There Is No Perfect Solution in Software Development: Every Decision is a Tradeoff
Most bad decisions in software engineering aren't made because the engineer chose wrong between two clear options. They're made because the engineer d…
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The spec is in the wrong place
My day job is at a large tech company. Hundreds of engineering teams, and every one of them is somewhere different on AI adoption. Some are still trea…
Where have the bottlenecks gone?
AI coding, using AntiGravity or Claude Code, has significantly increased the productivity of your junior developers. Applications which used to be ‘lo…
AI - The Stock Market Hype and the Dangers of Sloppy Code
At this time, AI is still a business that largely survives on valuation rather than profitability. The narrative surrounding artificial intelligence i…
Behind the Green Tests: My Honest HNG Internship Experience
Over the past two years, I've been a laravel developer. I've been so stuck with this framework that I felt like I didn't know much about actual progra…
The Best Platform for Learning Programming in 2026 Isn't What You Think
Every year, millions of students open YouTube, find a Python tutorial, watch three hours of someone else coding, and then close the laptop feeling lik…
Two Bugs That Taught Me More Than Any Tutorial
Introduction I'm Calvin, a backend engineering intern at HNG, currently wrapping up HNG14. This post is about two tasks from the internship that genui…
I expected the cheaper model to be cheaper. It cost 8.6 more.
I'd routed the same one-word prompt to Claude Haiku and to Gemini 2.5 Flash. Flash has the lower per-token price, so this should have been an easy win…
It is one of the most frustrating experiences in online learning: you sit down to focus on a Udemy course, but the video player constantly pauses, freezes, or refuses to load. Meanwhile, YouTube, Netflix, and every other app on your Mac run perfectly fine.
How to Fix Udemy Videos Constantly Pausing on macOS (When Other Apps Work Fine) FOLASAYO SAMUEL OLAYEMI FOLASAYO SAMUEL OLAYEMI FOLASAYO SAMUEL OLAYEM…
Why Custom Software Projects Fail (And How to Avoid the Most Common Mistakes)
Why Custom Software Projects Fail (And How to Avoid the Most Common Mistakes) After working on software projects of different sizes, I've noticed that…
System Design - 17. Service Discovery & Service Mesh: How Thousands of Services Find Each Other
Covers: Client-Side vs Server-Side Discovery, Service Registries, Service Mesh (Istio/Envoy), Kubernetes DNS The Problem That Didn't Exist in the Mono…
System Design - 14. Event-Driven Architecture: Event Sourcing, CQRS, and the Outbox Pattern Explained
Event-Driven Architecture: Event Sourcing, CQRS, and the Outbox Pattern Explained Covers: Event Sourcing, CQRS, Outbox Pattern, Choreography vs Orches…
Stop Calling Yourself a Software Engineer If You've Never Shipped Anything
There's a quiet lie rotting at the heart of modern software development, and almost nobody wants to say it out loud: the industry is drowning in peopl…
8GB to 70B: A Real Hardware Guide for Local LLMs
The idea of running a local LLM (Large Language Model) has always appealed to me, especially concerning data privacy and cost control. However, when I…
Is Open Source Sustainable?
Since the beginning of my career, for a full 20 years, open-source solutions have been an indispensable part of my system architectures and software d…
An AI Module Smaller Than a Smartphone Photo. Are We Underestimating the Computer We Carry Every Day?
The Idea and the Main Engineering Challenges Recently, I released a new offline AI feature for my Android application as a separate module. The entire…
Hindu Festival Tithi Rules
I was migrating our regional calendar pages from hand-coded festival dates to engine-computed ones when I noticed Bhai Dooj 2026 was showing November …
Set Up Your Own ChatGPT: Ollama + Open WebUI for Data That Never
Set Up Your Own ChatGPT: Ollama + Open WebUI for Data That Never Leaves Home As artificial intelligence models rapidly integrate into our lives, priva…
What is utility-first software? (And why most tools ignore it)
There's a tool I used every day for two years. It did invoicing, project management, time tracking, client portals, proposals, contracts, team collabo…
RPGMapEditor.com: A Free Browser-Based Battle Map Maker for D&D and VTTs
Making a good tabletop RPG map should not require installing a heavy desktop app, learning a complex tool, or spending an hour just to draw a simple d…
Your Own Push System Instead of FCM/APNs: When Is It Necessary?
Building Your Own Push Notification System: When Is It Necessary? With the advent of mobile applications, the importance of instant communication with…
How I Bypassed SSL Pinning on the Cars24 Android App (Without Rooting My Phone)
I was building Unlist — a tool that surfaces hidden faults in used car listings on Spinny and Cars24. Spinny was easy: their web app makes API calls I…
Classes, Enums, and Records Look Like Simple Language Features — Until You Realize They Define Your Entire Domain Model
Classes, Enums, and Records Look Like Simple Language Features — Until You Realize They Define Your Entire Domain Model Why Senior .NET Engineers Spen…
I Got Tired of Bad Invoicing Tools So I Built My Own. Here's What Happened.
Every freelance developer I know has two things in common. They can build almost anything. And they absolutely hate doing their invoicing. I was no di…
How I Built a Python Backtesting Engine with 623 Tests
I spent the last year building a backtesting and live trading engine in Python. It started as a personal tool — I was tired of rewriting the same plum…
The Harness Is Now the Product
Has AI engineering just changed (again)? For the past year, most of us building with AI have been focused on one thing: getting better outputs from mo…
Flutter Icon Generation: One Codebase, Every Platform
Flutter's promise of "write once, run anywhere" is one of the most compelling propositions in modern mobile development. A single Dart codebase can pr…
Electron App Icons: Cross-Platform Desktop Icon Mastery
Electron has democratized desktop application development by allowing web developers to build for Windows, macOS, and Linux using the technologies the…
Not Everything Needs a Subscription - Small manifesto against renting software
Why I'm building OlympStack — tools you own, for developers who run their own infrastructure. A small manifesto against renting software you'll use un…
Writing Code Is Now The Easiest Part
In the early years of my career, as a developer, my biggest problem was always an if condition or a complex JOIN query in PostgreSQL . In my eyes, the…