Staff Software Engineer, Web-Scale Crawling & Ingestion

Nebius Group; Greater London; Hybrid; GBP 100,000 - 140,000; Full time

Benefits offered by this job

Competitive compensation

Career growth and learning opportunity

Flexibility and ownership

Collaborative and innovative culture

Impactful AI projects

Job summary

Nebius is hiring a Staff Software Engineer to build the content acquisition and crawling infrastructure for a cutting-edge AI search platform. You will design and operate web-scale crawling, ingestion workflows, and scheduling to handle billions of URLs with high throughput and reliability.

You will work with indexing and ML teams to ensure content quality and observability, while balancing coverage, freshness, and resource use.

Qualifications

• 8+ years of experience building backend or distributed systems.
• Strong Go or C++ expertise.
• Experience with large-scale distributed systems (10k+ RPS, billions of URLs, high-throughput pipelines).
• Understanding of web protocols (HTTP, DNS, TLS), crawling, scraping, and content extraction.
• Experience operating production systems and debugging failures in distributed environments.
• Strong understanding of scalability, fault tolerance, and resource management.

Responsibilities

• Design, implement, and operate web-scale crawling systems for acquiring content from the internet
• Build ingestion workflows for internal and external data sources, including crawlers, structured feeds, and partner integrations
• Develop crawl scheduling, prioritisation, recrawl policies, and freshness strategies
• Build systems for URL discovery, deduplication, content extraction, and crawl orchestration
• Ensure reliable operation of crawling infrastructure under high-throughput conditions
• Define observability and quality metrics for crawl coverage, freshness, throughput, and content quality
• Monitor resource usage, bandwidth consumption, and infrastructure cost
• Collaborate with indexing and ML teams to ensure acquired content meets retrieval and ranking requirements
• Enable safe experimentation with crawling strategies and content acquisition policies

Skills

Distributed systems

Go

C++

Web protocols

System observability

OSS tooling

High throughput

Troubleshooting

Tools

Kafka

Pulsar

NATS

RabbitMQ

Spark

Flink

Job description

Nebius is hiring a Staff Software Engineer to build the content acquisition and crawling infrastructure for a cutting-edge AI search platform. You will design and operate web-scale crawling, ingestion workflows, and scheduling to handle billions of URLs with high throughput and reliability.

You will work with indexing and ML teams to ensure content quality and observability, while balancing coverage, freshness, and resource use.