Senior Windows Agent Engineer (C# / C++) Hybrid work, Warsaw Temps plein

Notre client :

Our customer is an international product company that builds enterprise software for monitoring and managing large fleets of corporate devices. Its products help IT teams keep workplace endpoints stable, secure and performing well at scale.

Vos tâches :

• Build the low-level layer that observes the operating system, in both managed and native code
• Keep the agent’s resource footprint minimal so that end users never notice it
• Ensure reliable and secure endpoint-to-cloud communication, including on unstable networks and during offline operation
• Implement endpoint actions that change device state safely, predictably and with a clear audit trail
• Extend on-device detection to automatically identify and investigate known issues
• Build the on-device user experience presented by the agent
• Own agent installation, upgrades and rollbacks across very large device fleets
• Diagnose field failures, including conflicts with endpoint security products
• Turn architectural direction into complete, production-quality implementations with minimal supervision

Expérience et compétences requises :

• 6+ years of experience building production software focused on Windows systems, endpoint agents or long-running unattended software
• Deep understanding of Windows internals, including processes, threads, memory, sessions, services, tokens, privileges and the Windows security model
• Strong command of C# and .NET
• Solid production experience with C++
• Hands-on experience with managed-to-native interoperability
• Hands-on experience with native Windows interfaces, including Win32, ETW, WMI and performance counters
• Proven ability to profile and optimize CPU, memory and I/O usage for continuously running, low-footprint software
• Hands-on experience with root-cause analysis using crash dumps and traces
• Solid understanding of concurrency in long-running software
• Proven ability to build reliable, self-recovering software
• Hands-on experience delivering, signing and upgrading software at fleet scale
• Strong security discipline when developing software that runs with elevated privileges
• Hands-on production experience with AI-assisted and agentic coding tools
• Proven ability to critically review AI-generated code
• English – Advanced

Ce serait un plus :

• Production experience with Swift
• Hands-on experience with macOS systems programming, including launchd daemons, XPC, system extensions, privacy controls and notarization

Conditions de travail

Semaine de travail de 5 jours, journée de travail de 8 heures ;

Travail à distance.