Senior Windows Platform Engineer

Malwarebytes is looking for..

Malwarebytes protects millions of people and businesses from online threats. We are looking for a Senior C++ Developer with strong systems programming experience to work on the core of our antivirus engine.

This is a hands-on engineering role. You will implement new protection features at both user and kernel space, and help keep our engine fast, stable, and effective on millions of devices.

What You Will Do:

• Work on the antivirus engine: implement new detection and protection features

• Build and maintain user and kernel-level components

• Write safe, efficient C++ code that runs with high privileges on production systems

• Debug hard system issues using crash dumps, kernel debuggers, and trace tools

• Work with Research to bring new threat detection ideas into the engine

• Review code and share knowledge with teammates

• Use AI tools to speed up development and testing

In Your First Year You Will

• Implement several new features in the antivirus engine, end to end

• Contribute to both user mode and kernel mode components

• Become a reliable owner of your area of the codebase

What You Bring

• 8+ years of professional C++ development

• Solid understanding of Windows internals at both user and kernel level

• Strong debugging skills: WinDbg, crash dumps

• High standards for code quality: solid grasp of SOLID principles and design patterns, applied consistently in a large codebase

• Experience shipping software that runs with high privileges on production systems

Nice to Have

• Experience with antivirus, EDR, or endpoint security products

• Knowledge of Windows security features: ELAM, PPL, or kernel isolation

• Experience with driver signing or HLK/WHQL certification

• Familiarity with threat detection techniques or malware analysis

• Knowledge of C# and .NET, including common patterns and best practices

Perks & Benefits:

• Comprehensive medical, dental, and vision insurance coverage

• Employee Referral Bonus Program

• Wellness programs

• An opportunity to do something great for yourself and the world!
  
  

(Benefits and Perks subject to change by country/region)