Senior Windows Endpoint Engineer for Fleet-Scale Deployment

DOU Polska; Województwo mazowieckie; In loco; PLN 190.000 - 280.000; Tempo pieno

Descrizione del lavoro

DOU Polska seeks an experienced software engineer to develop Windows endpoint agents that run at scale and manage fleets of devices. You will work on low-level OS observation, interop between managed and native code, and secure communication with cloud services.

The role emphasizes stability, auditability, and minimal user impact, across large deployments with strong security requirements. Fluency in English is required.

Competenze

• 6+ years of production software experience for Windows endpoints or long-running unattended software
• Deep understanding of Windows internals: processes, threads, memory, sessions, services, tokens, privileges, Windows security model
• Strong command of C# and .NET
• Solid production experience with C++
• Hands-on managed-to-native interoperability
• Experience with Win32, ETW, WMI, and performance counters
• Ability to profile and optimize CPU, memory, and I/O for long-running, low-footprint software
• Experience with crash dumps and traces for root-cause analysis
• Understanding of concurrency in long-running software
• Proven ability to deliver, sign and upgrade software at fleet scale
• Strong security discipline when running with elevated privileges
• Experience with AI-assisted and agentic coding tools
• Proven ability to critically review AI-generated code
• English – Advanced
• Production experience with Swift
• macOS systems programming: launchd, XPC, extensions, privacy controls, notarization

Mansioni

• Build the low-level layer that observes the operating system in managed and native code
• Keep the agent's resource footprint minimal so end users never notice it
• Ensure reliable and secure endpoint-to-cloud communication, including offline operation
• Implement endpoint actions that change device state safely with audit trail
• Extend on-device detection to identify known issues and investigate them
• 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 production-quality implementations with minimal supervision

Conoscenze

Windows internals

C#

C++

Interop

Win32

ETW

WMI

Performance counters

Crash dumps

Concurrency

Self-recovering

Fleet scale

AI-assisted tools

AI-generated code review

English – Advanced

Swift

macOS systems programming

Descrizione del lavoro

DOU Polska seeks an experienced software engineer to develop Windows endpoint agents that run at scale and manage fleets of devices. You will work on low-level OS observation, interop between managed and native code, and secure communication with cloud services.

The role emphasizes stability, auditability, and minimal user impact, across large deployments with strong security requirements. Fluency in English is required.