Senior C++ Windows Endpoint Security Engineer

Bitdefender; United States; Remote; USD 90,000 - 130,000; Full time

Job summary

Bitdefender is seeking a C++ Software Developer to join the Windows Endpoint Security team. You will design, develop, and maintain components that run on millions of endpoints, integrating multiple security technologies into a single product.

The role emphasizes Windows internals, performance, security, and collaboration across engineering teams. You will work closely with Windows APIs, debugging tools, and modern C++ standards to deliver reliable software.

Qualifications

• Strong knowledge of C++ and experience developing production software.
• Proficient with modern C++ standards and the C++ standard library.
• Solid understanding of object-oriented design, data structures, memory management, and multithreading.
• Experience with Windows API and Windows system programming concepts.
• Familiarity with Windows internals, debugging tools, and performance profiling.
• Ability to collaborate across multiple teams and communicate effectively.

Responsibilities

• Design, develop, maintain, and improve C++ components running on Windows.
• Integrate security technologies and components into the Endpoint Security product.
• Design and implement Windows services, processes, libraries, and supporting components.
• Work with Windows APIs and OS-level functionality.
• Investigate and resolve performance, memory, concurrency, and networking issues in production.
• Debug using Visual Studio, WinDbg, WPA, ETW, and other tools.
• Analyze crashes, hangs, memory issues, and performance regressions.
• Write clean, maintainable, testable code and perform code reviews.
• Collaborate with QA and product teams throughout the lifecycle.
• Continuous learning about Windows capabilities and security technologies.

Skills

C++ programming

Windows API

Multithreading

Performance optimization

Debugging

Security software

Windows OS concepts

Communication skills

Team collaboration

Visual Studio

Tools

WinDbg

ETW

Windows Performance Analyzer

Crash dumps analysis

Job description

Bitdefender is seeking a C++ Software Developer to join the Windows Endpoint Security team. You will design, develop, and maintain components that run on millions of endpoints, integrating multiple security technologies into a single product.

The role emphasizes Windows internals, performance, security, and collaboration across engineering teams. You will work closely with Windows APIs, debugging tools, and modern C++ standards to deliver reliable software.