Senior Software Engineer (C++)

TL;DR

Senior Software Engineer (C++): Developing and maintaining endpoint agent software (Collectors) for cross-platform data extraction and remediation with an accent on OS internals, performance, and stability. Focus on solving complex concurrency and system-level challenges across Windows, macOS, and Linux environments to ensure high-performance data analytics.

Location: Hybrid model in Madrid, Spain. Relocation assistance is available.

Company

hirify.global is a leader in digital employee experience management software, providing IT visibility to over 1,300 global customers to optimize digital workplaces.

What you will do

• Design, prototype, and implement reliable system-level agents for Windows, macOS, and Linux.
• Analyze OS-level behavior to extract meaningful data for analytics systems.
• Develop cross-platform C++ solutions while maintaining platform-specific performance standards.
• Debug and resolve complex technical issues within the OS ecosystem.
• Collaborate with engineering teams to improve product quality and scalability.
• Measure the impact of your code in production environments.

Requirements

• 7+ years of experience in software development.
• Fluent in C++ with knowledge of modern standard iterations.
• Deep understanding of operating systems internals.
• Strong development experience on Windows and/or macOS platforms close to the OS level.
• Proven experience leading or contributing to significant technical projects.
• Ability to perform OS-level research and debug complex code.
• Clear and concise English communication skills.

Nice to have

• Experience in kernel-mode software development.
• Proven work in multi-platform or cross-platform environments.

Culture & Benefits

• Permanent contract with competitive compensation.
• Hybrid work model with office presence near Bernabeu Stadium in Madrid.
• Private health insurance (Sanitas) and daily meal vouchers.
• Unlimited paid time off on top of 23 days of holidays.
• Gym subscription support and flexible compensation for transport/childcare.
• Reimbursement for English and Spanish language learning.