https://www.nadimtuhin.com/blog Staff engineer and tech lead with 10+ years shipping production systems. Open to remote Staff and Tech Lead roles. en-us nadimtuhin@gmail.com (Nadim Tuhin) nadimtuhin@gmail.com (Nadim Tuhin) Sun, 27 Sep 2026 00:00:00 GMT https://www.nadimtuhin.com/blog/scraping-fail-loudly-when-the-page-layout-changes https://www.nadimtuhin.com/blog/scraping-fail-loudly-when-the-page-layout-changes A scraper that parses nothing and exits 0 looks healthy while it fills your database with gaps. A count check and a saved fixture catch it. Sun, 27 Sep 2026 00:00:00 GMT nadimtuhin@gmail.com (Nadim Tuhin) scrapingweb-scrapingpythontesting https://www.nadimtuhin.com/blog/hermes-personal-finance-tracking-flow https://www.nadimtuhin.com/blog/hermes-personal-finance-tracking-flow Bank SMS and email alerts flow through one parser, a dedupe hash and a Google Sheet. A morning cron job drafts the summary. Only the flow, no figures. Fri, 25 Sep 2026 00:00:00 GMT nadimtuhin@gmail.com (Nadim Tuhin) automationhermespersonal-financecronpython https://www.nadimtuhin.com/blog/scraping-retries-backoff-retry-after-and-what-not-to-retry https://www.nadimtuhin.com/blog/scraping-retries-backoff-retry-after-and-what-not-to-retry A retry helper that backs off with jitter, reads Retry-After, and gives up fast on a 404. Run against a local server that fails on purpose. Mon, 21 Sep 2026 00:00:00 GMT nadimtuhin@gmail.com (Nadim Tuhin) scrapingweb-scrapingpythonreliability https://www.nadimtuhin.com/blog/scraping-look-for-the-json-before-the-css-selector https://www.nadimtuhin.com/blog/scraping-look-for-the-json-before-the-css-selector Many pages ship their data as JSON inside the HTML. Reading that survives a redesign that breaks every class-name selector. Wed, 16 Sep 2026 00:00:00 GMT nadimtuhin@gmail.com (Nadim Tuhin) scrapingweb-scrapingpythondata-extraction