<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Joy Biswas — Writing</title><description>Notes on building web apps, APIs and data products by Joy Biswas, a full-stack developer in Chittagong, Bangladesh.</description><link>https://joybiswas.com/</link><language>en</language><item><title>Running a paid product solo: billing, entitlements and support on Humanizely</title><link>https://joybiswas.com/blog/running-humanizely-solo/</link><guid isPermaLink="true">https://joybiswas.com/blog/running-humanizely-solo/</guid><description>What building and operating Humanizely taught me about subscriptions, entitlements and support — the parts a demo never reaches.</description><pubDate>Sun, 01 Nov 2026 00:00:00 GMT</pubDate></item><item><title>How I built PriceLens and what the dataset contains</title><link>https://joybiswas.com/blog/how-i-built-pricelens/</link><guid isPermaLink="true">https://joybiswas.com/blog/how-i-built-pricelens/</guid><description>The scraper, the queue, the quality flags and the decisions behind a panel of 1.27 million electronics prices from Bangladeshi retailers.</description><pubDate>Wed, 21 Oct 2026 00:00:00 GMT</pubDate></item></channel></rss>