Perplexity is looking for an 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