@devFresher
About
Usman Soliu, a seasoned software engineer with a career spanning over six years, has devoted more than three years to constructing robust backend applications. Beyond the corporate sphere, he actively contributes to open-source projects, showcasing a commitment to collaborative innovation.
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Usman Soliu's blogs
Recently published
You Can Build Fast With AI. But Would You Survive Production?
Jan 27 · 4 min read · Let me say this plainly. Being able to build a project fast with AI does not make you a senior engineer. It just means you can move fast. And speed, on its own, has never been the definition of experience. Today, you can scaffold an app in a weekend....
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Solutions to Dirty Read Concurrency Problem
Sep 27, 2025 · 4 min read · This article is part of my concurrency series where I break down common problems like race conditions, dirty reads, phantom reads, and deadlocks in simple, glocal terms. Again, system design is not something to joke with as a backend engineer.One of ...
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Building a Notification System in NestJS - Part 2
Sep 25, 2025 · 8 min read · In Part 1 of this series, we built the foundation of an event-driven notification system in NestJS. Events are emitted, jobs are queued with BullMQ, and workers process them in the background. That gave us a clean and fast system, where sending a not...
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Building a Notification System in NestJS – Part 1
Sep 25, 2025 · 5 min read · Notifications are everywhere. Whether it’s an email about a new transaction, a push alert from your favorite app, or an in-app bell icon lighting up, notifications are a big part of how apps keep users engaged. In this series, I’ll Walk you through h...
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