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Hilal Ahmad Khan

@codingzest

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🎯 Code • Build • Learn
🧑🏻‍💻 Software Engineer in KSA 🇸🇦
🚀 Laravel | React | Flutter | Android
💜 Helping Developers Grow
📩 Open for Collab

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Turning lines of Dart code into functional mobile apps 💻✨ #FlutterDev #DartLang #MobileAppDevelopment #VSCode #iOSDev SoftwareDeveloper CodingLife FlutterCommunity by @codingzest

66

0

20 days ago

Which backend should power your Flutter app? ⚡️
There is no “one-size-fits-all” answer—the right choice completely depends on your project’s needs, structure, and scale! 🚀
Here is a quick breakdown to help you pick the perfect fit:
🚀 Firebase — Best when speed matters most (MVPs, Chat Apps, Startups).
🗄 Supabase — Best when your data model matters (SQL, SaaS, E-commerce).
🎯 Serverpod — Best when you want one language (Dart) end-to-end.
🐸 Dart Frog — Best when you need a lightweight, simple API.
⚙️ Custom API (Node / Python / Go) — Best when your app needs full control & flexibility.
📌 Save this cheat sheet for your next Flutter build!
👇 Which backend are you currently using for your projects? Let us know in the comments!
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#flutter #flutterdev #dart #backend #appdevelopment mobiledeveloper firebase supabase serverpod dartfrog nodejs python golang fullstack fullstackdev coding softwareengineer techcommunity developer coder codinglife codingzest webdev fluttercommunity by @codingzest

14

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a month ago

Flutter just had a glow-up 🚀💙

The Flutter engine is evolving, and these changes are going to impact how we build, debug, and optimize apps.

⚡ Impeller
📦 Packages
🛠️ DevTools
🎨 Better UI possibilities

If you’re still following old Flutter tutorials, it might be time for an update 👀

Save this post and share it with a Flutter developer 🔥

#Flutter #FlutterDev #FlutterDeveloper #Dart #mobiledevelopment by @codingzest

13

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a month ago

AI generated code can work.

And still be unsafe to ship.

Before I keep AI generated code in a real app, I check:

1. Secrets
API keys, tokens, passwords, and privileged backend credentials should not end up hardcoded in source control.
GitHub treats committed credentials as a real secret leakage risk.

2. Authorization
Hiding an admin button does not secure an admin API.
Important access rules belong on the backend too. OWASP identifies broken object-level authorization as a major API risk.

3. Dependencies
I check whether the suggested package is:
Current
Maintained
Actually needed
Compatible
Free from known security issues
For Flutter:
dart pub outdated
helps identify outdated dependencies.

4. Architecture
If my app uses:
View → ViewModel → Repository → Service
I do not want generated code calling APIs directly from random widgets.
Flutter’s architecture guidance recommends clear separation between UI and data responsibilities.

5. Null + unexpected data
Null safety helps.
But APIs can still return missing, empty, old, or unexpected data.
Test those states too.

6. Edge cases
Do not test only:
Success.
Test:
→ Empty input
→ Wrong credentials
→ Timeout
→ Offline
→ Expired session
→ API failure
→ Duplicate action
→ Unexpected response

7. Permissions
Do not request camera, location, storage, notifications, or other access just because generated code suggests it.
Android recommends checking whether a permission is actually necessary first.

8. Tests
Unit tests
Widget tests
Integration tests
Flutter supports all three for validating different levels of behaviour.

The biggest rule:
If I cannot explain the generated code, I do not consider it production ready.

AI can write code quickly.

Engineering judgment decides whether that code belongs in the product.

Save this AI code review checklist.

#rahimdev #sparkdevx #flutter #aicoding #flutterdeveloper taken in Islamabad, Pakistan by @codingzest

74

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2 months ago

Debugging and resolving merge conflicts

Do you guys like resolving merge conflicts? 😂

#softwareengineer #developerlife #mobileapps #mobileappdevelopment #programming by @codingzest

33

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2 months ago

6 useful app ideas built around real workflows.

Not random concepts.

Each one solves a problem people already manage manually.

1. Warranty Wallet Basic · 1–2 weeks
2. Shift Handover Basic · 1–2 weeks
3. CareCircle Medium · 3–4 weeks
4. Delivery Proof Hub Medium · 3–4 weeks
5. Construction Punch Hub Advanced · 5–7 weeks
6. Wholesale Order & Credit Advanced · 5–7 weeks

These timelines are for focused MVP versions.

Features like admin panels, offline mode, multiple roles, advanced reports, payments, and third-party integrations can increase development time.

A useful app idea should answer three questions:

Who is the user?
What repeated problem do they have?
How can the app make that workflow simpler?

Which app would you build first?
Save this post for later.
https://rahimdev.net/services/mobile-app-development
@rahimdev_  
#rahimdev #sparkdevx #appideas #mobileapp #mvp taken in Islamabad, Pakistan by @codingzest

341

1

3 months ago

After 200+ app projects, these are the mistakes I see delaying launches again and again:

1. Building features before defining the problem
2. Starting with the full app instead of a focused MVP
3. Choosing technology before understanding the product
4. Forgetting the backend and admin system
5. Testing only after development is finished
6. Treating payments like a simple button
7. Keeping ownership and account access unclear
8. Preparing publishing requirements too late

A better process is:

→ Problem → User flow → MVP → Tech stack → Development → Testing → Publishing → Launch

The goal is not to build the biggest version first.

The goal is to build the right first version, launch it properly, and improve it with real feedback.

Which topic should I explain next?

A — MVP B — Tech stack C — Backend D — Testing E — Payments F — Publishing

Comment your letter below.
@rahimdev_  

https://rahimdev.net/services/mobile-app-development
#rahimdev #sparkdevx #appdevelopment #mobileapp #mvp taken in Islamabad, Pakistan by @codingzest

30

2

3 months ago

A small milestone in my journey as a Software Engineer.

For the last 5+ years, my primary focus has been mobile application development. Recently, I decided to step outside my comfort zone and dive deeper into backend development.

This week, I successfully deployed two production backends on an Ubuntu VPS:

✅ Laravel API with MySQL
✅ NestJS API with PostgreSQL

Along the way, I learned a lot about:

* Server provisioning
* Nginx configuration
* PHP-FPM & PM2
* SSL setup
* Database configuration and migrations
* Production deployment and troubleshooting

As a mobile developer, understanding how to build and deploy the backend that powers my apps gives me much more confidence as a full-stack engineer.

A special thanks to my friend @ahmadjanan_ , a talented Senior Backend Engineer, for helping me throughout the entire process. I truly appreciate your support! 🙌

Learning never stops. On to the next challenge! 🚀

#devops #backenddeveloper #laravel #nestjs #php by @codingzest

25

1

3 months ago

iOS 27 is bringing some genuinely useful iPhone upgrades: smarter Siri AI, adjustable Liquid Glass, better parental controls, separate alarm volume, custom AirPods EQ, drawing inside Messages, better AI images, richer Maps flyovers, and AI photo reframing.
Some are small. Some are actually worth using. And yes, separate alarm volume should have happened years ago.
Swipe through the full list and save this for later.
Which iOS 27 feature would you try first?
#iOS27 #iPhoneTips #AppleNews #TechNews appleintelligence by @codingzest

24

2

3 months ago

MVP vs Full App.

This is where many app ideas get stuck.

A full app sounds better…

But the first version should not include everything.

Your MVP should focus on:

→ Main user flow → Core feature → Basic login if needed → Simple backend → Essential admin control → Testing → Launch-ready version

Your full app can come later with:

→ Advanced dashboard → AI features → Chat → More user roles → Reports → Complex payments → Automation → More integrations

The goal is simple:

Launch the first useful version. Learn from real users. Then build Phase 2 properly.

Do not build the biggest version first.

Build the version that proves the idea.’

Question:

What feature do most founders add too early?

Need help planning your MVP?
https://rahimdev.net/services/mobile-app-development
@rahimdev_  
#rahimdev #sparkdevx #mvp #appideas #appdevelopment taken in Islamabad, Pakistan by @codingzest

123

7

3 months ago

Flutter vs KMP.

Same goal. Different strategy.

Both can help you build for Android and iOS, but they are not the same.

Flutter is usually better when you want:
• One shared UI • One codebase • Faster MVP delivery • Consistent Android and iOS design • One team building both apps • Smooth product flow across platforms

Kotlin Multiplatform is usually better when you want:
• Shared business logic • Native Android and iOS UI • Shared API layer • Shared models and validation • Existing Kotlin code reuse • Platform specific control

Simple rule:

Flutter shares the app experience. KMP shares the product logic.
Neither is automatically better.

The right choice depends on your product, team, budget, and roadmap.

Need help choosing the right mobile stack?
https://rahimdev.net/services/mobile-app-development
@rahimdev_  
#rahimdev #sparkdevx #flutter #kotlin #kmp taken in Islamabad, Pakistan by @codingzest

220

5

3 months ago

Samsung just sent a message to the entire AI market.

For the last two years, everyone watched NVIDIA as the face of the AI boom.

But now, the profit engine is shifting.

Samsung’s Q2 2026 operating profit guidance hit KRW 89.4T, while NVIDIA’s latest reported GAAP operating income was $53.5B.

The real takeaway?

AI is no longer just about GPUs.
It is about the full infrastructure stack: HBM memory, AI servers, data centers, packaging, cooling, and supply chains.

The companies powering AI behind the scenes may become the next big winners.

Follow for daily AI, tech, chip, and business breakdowns.
Comment “MEMORY” if you want a simple HBM explainer.

What do you think: is memory becoming the new king of AI infrastructure?

Sources: Samsung Global Newsroom, NVIDIA Q1 FY27 Results.

#Samsung #NVIDIA #AI #ArtificialIntelligence #TechNews by @codingzest

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3 months ago