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Member of Technical Staff; Rust Engineer, Search

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Perplexity
Full Time position
Listed on 2026-06-13
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR
Job Description & How to Apply Below
Position: Member of Technical Staff (Rust Engineer, Search)
Location: Greater London

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.

Responsibilities
  • 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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