Principal Software Engineer

About this position

Malwarebytes is reimagining security to safeguard devices, data, and people — no matter their location, lifestyle, or means. What began in 2008 with one person helping another remove a malware infection has grown into a global leader in online protection, with an all-in-one suite of cybersecurity, privacy, and identity protection solutions that empower millions of people worldwide to enjoy their digital lives, free from threats and scams. About Malwarebytes Inc. Our portfolio has grown far beyond malware removal into a full suite of award-winning cybersecurity, privacy, and identity solutions, from the free tools that have long served as a first line of defense to newer options for identity protection and personal data removal. The threat landscape keeps getting faster, stealthier, and more sophisticated, and we believe protection should be both powerful and refreshingly simple — because security that's too hard to use doesn't get used. Built and beloved by experts, we combine world-class threat research with proprietary, AI-powered processes to deliver powerful digital protection that's always by your side. Malwarebytes is looking for.. What You Will Do: Develop next generation features to protect our consumers Write amazing code, using best practices and the latest technologies Ensure you deliver quality code by writing design documents and unit tests Collaborate with Product, UX and QA to deliver an ambitious roadmap on time and with high quality Design and develop key integrations between Malwarebytes' systems and products Support your fellow team members: mentor, proactively communicate & code review Work as a team to ensure everyone meets their goals Skills You'll Need to Have: Strong understanding of data structures, algorithms, and common design patterns Experience architecting projects used by millions of clients AI workflows without quality degradation Experience working with Git Experience in regular code reviews, giving and receiving professional feedback UX and user-centric mindset You have an instinct for writing tests You manage your tasks very well and do an excellent job of estimating work Excellent debugging and troubleshooting skills Excellent communication and learning skills Private Health Insurance - Comprehensive medical, dental, and vision insurance coverage, subject to change by country/region Wellness programs Winter break between Christmas and New Year - 4 extra days in 2026 A great work environment that supports growth, development, and well-being

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