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
