Tackle complex cross-platform challenges and investigate deep OS-level issues across customer fleets.
• Raise the bar for performance, reliability, and security of Collectors at a global scale.

Requirements

• 5+ years of experience in software development.
• Fluency in C++ 20/23.
• Strong, demonstrable understanding of operating system internals.
• Experience in OS-level software development and research on Windows and/or macOS.
• Proven experience leading a feature end-to-end from requirements to delivery.
• English: B2+ (Clear and concise communication required).
• Location: Must be based in or able to work hybrid in Madrid, Spain.

Nice to have

• Experience in kernel-mode software development.
• Experience in cross-platform development specifically for Windows and macOS.

Culture & Benefits

• Permanent contract with a competitive compensation package.
• Hybrid work model balancing office and remote work.
• Flexible hours and unlimited paid vacation (on top of 22 standard days).
• Comprehensive health insurance including dental, vision, and pharmacy expenses.
• Free access to professional training platforms.
• Generous parental leave for mothers, fathers, and adoptive parents.