Backend Engineer - Web Crawling & Search Platform

Perplexity; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Perplexity is seeking an experienced Backend Software Engineer to join our Crawler team. You will design, develop, and operate systems that ingest, process, and manage web-scale data for our next generation of advanced search technologies.

You will own projects focused on building large-scale web crawlers, ingestion pipelines, and data processing systems, while improving backend and frontend components for crawler services, dashboards, and data management.

Qualifications

• 5+ years of software development experience.
• Experience with large-scale web crawlers is highly desirable.
• Experience with high-load, distributed services and cloud infrastructure.

Responsibilities

• Take ownership of and lead projects developing large-scale web crawlers, ingestion pipelines, and data processing systems.
• Build, maintain, and optimize core backend and frontend components for crawler services, including storage, retrieval, and UI dashboards for data management.
• Collaborate with Search and Infrastructure teams to ensure reliable ingestion and processing of billions of web pages.
• Architect and implement fullstack features and scalable distributed systems for high-load, real-time data operations.
• Iterate rapidly, experiment with new approaches, and continuously enhance system performance and reliability.

Skills

Python

C++

Rust

Go

Data structures & algorithms

Distributed systems

Tools

Kubernetes

AWS

Job description

Perplexity is seeking an experienced Backend Software Engineer to join our Crawler team. You will design, develop, and operate systems that ingest, process, and manage web-scale data for our next generation of advanced search technologies.

You will own projects focused on building large-scale web crawlers, ingestion pipelines, and data processing systems, while improving backend and frontend components for crawler services, dashboards, and data management.