Lead Infrastructure Engineer, UUIProxy
Elena has spent eleven years on distributed networking, the last six of them on proxy gateway architecture. She designed UUIProxy's session-affinity layer and the response-classification pipeline that decides when a request should be retried on a higher-trust exit. She writes about the parts of scraping infrastructure that only become visible at scale.
2 articles
A working guide to rotating proxies in Python with requests, httpx and Scrapy — session handling, retry logic, response classification and the mistakes that quietly waste traffic budget.
Why swapping IPs stops working, and what else your crawler is broadcasting: TLS fingerprints, header order, HTTP/2 settings, timing patterns and the consistency rules that keep sessions alive.
Put reliable infrastructure behind your data operation and let it scale with you.
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