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← Perplexity AI

Member of Technical Staff (Search Engine Developer, Search Core)

Perplexity AI · Belgrade · London · Berlin

Applied AIonsitesenior
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At a glance

Highlights

  • Build core search engine components operating at billions of pages scale.
  • Design indexing pipelines, retrieval algorithms and ranking systems.
  • Push hardware limits with streaming and batch index construction.

Ideal candidate

Systems-minded engineer who owns projects end-to-end and obsesses over clean, efficient code and real-world performance at scale. Passionate about search, low-level optimization, and building foundational systems that power next-generation products.

Requirements

  • 3+ years of hands-on experience in systems programming (Rust, C++, C, or similar)
  • Ownership of full project lifecycle — built, deployed, operated, and scaled in production
  • Knowledge of Python or other scripting languages
  • Passion for writing clean, efficient, and scalable systems-level code
  • Strong knowledge of algorithms and data structures and ability to apply them effectively
  • Deep understanding of multithreading, including approaches, challenges, and trade-offs
  • Experience building high-load, distributed, and hardware-adjacent services
  • Solid understanding of Linux internals (syscalls, networking stack, memory model, kernel tuning)
  • Familiarity with low-level optimization techniques (memory management, cache efficiency, SIMD, profiling)

Lab profile

About Perplexity AI

Builds AI search answers and agentic Computer to turn knowledge into action.

What they build

  • Perplexity AI answer engine
  • Perplexity Computer agentic assistant
  • Comet AI browser and desktop apps

Known for

  • Agentic AI and agent capabilities
  • Applied AI product engineering
  • Cross-platform apps across web, mobile and desktop
  • Multimodal AI and integrations

Key facts

  • Founded in 2022
  • Headquartered in San Francisco, California
  • Serves millions of users daily
More about Perplexity AI →
Apply on the lab’s site ↗

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