Nadim Tuhin 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) Thu, 27 Aug 2026 00:00:00 GMT https://www.nadimtuhin.com/blog/pathao-tickets-replacing-zendesk Pathao Tickets: replacing Zendesk with a patched open source helpdesk https://www.nadimtuhin.com/blog/pathao-tickets-replacing-zendesk Pathao support ran on Zendesk. We patched an open source helpdesk for ticketing, live chat and automations at roughly a third of the Zendesk bill. Thu, 27 Aug 2026 00:00:00 GMT nadimtuhin@gmail.com (Nadim Tuhin) open-sourceself-hostingcustomer-supportcostcase-study https://www.nadimtuhin.com/blog/pathaotalk-moving-off-workplace-chat PathaoTalk: how we moved a whole company off Workplace Chat in a month https://www.nadimtuhin.com/blog/pathaotalk-moving-off-workplace-chat Workplace Chat had no markdown, snippets or integrations and cost thousands a month. Self-hosted Mattermost replaced it in about a month and saved around $10K a month. Wed, 19 Aug 2026 00:00:00 GMT nadimtuhin@gmail.com (Nadim Tuhin) mattermostself-hostingengineering-culturecostcase-study