Member of Technical Staff (Rust Engineer, Search)

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About this role

Member of Technical Staff (Rust Engineer, Search) Belgrade, Serbia, London, Berlin 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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