Member of Technical Staff (Backend/Infrastructure Engineer, Search)

Perplexity is looking for a Senior Infrastructure Engineer to join our small team revolutionizing the way people search and interact with the internet. Your passion and diligence will be critical to ensure a high quality product. This role blends infrastructure expertise with software engineering -- you'll own core systems that power our products and development workflows.  Responsibilities - Build and maintain robust, scalable infrastructure to support high-performance search systems - Develop internal tools and automation to streamline developer workflows and operational efficiency - Design, deploy, and operate cloud-native systems, primarily on AWS - Improve and support CI/CD pipelines, testing infrastructure, and release processes - Debug and optimize Linux systems, containers, and backend services - Contribute directly to product codebases, working across Python, Go, and other systems languages Requirements - Strong background in cloud infrastructure (AWS preferred), systems design, and automation - Deep understanding of Linux internals, performance tuning, and debugging - Experience building or maintaining CI/CD systems and tooling - Strong Python skills and fluency in at least one systems language (Go, Rust, C/C++, or Java) - Comfort working across both infrastructure and application-level code - A proactive learner who thrives in a fast-paced, innovative environment