A personal engineering notebook — essays and field notes on software, product, and the occasional life lesson, by Md Mahedi Zaman Zaber.https://notes.zaber.dev/en-ushello@zaber.dev (Md Mahedi Zaman Zaber)https://notes.zaber.dev/notes/engineering/building-a-distributed-cache-part-2/https://notes.zaber.dev/notes/engineering/building-a-distributed-cache-part-2/Part two of the distributed cache series — implementing consistent hashing and proving, with a test, that a node can leave without losing data.Tue, 17 Feb 2026 00:00:00 GMTdistributed-systemscachingengineeringtestinghttps://notes.zaber.dev/notes/engineering/building-a-distributed-cache-part-1/https://notes.zaber.dev/notes/engineering/building-a-distributed-cache-part-1/The first part of a series on building a distributed cache from scratch — starting with the design decisions that everything else depends on.Tue, 03 Feb 2026 00:00:00 GMTdistributed-systemscachingengineeringhttps://notes.zaber.dev/notes/engineering/why-i-stopped-writing-clever-code/https://notes.zaber.dev/notes/engineering/why-i-stopped-writing-clever-code/Clever code feels great to write and terrible to maintain. Here's what changed my mind, and the three questions I ask before landing anything tricky.Wed, 14 Jan 2026 00:00:00 GMTengineeringcode-qualitycrafthttps://notes.zaber.dev/notes/career/what-nobody-tells-you-about-freelancing/https://notes.zaber.dev/notes/career/what-nobody-tells-you-about-freelancing/The parts of freelancing that don't make it into the highlight reels — scope creep, feast-or-famine cash flow, and the emotional cost of being your own sales team.Sat, 08 Nov 2025 00:00:00 GMTcareerfreelancinghttps://notes.zaber.dev/notes/life/on-questioning-your-own-defaults/https://notes.zaber.dev/notes/life/on-questioning-your-own-defaults/Most of what feels like a personal choice is actually an inherited default. A short note on noticing the difference.Fri, 22 Aug 2025 00:00:00 GMTlifereflection