Senior C++ Developer – Search Core – London

Perplexity AI; Greater London; On-site; USD 160,000 - 250,000; Full time

Job summary

An innovative firm is seeking a highly skilled Senior C++ Developer to join their Search Core team in Greater London. This pivotal role involves developing next-generation search products and technologies, where you'll drive architectural decisions and implement foundational components. You'll tackle challenges in multithreading and system-level optimization while building efficient algorithms for search retrieval and ranking. The company offers a competitive salary and comprehensive benefits, including health insurance and a 401(k) plan, making it an exciting opportunity for talented developers eager to make a significant impact in the tech space.

Benefits

Comprehensive health insurance

Dental insurance

Vision insurance

401(k) plan

Equity compensation

Qualifications

• 10+ years of experience in backend development using C++.
• Strong knowledge of algorithms, multithreading, and system optimization.

Responsibilities

• Develop new search index storage and data processing systems.
• Build core search components and optimize for performance.

Skills

C++

Python

Algorithms and Data Structures

Multithreading

Distributed Systems

Tools

Kubernetes

AWS

Job description

Senior C++ Developer – Search Core – London

Greater London Area

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

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.

Equity: In addition to the base salary, equity is 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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