Member of Technical Staff (Search Engine Developer, Search Core)
Perplexityover 1 year ago
Berlin, Germany or London, United KingdomSenior / Staff+
Responsibilities
- Design and build indexing pipelines, retrieval algorithms, and ranking systems operating at the scale of billions of pages.
- Develop streaming and batch data-processing systems for search-index construction in high-load environments.
- Perform low-level hardware-performance optimization and systems-level tuning.
- Address multithreading, concurrency, memory management, cache efficiency, SIMD, and profiling challenges.
- Own the full lifecycle of systems, including how they are built, deployed, operated, and scaled in production.
Requirements
- At least 3 years of hands-on systems-programming experience with Rust, C++, C, or similar languages.
- Knowledge of Python or other scripting languages.
- Strong algorithms and data-structures knowledge and the ability to apply it effectively.
- Deep understanding of multithreading, including approaches, challenges, and trade-offs.
- Experience building high-load, distributed, and hardware-adjacent services.
- Solid understanding of Linux internals, including syscalls, networking, memory models, and kernel tuning.
- Passion for writing clean, efficient, and scalable systems-level code.
- Preferred: experience with search engines, databases, information retrieval, trading systems, or other latency-sensitive real-time systems.
- Preferred: familiarity with cloud services, Kubernetes, and AWS infrastructure.
About Perplexity
Perplexity builds an AI-powered answer engine for web and mobile and an enterprise product, Perplexity Computer, for AI-driven workflows across tools and apps. The company monetizes through individual subscriptions (Perplexity Pro) and enterprise plans. Founded in 2022 and headquartered in San Francisco, it operates as a privately held company.