Senior C++ Developer - Search Core

Perplexity is looking for a highly skilled Senior or Expert C++ Developer to join our Search Core team. This role is critical to building next-generation search products and technologies. You will help drive key decisions around the architecture, design, and implementation of foundational components in our technical stack.ResponsibilitiesDevelop new types of search index storage, including streaming and batch data processing systems in a high-load environment capable of handling billions of pagesBuild new core search components, including algorithms for efficient retrieval and rankingPush the limits of hardware performanceTackle challenges in multithreading, concurrency, and system-level optimizationOptimize subsystems for reliable and consistent data replication within the core search stackQualifications  5+ years of hands-on experience in C++ developmentKnowledge of Python or other scripting languagesPassion for writing clean, efficient, and scalable C++ codeStrong knowledge of algorithms and data structures, and the ability to apply them effectivelyDeep understanding of multithreading, including various approaches, challenges, and trade-offsExperience building high-load, distributed, and hardware-adjacent servicesExpertise in real-time systems developmentPreferred QualificationsExperience developing core components of search engines, trading systems, or database systemsFamiliarity with cloud services, Kubernetes (k8s), and AWS infrastructure