Backend/Infrastructure Engineer – Search

About the role

Perplexity is seeking a Backend/Infrastructure Engineer to help build the core systems that power its next‑generation search platform. You will work at the intersection of infrastructure and software, owning both the cloud‑native environment and the code that runs on it.

Key responsibilities

• Build and maintain robust, scalable infrastructure for 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 optimise Linux systems, containers, and backend services.
• Contribute directly to product codebases using Python, Go, and other systems languages.

Required profile

• 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.
• Proficiency in Python and fluency in at least one systems language such as Go, Rust, C/C++, or Java.
• Comfort working across both infrastructure and application‑level code.
• Proactive learner who thrives in a fast‑paced, innovative environment.

Required skills

• AWS
• Linux
• CI/CD
• Python
• Go
• Rust
• C/C++
• Java
• Containers