Full-Stack Engineer | Web Crawling (m/f/d)

Certivity•Technology

München - HQVollzeitVor Ortvor 3 Wochen

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About the Job We build and operate l arge-scale web crawling and extraction systems that turn unstructured, dynamic websites into clean, structured, and correct data. You'll own crawlers

end-to-end: discovery, resilient fetching against real anti-bot defenses, and turning HTML/PDF into trustworthy structured output.

What you will do • Build and scale crawlers that handle dynamic, large-scale sites - and keep them running as those sites change and fight back.

Stay ahead of anti-bot measures: TLS/browser fingerprinting, proxies, session and rate-limit strategy, change detection.

Turn raw HTML and PDF into clean, correct structured data - including LLMassisted extraction - where silently-wrong output is worse than a crash.

Design and operate pipelines for ingestion, deduplication, versioning, and enrichment.

Ship and run containerized apps in the cloud, with CI/CD.

Shape our technical architecture and engineering culture.

Our Tech Stack Python, Docker, GCP (Cloud Run jobs) and Azure Blob, MongoDB. Go services and a React frontend on the periphery. You don't need all of it on day one, but you do need to

ramp up fast

🎯Your profile

3+ years of professional software development (5+ for the senior track).

Strong Python - real production code, async.

Hands-on web scraping at scale, including firsthand experience with anti-bot

defenses and the failure modes of large-scale collection.

A data-correctness mindset - you care that extracted data is right, not just that the job finished.

Docker + at least one major cloud (GCP, Azure, or AWS), Git, comfortable on the CLI.

Clear communicator who works well in a small, fast-moving team.

Nice to have

LLM-assisted extraction / working with LLMs, ML pipelines, or data labeling workflows.

Go or Java/Spring Boot.

Frontend (React) — or eagerness to pick it up.

Terraform, Kubernetes, modern DevOps tooling.

Why us?

A vibrant in-office culture in Munich with the option for up to 60 % work from home.

Flexible working hours.

30 vacation days per year (including 4 “company rest days” over christmas).

30 days of "workation" per year, within the EU and selected countries.

High autonomy and flat hierarchies.

EGYM Wellpass for unlimited access to fitness courses and gyms.

Udemy access for educational videos.

Closing Certivity is an equal opportunities employer. We are committed to equal employment opportunities regardless of race, religion, sexual orientation, age, marital status, disability, or gender identity. Please do not submit personal data revealing racial or ethnic origin, political opinions, religious or philosophical beliefs, trade union membership, data concerning your health, or data concerning your sexual orientation.