Principal Client Software Engineer – Desktop Platforms(Mac OS)

SonicWall is a cybersecurity forerunner with more than 30 years of expertise and is recognized as a leading partner-first company, ensuring our partners and their customers are never alone in the fight against cybercrime. With the ability to build, scale and manage security across the cloud, hybrid and traditional environments in real-time, SonicWall provides relentless security against the most evasive cyberattacks across endless exposure points for increasingly remote, mobile and cloud-enabled users. With its own threat research center, SonicWall can quickly and economically provide purpose-built security solutions to enable any organization - enterprise, government agencies and SMBs - around the world. For more information, visit www.sonicwall.com or follow us on Twitter, LinkedIn, Facebook and Instagram.

We are seeking a talented Senior Client Software Engineer to join our team to develop cloud-managed endpoint security applications.

Our development environment is truly cross-platform, encompassing a wide range of technologies, including 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, maintain, and release client applications for Windows, macOS, and Linux, 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, ensuring 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, cryptography, networking, and system programming.

10+ years of experience in client-side software development with a deep understanding of one or multiple desktop OS platforms, including Windows, macOS, and Linux.

Strong proficiency in C/C++ with deep expertise in systems-level programming, including kernel-mode development. Deep understanding of Windows C++ (MFC, ATL, COM/DCOM, Win32 API)

Working knowledge of Golang and its concurrency

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 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.

Solid understanding of networking fundamentals: TLS/SSL, tunneling protocols (PPP, ESP, WireGuard), DNS, proxies.

Knowledge of Vue or any Typescript/Javascript-based frontend frameworks for UI development.

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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At SonicWall, we pride ourselves on recruiting a diverse mix of talented people and providing active security solutions in 100+ countries.

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