Senior Software Engineer (Windows/macOS)

We are seeking a talented Senior Software Engineer to join our team to develop cloud-managed endpoint security applications. As a key member of our engineering team, you will help create an innovative platform to enhance the management of endpoint security software. Our development environment is truly cross-platform, encompassing a wide range of technologies, including AWS cloud services, Windows, macOS, Linux, Android, and iOS. This unique setup offers you an exceptional opportunity to gain exposure to a diverse array of technologies that few organizations can match. Join us in shaping the future of cybersecurity and expanding your expertise within a dynamic, multi-platform development team.

Role and Responsibilities:

• Design, develop, and maintain high-performance client applications for Windows and macOS platforms, with occasional mobile app development.
• Write clean, efficient, and maintainable code across multiple languages, including C/C++, Golang, and Swift.
• Collaborate with cross-functional teams, including designers, QA, and product managers, to deliver seamless and responsive user experiences.
• Troubleshoot and resolve complex technical issues to ensure the stability and reliability of client applications across platforms.
• Participate in code reviews, architectural discussions, and contribute to engineering best practices.

Qualifications:

• Solid computer science fundamentals in areas such as data structures, algorithms, memory management, and system programming.
• 6 years of experience in client-side software development with a focus on Windows and macOS applications.
• Strong proficiency in C/C++ with deep expertise in systems-level programming, including kernel-mode development on Windows and macOS.
• Strong proficiency in Golang and experience building performant, concurrent applications.
• Experience with Windows kernel and driver development, including WDM/WDF, kernel-mode programming, and Windows internals.
• Experience developing Windows Services and an understanding of Windows security architecture and privilege levels.
• Experience with macOS kernel extension (kext) or System Extension development, and familiarity with macOS internals.
• Hands-on experience with macOS security frameworks, particularly the Endpoint Security Framework (ESF), for system event monitoring and security policy enforcement.
• Experience with Swift and/or Objective-C for macOS or iOS development.
• Familiarity with Vue3 or other frontend frameworks for UI development.
• Experience with cross-platform development patterns and platform-specific API differences.
• Hands-on experience with Public Key Infrastructure (PKI), including certificate lifecycle management, code signing, mutual TLS (mTLS), and integration with platform-native credential stores (Windows CNG/CAPI, macOS Keychain).
• Excellent problem-solving and debugging skills across multiple languages and environments.
• Ability to work effectively in a fast-paced and agile development environment.
• Skills in mobile development (iOS/Android) are a plus.
• Hands-on experience with AI coding assistance.

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