Senior C++ Developer

10 Hours ago • 10 Years + • $160,000 PA - $250,000 PA

Job Summary

Job Description

Perplexity is seeking a Senior C++ Developer to join the Search Core team. The role involves developing new search index storage, building core search components, and optimizing systems for high performance. Responsibilities include developing search index storage, building core search components, pushing hardware limits, and tackling challenges in multithreading, concurrency, and system-level optimization. The role requires expertise in building high-load, distributed, and hardware-adjacent services with real-time systems development. It also involves optimizing subsystems for reliable and consistent data replication within the core search stack.
Must have:
  • 10 years of experience in backend systems using C++
  • 6 years of experience in scalable, high-performance systems
  • Knowledge of Python or other scripting languages
  • Passion for writing clean, efficient, and scalable C++ code
  • Strong knowledge of algorithms and data structures
  • Deep understanding of multithreading
  • Expertise in building high-load, distributed services
  • Expertise in real-time systems development
Good to have:
  • Experience developing core components of search engines
  • Familiarity with cloud services, Kubernetes (k8s), and AWS infrastructure
Perks:
  • Comprehensive health, dental, and vision insurance
  • 401(k) plan
  • Equity in addition to base salary

Job Details

Perplexity is looking for a highly skilled Senior 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

  • 10 years of experience developing backend systems using C++
  • 6 years of experience designing and implementing scalable, high-performance systems in large-scale production environments
  • 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
  • Deep expertise in 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

Our cash compensation range for this role is $160,000 - $250,000.

At Perplexity, we've experienced tremendous growth and adoption since publicly launching the world's first fully functional conversational answer engine in 2022. We've grown from answering 2.5 million questions per day at the start of 2024 to around 20 million daily queries in December 2024. We also offer Perplexity Enterprise Pro, which counts leading companies like Nvidia, the Cleveland Cavaliers, Bridgewater, and Zoom as customers.

To support our rapid expansion, we've raised significant funding from some of the most respected technology investors. Our investor base includes IVP, NEA, Jeff Bezos, NVIDIA, Databricks, Bessemer Venture Partners, Elad Gil, Nat Friedman, Daniel Gross, Naval Ravikant, Tobi Lutke, and many other visionary individuals. In 2024, our employee base grew nearly 300%, and we're just getting started.

Final offer amounts are determined by multiple factors, including, experience and expertise, and may vary from the amounts listed above.
 
Equity: In addition to the base salary, equity may be part of the total compensation package.
Benefits: Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.
 
 

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