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.
Responsibilities
Develop new types of search index storage, including streaming and batch data processing systems in a high-load environment capable of handling billions of pages
Build new core search components, including algorithms for efficient retrieval and ranking
Push the limits of hardware performance
Tackle challenges in multithreading, concurrency, and system-level optimization
Optimize subsystems for reliable and consistent data replication within the core search stack
Qualifications
5+ years of hands-on experience in C++ development
Knowledge of Python or other scripting languages
Passion for writing clean, efficient, and scalable C++ code
Strong knowledge of algorithms and data structures, and the ability to apply them effectively
Deep understanding of multithreading, including various approaches, challenges, and trade-offs
Experience building high-load, distributed, and hardware-adjacent services
Expertise in real-time systems development
Preferred Qualifications
Experience developing core components of search engines, trading systems, or database systems
Familiarity with cloud services, Kubernetes (k8s), and AWS infrastructure