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Perplexity Logo Perplexity · IT - Software Development

Search Rust Engineer

· Job Posted February 21, 2026
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Job Description

Perplexity AI is seeking a talented Search Rust Engineer to join our rapidly growing team, driving innovation in AI-powered search experiences. As a Search Rust Engineer, your main mission will be to relentlessly optimize performance - squeezing every millisecond of latency from our search stack, while implementing robust, scalable, and reliable systems.

Job Responsibility

  • Architect, build, and optimize ultra-low-latency search infrastructure using Rust
  • Profile and instrument services, continuously driving down response times at scale
  • Develop and maintain distributed backend components powering real-time search and retrieval
  • Collaborate closely with product and infrastructure teams to design systems that deliver best-in-class query performance
  • Apply advanced concurrency, memory management, and network programming patterns for maximum throughput
  • Monitor, debug, and tune production workloads to ensure reliability under demanding traffic
  • Contribute to code reviews and mentor peers in high-efficiency Rust development

Requirements

  • Deep expertise in Rust programming, especially for backend/search systems
  • Experience profiling and tuning high-load, low-latency distributed services
  • Strong understanding of systems design, Linux internals, and performance debugging
  • Background in cloud infrastructure - preferably AWS - and container orchestration
  • Track record of driving efficiency for search or data-intensive products
  • Ability to thrive in fast-paced environments and own critical product code
  • Passion for benchmarking, instrumentation, and continuous performance improvement
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