Staff Engineer, Endpoint Security (Windows/Linux)

SonicWall SLED; Maharashtra; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

SonicWall is seeking a talented Client Software Engineer in Maharashtra to join a cross-platform development team. You will build cloud-managed endpoint security applications for Windows, Linux, macOS, Android, and iOS.

The role involves writing C/C++, Go, collaborating with QA and product teams, and contributing to performance, security, and reliability across platforms while embracing new technologies.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent.
• 5+ years of client-side software development across Windows, macOS, and Linux.
• Strong CS fundamentals: data structures, algorithms, OS, networking, software design.
• Proficiency in C/C++ with OO principles.
• Exposure to Go (Golang) and native application development on Windows or Linux.
• Familiarity with Win32 APIs/Windows services is a plus.
• Understanding of OS internals, processes, threads, memory management, IPC.
• Networking basics: TCP/IP, DNS, HTTP/HTTPS, TLS/SSL, proxies, VPNs.
• Frontend exposure: JavaScript/TypeScript, Vue/React a plus.
• Security mindset and willingness to learn new endpoint/networking technologies.

Responsibilities

• Design, develop, test, and maintain client applications for Windows and Linux; possible macOS/mobile expansion.
• Write clean, well-documented code in C/C++ and Go.
• Collaborate with QA, PMs, and designers to deliver reliable UX.
• Debug and troubleshoot across client apps; identify root causes and solutions.
• Participate in code reviews and technical discussions; follow best practices.
• Contribute to feature development, testing, and release across the SDLC.
• Assist with performance, reliability, and security improvements across platforms.
• Continuously learn new technologies relevant to endpoint and networking software.

Skills

C/C++

Golang

Object-oriented programming

Data structures

Operating systems

Networking

Code reviews

Debugging

Cross-platform development

Team collaboration

Education

Bachelor’s degree in CS/Software Engineering

Tools

Git

CI/CD pipelines

AI-assisted coding tools

Job description

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.

OS: Windows, Linux

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.
• Exposure to frontend technologies such as JavaScript, TypeScript, Vue, React, or similar frameworks is a plus.
• 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.

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.

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