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

Job summary

Responsibilities

Perplexity is looking for an Infrastructure Engineer to own and improve the backend systems behind our latency-sensitive search stack. You’ll work across high-QPS Rust and Go services, distributed retrieval systems, cloud infrastructure, observability, and deployment tooling.

• Build and operate scalable, low-latency infrastructure for search serving and retrieval.
• Design and improve distributed backend systems that handle high request volumes.
• Debug and optimize Linux systems, containers, networking, and production services.
• Improve reliability through observability, capacity planning, performance profiling, and incident response.
• Design, deploy, and operate cloud-native systems, primarily on AWS and Kubernetes.

What they're looking for

• Strong experience with cloud infrastructure, distributed systems, and automation.
• Deep understanding of Linux internals, performance analysis, and production debugging.
• Experience building or operating latency-sensitive, high-throughput backend systems.
• Experience with containers, orchestration, observability, and infrastructure as code.
• Experience building or maintaining CI/CD systems and release tooling.

Tech stack

• Rust
• AWS
• Kubernetes
• Go
• C++
• Java