Staff Engineer, Endpoint Security (Windows/Linux)

SonicWall; Maharashtra; On-site; INR 1,800,000 - 2,600,000; Full time

Job summary

SonicWallis seeking a Client Software Engineer to join our cross-platform development team to create cloud-managed endpoint security applications across Windows, Linux, macOS, and mobile. You will gain exposure to diverse technologies in a truly cross-platform environment and contribute to shaping the future of cybersecurity.

The role involves designing, implementing, testing, and maintaining client applications, collaborating with QA, product managers, and designers to deliver reliable

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field or equivalent practical experience.
• 5+ years of client-side software development across Windows, macOS, and Linux.
• Strong foundation in CS concepts: data structures, algorithms, OS, networking, software design.
• Proficiency in C/C++ and object-oriented programming.
• Exposure to system-level programming on Windows or Linux.
• Familiarity with Windows development technologies (Win32 APIs, Windows Services) is a plus.
• Basic knowledge of Golang or willingness to learn Go.
• Understanding OS internals, threads, memory management, and IPC.
• Networking fundamentals: TCP/IP, DNS, HTTP/HTTPS, TLS/SSL, proxies, VPNs.
• Experience with macOS/iOS/Android development desirable but not required.
• Interest in security, endpoint technologies, networking products.
• Strong analytical, problem-solving, and debugging skills.
• Ability to learn quickly in a collaborative, agile environment.
• Excellent communication and mentorship-seeking mindset.
• Experience with Git, CI/CD tools, and AI-assisted coding tools is a plus.

Responsibilities

• Design, develop, test, and maintain client applications for Windows and Linux, with opportunities to contribute to macOS and mobile platforms.
• Write clean, maintainable, and well-documented code in languages such as C/C++, Golang, and other team technologies.
• Collaborate with QA, product managers, and designers to deliver reliable and user-friendly experiences.
• Debug and troubleshoot issues across client applications, identifying root causes and implementing solutions.
• Participate in code reviews and technical discussions while learning engineering best practices and software design principles.
• Contribute to feature development, testing, and release activities throughout the software development lifecycle.
• Assist with performance, reliability, and security improvements across supported platforms.
• Continuously learn new technologies, tools, and development practices relevant to endpoint, networking, and systems software.

Skills

C/C++

Golang

Cross-platform desktop development

OS concepts

Networking fundamentals

Debugging

Git

CI/CD

Team collaboration

Communication skills

Education

Bachelor’s degree in Computer Science or Software Engineering

Tools

Win32 APIs

CI/CD pipelines

AI-assisted coding tools

Job description

SonicWallis a cybersecurity forerunnerwith more than 30 years of expertise and is recognized as a leading partner-first company, ensuring our partners and their customers are never alonein 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, visitwww.sonicwall.comor follow us onTwitter,LinkedIn,FacebookandInstagram.

Job Description:

We are seeking a talented 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, test, and maintain client applications for Windows and Linux, with opportunities to contribute to macOS and mobile platforms.
• Write clean, maintainable, and well-documented code in languages such as C/C++, Golang, and other technologies used by the team.
• Collaborate closely with QA, product managers, and designers to deliver reliable and user-friendly experiences.
• Debug and troubleshoot issues across client applications, working with teammates to identify root causes and implement solutions.
• Participate in code reviews and technical discussions while learning engineering best practices and software design principles.
• Contribute to feature development, testing, and release activities throughout the software development lifecycle.
• Assist with performance, reliability, and security improvements across supported platforms.
• Continuously learn new technologies, tools, and development practices relevant to endpoint, networking, and systems software.

Qualifications:

• Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• 5+ 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 foundation in computer science concepts including data structures, algorithms, operating systems, networking, and software design.
• Proficiency in C/C++ and a solid understanding of object-oriented programming principles.
• Exposure to system-level programming concepts and native application development on Windows or Linux.
• Familiarity with Windows development technologies such as Win32 APIs, Windows Services, or related frameworks is a plus.
• Basic knowledge of Golang or a strong interest in learning and developing applications using Go.
• Understanding of operating system internals, processes, threads, memory management, and inter-process communication concepts.
• Familiarity with networking fundamentals including TCP/IP, DNS, HTTP/HTTPS, TLS/SSL, proxies, and VPN concepts.
• Experience with macOS, iOS, or Android development through coursework, internships, personal projects, or professional experience is desirable but not required.
• Interest in security, endpoint technologies, operating systems, or networking products.
• Strong analytical, problem-solving, and debugging skills.
• Ability to learn quickly and work effectively in a collaborative, fast-paced, agile environment.
• Excellent communication skills and willingness to seek feedback and mentorship.
• Experience using modern developer tools, including source control systems (Git), CI/CD pipelines, and AI-assisted coding tools, is a plus.

#C/C++

#networking

SonicWall is an equal opportunity employer.

We are committed to creating a diverse environment and are an equal opportunity employer. All qualified applicants receive consideration for employment without regard to race, color, ethnicity, religion, sex, gender, gender identity and expression, sexual orientation, national origin, disability, age, marital status, veteran status, pregnancy, or any other basis prohibited by applicable law.

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