I Spent a Day Learning How the Linux Kernel Actually Works — Here's What Surprised Me MostMar 11, 2026·5 min read·4
Cloudflare Workers Load Balancer: How I Built a Free AWS ALB Alternative in 22 HoursThe pricing problem that would not leave me alone I have been working with Cloudflare Workers for a long time now. I have contributed to a few open source tools in the Workers ecosystem, deployed WorkApr 8, 2026·11 min read·1
How I Built an AI Tool to Refine Unclear PR Headings: Focus on "Added ConsoleAs a Full Stack Engineer, my time is limited. I maintain open-source projects, but I don't have hours to investigate vague Pull Requests. A few days ago, a contributor opened a PR on my repository.Title: "Added console".Description: Empty.Changes: 10...Jan 26, 2026·2 min read·8
Fixing Hoichoi's Device Management: A Hidden SOLID Principle in ActionToday was not meant to be educational. It was meant to be safe. I work as a full-time software engineer at Hoichoi, building backend systems that power a production platform used by millions — you probably know it as https://hoichoi.tv. And when you’...Jan 14, 2026·4 min read·10
Learning Reliable System Design from a Tiny API GlitchToday, I was working on an admin panel feature. Simple task.One button.One API. 👉 “Create Policy” I clicked the button. Policy created ✅Clicked again (by mistake)…Another policy created ❌Clicked again (slow network)…Boom — three duplicate records. N...Jan 11, 2026·3 min read·10
How MongoDB TTL Indexes Replaced Cron Jobs for Efficient Log CleanupEvery backend system that deals with logs eventually hits the same problem: Data keeps growing, storage keeps increasing, and nobody wants to own cleanup. In my case, it was DNS analytics logs in NexoralDNS. High-volume.Write-heavy.Low long-term va...Jan 3, 2026·3 min read·8
How I Resolved DNS Polling Issues with MongoDB Collection WatchMost engineers don’t “learn” advanced database features. They run into them after their system starts misbehaving. This is not a MongoDB tutorial.This is an honest account of how MongoDB collection.watch() (Change Streams) saved my NexoralDNS project...Jan 3, 2026·4 min read·4
Discovering Go and Real Systems: My 2025 Christmas Holiday ExperienceHolidays usually mean rest. For me, this one became a quiet reset—four days of learning, breaking things, debugging late-night bugs, and slowly moving forward. From 25th to 28th December 2025, I decided to use my free time intentionally. No pressure ...Dec 28, 2025·3 min read·9
