Live opening · Posted 1 day ago

Senior Software Engineer (Web Scraping, Data acquisition, Data collection)

Nielsen India · Madrid, MD, Spain
Smartrecruiters Yes Full-time
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At a glance

The key details from the original listing.

Posted 1 day ago
CompanyNielsen India
LocationMadrid, MD, Spain
Job typeFull-time
Work modeYes
SourceSmartrecruiters
Listed1 day ago

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About the role

Description supplied by the original job listing.

Design and build distributed scraping architectures that can scale across thousands of domains.
Reverse engineer APIs and mobile apps using tools like Frida, mitmproxy, Charles Proxy, burp and many more.
Detect common anti-bot measures (like JavaScript checks or browser behavior detection) to build crawlers that adjust to appear more human-like.
Lead technical innovation in scraping: identify edge cases, prototype new approaches, and share knowledge with the team.
Set up anomaly detection and monitoring to detect blockers or failures early
5+ years of experience with Python and large-scale scraping projects.
Deep understanding of anti-bot technologies and how to bypass them, fingerprinting, WAFs, JavaScript challenges, etc.
Experience working with Scrapy, Requests, httpx, Selenium, Playwright, or custom headless browser drivers.
Skilled at handling proxies (residential, datacenter, rotating), session management, cookie injection, and TLS tweaking.
Strong debugging skills across browser, HTTP traffic, and device-level interactions.
You think independently and enjoy solving problems no one has solved before.
Familiarity with structured storage formats (Parquet, Avro), or real-time stream processing.
Good knowledge of databases like MongoDB, InfluxDB, and Redis, including how they work and how to optimize them.
➕ Bonus Skills
Experience with real-device simulation for mobile scraping.
Comfortable building and maintaining distributed task queues (Celery, Kafka, etc.).
Experience scraping high-security platforms or mobile-first environments.
Exposure to Linux or cloud environments (AWS, GCP, etc.).
Basic understanding of Kubernetes, Cloud Run, and Cloud Functions to deploy and orchestrate scraping workloads.
Why Join NIQ Digital shelf
You'll have ownership and freedom to experiment, backed by a team that thrives on innovation.
You'll work with people who are truly passionate about data and know how to use it well.
Your ideas will shape our strategy, tools, and success — you won’t just follow the Playbook; you’ll write about it.
Friendly and transparent work culture, competitive salary, flexible hours, and the chance to grow fast in a high-impact role.

Employment type
Full-time

Work arrangement
Yes

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