Staff Engineer, Web-Scale Crawling & Ingestion

Nebius Group; Zürich; On-site; CHF 150,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation

Career growth

Flexibility and ownership

Collaborative and innovative culture

Opportunity to work on impactful AI

International environment

Job summary

Nebius is seeking a Staff Software Engineer to build the content acquisition and crawling infrastructure for a novel search engine designed for agentic AI consumption. You will design and operate scalable crawling, scheduling, and ingestion systems to fetch and refresh content from the open web and other large sources, ensuring high throughput and data quality for downstream indexing and retrieval.

Join a team of engineers working on distributed systems, observability, and cost-efficient

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).
• Understanding of web protocols (HTTP, DNS, TLS), crawling, scraping, and content extraction.
• Experience operating production distributed systems and debugging failures.
• 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

Go

C++

Distributed systems

Backend systems

Tools

Kafka

Pulsar

NATS

RabbitMQ

Job description

Nebius is seeking a Staff Software Engineer to build the content acquisition and crawling infrastructure for a novel search engine designed for agentic AI consumption. You will design and operate scalable crawling, scheduling, and ingestion systems to fetch and refresh content from the open web and other large sources, ensuring high throughput and data quality for downstream indexing and retrieval.

Join a team of engineers working on distributed systems, observability, and cost-efficient