Security Software Engineer (L5), Client Security & Protocols Engineering

Overview

Security Software Engineer (L5) on Netflix’s Client Security & Protocols Engineering team, focusing on secure client-to-edge transport and authenticated client/device access.

What you'll do

• Design, build, and operate runtime provisioning services that authenticate Netflix client applications at scale.
• Contribute to the architecture and implementation of next-generation secure transport infrastructure.
• Collaborate to build end-to-end ownership from client to edge across client security and secure protocols domains.
• Partner with client engineering teams to build security capabilities across CE, mobile, and browser platforms.
• Validate security controls and ensure integrity of security capabilities from client to edge.
• Design and build distributed systems for secure authentication of Netflix clients and devices at scale.

What you'll need

• Experience building and operating distributed backend systems in high-availability, high-throughput environments.
• Strong foundational knowledge of C++ or Java.
• Familiarity with applied cryptography and cryptographic libraries including OpenSSL, Cryptolib, or BouncyCastle.
• Knowledge of cryptographic algorithms including AES-GCM and ECDSA (and familiarity with ML-DSA, EdDSA mentioned).
• A security mindset and ability to apply engineering rigor to security problems.
• Fluency with AI tools across the engineering workflow from design and implementation to security analysis and debugging.
• Proven end-to-end ownership across requirements, design, implementation, test, and managing in-field impact.

Details

• Location: USA - Remote.
• Compensation range stated: $400,000.00 - $680,000.00 annually (varies by location).