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𝗝𝗼𝗵𝗻 profile picture

𝗝𝗼𝗵𝗻

Full‑stack developer creating fast, modern, and refined applications. I focus on simplicity, performance, and real value for users.

Location Poland Joined Joined on Personal website https://github.com/johnnylemonny github website

Education

WIT Academy in Warsaw

Work

Independent developer, focusing on web projects

A Small Change to Your AI Coding Workflow: Ask for the Plan First
johnnylemonny profile

A Small Change to Your AI Coding Workflow: Ask for the Plan First

#ai#programming#productivity#tutorial
4
Comments
10 min read

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I Tried Vite+ Beta: Can One Tool Replace Your Frontend Toolchain?
johnnylemonny profile

I Tried Vite+ Beta: Can One Tool Replace Your Frontend Toolchain?

#vite#webdev#javascript#tooling
3
Comments
8 min read
7 New JavaScript Features in ECMAScript 2026 That Replace Everyday Workarounds
johnnylemonny profile

7 New JavaScript Features in ECMAScript 2026 That Replace Everyday Workarounds

#javascript#webdev#programming#node
5
Comments 2
8 min read
Passionaut: Turn Any Passion into an AI-Generated 3D Knowledge Atlas

DEV Weekend Challenge: Passion Edition Submission

johnnylemonny profile

Passionaut: Turn Any Passion into an AI-Generated 3D Knowledge Atlas

#devchallenge#weekendchallenge#threejs#nextjs
3
Comments
8 min read
Next.js Finally Fixed Caching (And My Database Is Sighing in Relief)
johnnylemonny profile

Next.js Finally Fixed Caching (And My Database Is Sighing in Relief)

#webdev#nextjs#react#javascript
4
Comments 9
3 min read
Stop Over-Optimizing Performance: The Modern Full-Stack Toolkit in 2026
johnnylemonny profile

Stop Over-Optimizing Performance: The Modern Full-Stack Toolkit in 2026

#webdev#javascript#react#architecture
4
Comments 6
3 min read
Stop Paying for GitHub Copilot: Build a Free, 100% Private AI Assistant Locally
johnnylemonny profile

Stop Paying for GitHub Copilot: Build a Free, 100% Private AI Assistant Locally

#ai#productivity#tooling#webdev
10
Comments 9
3 min read
Beyond Code Autocomplete: How to Build a Modern Agentic Workflow in 2026
johnnylemonny profile

Beyond Code Autocomplete: How to Build a Modern Agentic Workflow in 2026

#webdev#ai#productivity#architecture
2
Comments
3 min read
AI Can Build Your UI — But Can It Maintain It?
johnnylemonny profile

AI Can Build Your UI — But Can It Maintain It?

#ai#webdev#frontend#productivity
1
Comments 2
3 min read
Accessibility Is Not a Lighthouse Checkbox
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Accessibility Is Not a Lighthouse Checkbox

#a11y#webdev#html#frontend
Comments
3 min read
CSS Got Good While You Were Installing More Libraries
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CSS Got Good While You Were Installing More Libraries

#css#webdev#frontend#design
1
Comments
3 min read
TypeScript Won — Now Stop Using It Like Fancy JavaScript
johnnylemonny profile

TypeScript Won — Now Stop Using It Like Fancy JavaScript

#typescript#javascript#webdev#programming
1
Comments
3 min read
Cabal for Android: My First Native Kotlin P2P Chat App Reaches Its First Early Version
johnnylemonny profile

Cabal for Android: My First Native Kotlin P2P Chat App Reaches Its First Early Version

#kotlin#android#opensource#p2p
Comments
4 min read
Next.js Caching Is Hard Because You’re Thinking About It Too Late
johnnylemonny profile

Next.js Caching Is Hard Because You’re Thinking About It Too Late

#nextjs#react#webdev#performance
Comments
3 min read
React Is Not the Problem — Your Client-Side Mental Model Is
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React Is Not the Problem — Your Client-Side Mental Model Is

#react#webdev#javascript#performance
1
Comments
3 min read
Stop Shipping 700KB of JavaScript for a Button
johnnylemonny profile

Stop Shipping 700KB of JavaScript for a Button

#webdev#performance#javascript#frontend
1
Comments
4 min read
The AI Code Review Checklist I Use Before Merging Any TypeScript PR
johnnylemonny profile

The AI Code Review Checklist I Use Before Merging Any TypeScript PR

#ai#typescript#webdev#productivity
Comments
6 min read
How I Started Learning Kotlin by Building a Real Android App
johnnylemonny profile

How I Started Learning Kotlin by Building a Real Android App

#kotlin#android#beginners#mobile
1
Comments
6 min read
NatureNode: An AI-Powered Biodiversity Research Tool for Earth Day

DEV Weekend Challenge: Earth Day

johnnylemonny profile

NatureNode: An AI-Powered Biodiversity Research Tool for Earth Day

#devchallenge#weekendchallenge
1
Comments
3 min read
5 Developer Trends That Actually Matter in 2026 (Not Just the Hype)
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5 Developer Trends That Actually Matter in 2026 (Not Just the Hype)

#ai#github#webdev#security
3
Comments 2
6 min read
How to Build a Public Open-Source Project People Actually Want to Clone, Use, and Contribute To
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How to Build a Public Open-Source Project People Actually Want to Clone, Use, and Contribute To

#opensource#github#webdev#devops
1
Comments
6 min read
Working on Cabal v3: reviving a P2P mobile chat app with React Native
johnnylemonny profile

Working on Cabal v3: reviving a P2P mobile chat app with React Native

#reactnative#android#opensource#mobile
1
Comments
2 min read
From NASA Exoplanet Query to ExoVault: Building a Better Data Exploration Experience
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From NASA Exoplanet Query to ExoVault: Building a Better Data Exploration Experience

#opensource#webdev#astro#typescript
Comments
3 min read
From a Calorie Counter Prompt to a Local-First Nutrition Tracker
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From a Calorie Counter Prompt to a Local-First Nutrition Tracker

#opensource#webdev#react#buildinpublic
Comments 2
3 min read
I Built a Free Hydration Tracker with No Signup: Here’s What I Learned
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I Built a Free Hydration Tracker with No Signup: Here’s What I Learned

#showdev#webdev#react#typescript
Comments
3 min read
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