Job DescriptionDesign and build distributed scraping architectures that can scale across thousands of domainsReverse 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-likeLead technical innovation in scraping: identify edge cases, prototype new approaches, and share knowledge with the teamSet up anomaly detection and monitoring to detect blockers or failures earlyQualificationsWhat You Bring5+ years of experience with Python and large-scale scraping projectsDeep understanding of anti-bot technologies and how to bypass them, fingerprinting, WAFs, JavaScript challenges, etcExperience working with Scrapy, Requests, httpx, Selenium, Playwright, or custom headless browser driversSkilled at handling proxies (residential, datacenter, rotating), session management, cookie injection, and TLS tweakingStrong debugging skills across browser, HTTP traffic,



and device-level interactionsYou think independently and enjoy solving problems no one has solved beforeFamiliarity with structured storage formats (Parquet, Avro), or real-time stream processingGood knowledge of databases like MongoDB, InfluxDB, and Redis, including how they work and how to optimize themBonus SkillsExperience with real-device simulation for mobile scrapingComfortable building and maintaining distributed task queues (Celery, Kafka, etc.)Experience scraping high-security platforms or mobile-first environmentsExposure to Linux or cloud environments (AWS, GCP, etc.)Basic understanding of Kubernetes, Cloud Run, and Cloud Functions to deploy and orchestrate scraping workloadsAdditional InformationWhy Join NIQ Digital shelfYou'll have ownership and freedom to experiment, backed by a team that thrives on innovationYou'll work with people who are truly passionate about data and know how to use it wellYour ideas will shape our strateg

📌 Senior Software Engineer (Madrid)
🏢 NielsenIQ
📍 Madrid