Senior Software Engineer (Firewall Backend, Content Filtering)

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.

Responsibilities :

• Design and develop cloud‑based backend services for URL filtering, categorization, and reputation/rating using scalable content‑filtering mechanisms.
• Build and maintain high‑performance REST and gRPC APIs using Python and/or Go for integration with firewall, gateway, and cloud management systems.
• Implement security‑focused backend logic, including URL classification pipelines, reputation scoring, policy enforcement, and safe update mechanisms.
• Develop and operate cloud‑native microservices leveraging containers and orchestration platforms, ensuring high availability, scalability, and resilience.
• Collaborate with frontend, data, security, and platform teams to deliver end‑to‑end filtering, management, and analytics functionality.

Requirements:

• Strong backend development experience using Python and/or Go, including design of scalable REST/gRPC APIs.
• Experience building cloud‑native systems on AWS, Azure, or GCP using microservices, Docker, Kubernetes, and CI/CD pipelines.
• Solid understanding of URL filtering and rating systems, data pipelines, taxonomy classification, reputation scoring, or similar security data processing domains.
• Hands‑on experience with databases (SQL/NoSQL), large‑scale telemetry, metrics ingestion, and analytics processing.
• Working knowledge of security fundamentals, including certificates, encryption, secure communications, and firewall/UTM concepts.

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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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