Senior C++ Developer – Search Core

10 Hours ago • 5 Years +

Job Summary

Job Description

Perplexity is seeking a skilled Senior or Expert C++ Developer to join their Search Core team. This role is crucial for developing next-generation search technologies. The developer will be responsible for making key decisions about the architecture, design, and implementation of foundational components. Responsibilities include developing new types of search index storage, building core search components, optimizing subsystems for data replication and handling challenges in multithreading and concurrency. The role requires pushing the limits of hardware performance. They are looking for someone to help the team build upon their conversational answer engine with over 10 million monthly active users and growing.

Must have:

5+ years of 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
Deep understanding of multithreading
Experience 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 and AWS infrastructure

6 skills required

6 skills required for this role

Add these skills to join the top 1% applicants for this job

algorithms

multithreading

kubernetes

aws

data-structures

python

Job Details

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

At Perplexity, we've experienced tremendous growth and adoption since publicly launching the world's first fully functional conversational answer engine just over a year ago. Our AI-powered search assistant has amassed 10 million monthly active users as of early 2024, with our mobile apps installed over 1 million times across iOS and Android devices. In 2023 alone, we served over 500 million queries from users around the globe.

To support our rapid expansion, we've raised significant funding from some of the most respected investors in technology. In January 2024, we raised $73.6 million in a Series B round led by IVP, with participation from NVIDIA, Jeff Bezos' investment fund, NEA, Databricks, and other prominent firms. We followed that up with a $62.7 million Series B1 round in April 2024 led by Daniel Gross, valuing Perplexity at over $1 billion.

Our prominent investor base includes IVP, NEA, Jeff Bezos, NVIDIA, Databricks, Bessemer Venture Partners, Elad Gil, Nat Friedman, Naval Ravikant, Tobi Lutke, and many other visionary individuals.