Staff Engineer — Web-Scale Crawling & Ingestion

Nebius Group; Amsterdam; Remote; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Competitive compensation

Career growth and learning

Flexibility and ownership

Collaborative and innovative culture

Opportunity to work on impactful AI项目

International environment and talented

Job summary

Nebius, an Amsterdam-based AI cloud platform, is seeking a Staff Software Engineer to own the content acquisition and crawling infrastructure for our agent-native search engine.

You will design distributed crawling, scheduling, and ingestion systems capable of operating at internet scale, processing billions of URLs, and ensuring high-quality content for downstream indexing and retrieval.

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) and content extraction.
• Experience operating production systems and debugging distributed 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 or C++

Distributed systems

Backend development

Web protocols (HTTP, DNS, TLS)

Production systems debugging

Tools

Kafka

Pulsar

NATS

RabbitMQ

Spark

Flink

Beam

MapReduce

Job description

Nebius, an Amsterdam-based AI cloud platform, is seeking a Staff Software Engineer to own the content acquisition and crawling infrastructure for our agent-native search engine.

You will design distributed crawling, scheduling, and ingestion systems capable of operating at internet scale, processing billions of URLs, and ensuring high-quality content for downstream indexing and retrieval.