Author

CodeTune

@codetune

articles: 28
total claps: 441
top claps: 139
avg read: 10.6 min
active: 2026-05-20 → 2026-08-07

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🌐 · Web Development · 24 💻 · Programming · 20 ⏱️ · Productivity · 8 EDU · Education & Learning · 3 🏛️ · Architecture · 3 GEN · Genomics & Sequencing · 2 🔧 · Data Engineering · 2 AI · AI · General · 2

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#software-engineering ·20 #programming ·19 #web-development ·17 #software-development ·16 #javascript ·9 #react ·8 #productivity ·7 #nextjs ·5 #backend-development ·4 #frontend-development ·3

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CO CodeTune · Skill Stuff

Things I Stopped Doing After Watching Senior Engineers Work

Senior engineers do not look senior because they write more code. They look senior because they avoid the expensive mistakes everyone else…

Jun 17, 2026 · 11 min read · 139 claps #coding #software-development #software-engineering

Things I Stopped Doing After Watching Senior Engineers Work

AI TCH

CO CodeTune · Skill Stuff

AI Can Generate Code, But It Cannot Make Engineering Decisions

AI can help you write code faster, but it cannot decide what the code should protect, where it should live, or what future cost the team is…

Jun 25, 2026 · 13 min read · 64 claps #artificial-intelligence #programming #software-engineering

AI Can Generate Code, But It Cannot Make Engineering Decisions

GEN TCH

CO CodeTune · Skill Stuff

Your Utility Folder Is Probably a Junk Drawer

Most utility folders do not become messy because developers are careless. They become messy because nobody decides what belongs there.

Jun 23, 2026 · 13 min read · 53 claps #programming #sofware-development #software-engineering

Your Utility Folder Is Probably a Junk Drawer

LIF TCH

CO CodeTune · Skill Stuff

The Refactor That Made Everything Look Better and Work Worse

The code looked cleaner after the refactor, but the system became harder to debug, harder to change, and easier to misunderstand.

Jul 13, 2026 · 9 min read · 48 claps #coding #productivity #programming

The Refactor That Made Everything Look Better and Work Worse

TCH

CO CodeTune · Skill Stuff

7 React Optimization Mistakes That Slow Real Applications

React optimization is not about adding memo, useMemo, and lazy loading everywhere. It is about finding the actual cost, removing bad…

Jun 09, 2026 · 10 min read · 30 claps #react #javascript #frontend-development

7 React Optimization Mistakes That Slow Real Applications

TCH

CO CodeTune · Skill Stuff

The Next.js Data Fetching Mistake That Hurts Performance

Most Next.js performance problems do not start with slow components. They start when developers fetch data from the wrong place, at the…

Jun 11, 2026 · 11 min read · 21 claps #nextjs #react #frontend-development

The Next.js Data Fetching Mistake That Hurts Performance

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CO CodeTune

8 Productivity Mistakes That Quietly Slow Developers Down

Developer productivity rarely dies in one obvious moment. It usually leaks through small habits that look harmless, professional, and even…

Jun 11, 2026 · 10 min read · 21 claps #software-development #developer-productivity #programming

8 Productivity Mistakes That Quietly Slow Developers Down

ART TCH

CO CodeTune · Skill Stuff

The Architecture Pattern That Created More Problems Than It Solved

It looked clean in diagrams, but every new feature had to pay for it.

Jul 05, 2026 · 12 min read · 18 claps #programming #software-architecture #software-engineering

The Architecture Pattern That Created More Problems Than It Solved

LIF TCH

CO CodeTune · Skill Stuff

What Actually Made Me Faster as a Developer

I became faster when I stopped optimizing for how quickly I wrote code and started reducing rework, wrong assumptions, and unnecessary…

Jul 16, 2026 · 10 min read · 11 claps #productivity #programming #software-development

What Actually Made Me Faster as a Developer

TCH

CO CodeTune · Skill Stuff

The Node.js Performance Issue Hidden in One Innocent Loop

The code looked clean in review, but every item waited for the previous one, and production traffic turned a simple loop into a bottleneck.

Jul 12, 2026 · 10 min read · 9 claps #nodejs #backend-development #software-development

The Node.js Performance Issue Hidden in One Innocent Loop

MDA HUM LIF TCH

CO CodeTune · Skill Stuff

Why Great Developers Build More Than They Consume

Reading, watching, and learning can make you informed. Building is what turns that information into engineering judgment.

Jun 24, 2026 · 12 min read · 8 claps #programming #software-development #software-engineering

Why Great Developers Build More Than They Consume

TCH

CO CodeTune · Skill Stuff

I Stopped Trusting Code Just Because It Looked Clean

Readable code can still hide dangerous assumptions when nobody checks what happens in production.

Jul 06, 2026 · 11 min read · 7 claps #coding #programming #software-development

I Stopped Trusting Code Just Because It Looked Clean

ART TCH

CO CodeTune · Skill Stuff

The React Architecture Mistake Behind Too Many Re-Renders

Too many re-renders are often blamed on React, but the deeper problem is usually a component tree that does not match how the application…

Jul 07, 2026 · 13 min read · 5 claps #react #web-development #programming

The React Architecture Mistake Behind Too Many Re-Renders

TCH LIF DSN

CO CodeTune · Skill Stuff

7 CSS Unit Mistakes That Break Responsive Interfaces

The problem is rarely the CSS unit itself. It is using the right unit for the wrong relationship.

Aug 07, 2026 · 10 min read · 5 claps #css #frontend #ux-design

7 CSS Unit Mistakes That Break Responsive Interfaces

ECO TCH LIF

CO CodeTune · Skill Stuff

Why Software Teams Stay Busy but Ship Slowly

The problem is rarely laziness. It is context switching, unclear ownership, vague requirements, and codebases that make every small change…

Jun 21, 2026 · 14 min read · 1 claps #programming #software-development #sofware-engineering

Why Software Teams Stay Busy but Ship Slowly

ART TCH

CO CodeTune · Skill Stuff

The Backend Scaling Checklist I Wish I Had Earlier

Most backend scaling problems do not start when traffic grows. They start when small decisions quietly become permanent architecture.

Jun 08, 2026 · 9 min read · 1 claps #backend-development #nodejs #programming

The Backend Scaling Checklist I Wish I Had Earlier

AI HUM TCH SCI

CO CodeTune · Skill Stuff

Why Most Developers Waste Hours Debugging Small Problems

Most developers do not lose hours because the bug is hard.

May 20, 2026 · 13 min read · 0 claps #education #ai #computer-science

Why Most Developers Waste Hours Debugging Small Problems

TCH

CO CodeTune · Skill Stuff

The Scalable Next.js Folder Structure Every Large Project Needs

Most Next.js projects do not become messy because Next.js is complicated.

Jun 15, 2026 · 12 min read · 0 claps #nextjs #javascript #web-development

The Scalable Next.js Folder Structure Every Large Project Needs

TCH

CO CodeTune · Skill Stuff

The JavaScript Cleanup Checklist I Wish I Had Earlier

JavaScript cleanup is not about making code look pretty. It is about removing hidden confusion before it turns into bugs, slow reviews…

Jun 10, 2026 · 11 min read · 0 claps #javascript #clean-code #software-development

The JavaScript Cleanup Checklist I Wish I Had Earlier

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CO CodeTune · Skill Stuff

The Hidden Cost of Making Everything Generic

Generic code feels reusable at first, but too much flexibility can hide intent, spread complexity, and make simple changes harder than they…

Jul 09, 2026 · 11 min read · 0 claps #clean-code #programming #technology

The Hidden Cost of Making Everything Generic

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CO CodeTune · Skill Stuff

Most Developers Store Tokens Like a Todo App

Authentication tokens are not frontend state. Treat them like harmless strings, and one small browser bug can become a full account…

Jun 16, 2026 · 11 min read · 0 claps #web-development #programming #software-engineering

Most Developers Store Tokens Like a Todo App

TCH

CO CodeTune · Skill Stuff

Most Next.js Performance Problems Start With One Decision

Most Next.js performance problems do not start with slow code. They start with one quiet decision: putting too much responsibility on the…

Jun 12, 2026 · 11 min read · 0 claps #react #nextjs #web-performance

Most Next.js Performance Problems Start With One Decision

TCH

CO CodeTune · Skill Stuff

The Frontend Bug That Only Happened for Real Users

The code worked in development because our environment was clean, fast, and predictable. Real users brought the conditions our tests never…

Jul 17, 2026 · 10 min read · 0 claps #front-end-development #programming #software-engineering

The Frontend Bug That Only Happened for Real Users

TCH

CO CodeTune · Skill Stuff

The Mistake That Made Server and Client Logic Fight Each Other

The bug did not come from the server or the client alone. It came from letting both sides believe they owned the same decision.

Jul 14, 2026 · 10 min read · 0 claps #front-end-development #backend-development #programming

The Mistake That Made Server and Client Logic Fight Each Other

LIF TCH

CO CodeTune · Skill Stuff

9 Simple Coding Rules That Made Me a Better Developer

None Not the rules they teach you. The ones you learn after your third production incident at 2am.

Jun 15, 2026 · 9 min read · 0 claps #programming #software-development #software-engineering