Menlo Security seeks a senior engineer to shape its ingress proxy. Own production features where security controls begin for users and AI agents. This engineer works on the service serving as the primary path into Menlo Security's product for most users. You will design, implement, review, and deliver changes while extending protection to agent traffic. The work emphasizes maintainable systems, correctness, scalability, and secure architecture. Key Responsibilities:
Shape how the ingress proxy service evolves Design and deliver features through production Move legacy traffic safely in staged transitions Refactor systems into robust architectures Articulate and defend architectural decisions Requirements:
Five or more years operating production systems Experience building systems in Rust or Go Working knowledge of HTTP and TLS Comprehensive testing with fuzzing and property-based methods Ability to evaluate language and architecture trade-offs Lead ingress proxy evolution at Menlo Security with secure architecture, staged rewrites, rigorous testing, and production ownership.