Web and mobile app scraping

Sources: Amazon, WB, Ozon, 1688, Taobao, Avito, LinkedIn, Cian, Booking, Banki.ru, App Store, Google Play.

Stack: Playwright or Puppeteer with stealth, residential and mobile proxies (Bright Data, Oxylabs), fingerprint randomisation (Canvas, WebGL, TLS JA3), CAPTCHA solving (2Captcha and custom ML), Airflow orchestration, ClickHouse, S3, PostgreSQL and Qdrant storage.

Quality: deduplication (simhash plus embeddings), schema validation, anomaly detection, 99.5% uptime SLA, data freshness guarantees.