Staff Software Engineer: Web-Scale Crawling & Ingestion

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

Benefits offered by this job

Competitive compensation

Career growth and learning机会

Flexibility and ownership

Collaborative and innovative culture

Opportunity to work on impactful AI"项目

International environment

Job summary

Nebius is building a novel agent-native search platform and is seeking a Staff Software Engineer to own the content crawling infrastructure. You will design and operate distributed crawling systems that fetch and refresh data from the open web and large-scale sources, balancing coverage, freshness, and cost.

In this role you will work across crawling, ingestion, and observability, ensuring content quality 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, high-throughput pipelines).
• Understanding of web protocols (HTTP, DNS, TLS), crawling, scraping, and content extraction.

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

HTTP/DNS/TLS

Tools

Kafka

Pulsar

NATS

RabbitMQ

Spark

Flink

Job description

Nebius is building a novel agent-native search platform and is seeking a Staff Software Engineer to own the content crawling infrastructure. You will design and operate distributed crawling systems that fetch and refresh data from the open web and large-scale sources, balancing coverage, freshness, and cost.

In this role you will work across crawling, ingestion, and observability, ensuring content quality for downstream indexing and retrieval.