Senior Systems Engineer, Search Core & Indexing

Perplexity is seeking an Expert Systems Engineer to join our Search Core team in London, focusing on indexing and data processing at scale.

You will design and implement core search engine components, optimize for hardware performance, and tackle multithreading and system-level challenges across billions of pages.

The role demands ownership of full lifecycle from design to deployment, with strong knowledge of Linux internals, data processing stacks, and high-load distributed services.