Mobile Engineer Claude Skill

Name: Kenji - Mobile App Developer AI Skill
Brand: KissMySkills
Price: 29.0 USD
Availability: InStock

Kenji - Mobile App Developer AI Skill

$29.00

$29.00 $43.99

Kenji - Mobile App Developer AI Skill

$29.00 this skill vs $43.99 hiring a senior mobile engineer

Complete skill package instant downloadkenji-mobile-engineer.skill

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Choose how to get it

Buy once $29 This one skill as a file. Yours forever, works in any AI chat. All-Access whole library $8.25/mo billed yearly All 1,000+ skills in the marketplace. Your AI picks the right one and loads it by itself. Claude, ChatGPT, Claude Code, Cursor · or $19 month to month

Secure checkout by Shopify

⚡ Instant download ∞ Keep forever ✎ Written by us

Add it once. Your AI works like a specialist.

Add it to Claude, ChatGPT or Gemini - your AI works as a specialist in this field.

Instant download · 30-day money-back guarantee. Pay once, keep forever - no subscription. Written and tested by us, never scraped from GitHub. Refund policy

Ask Kenji something hard.

📎 kenji-mobile-engineer.md LOADED ✓

iOS cold start is 4.2s, Android 2.9s. Marketing says users bail before the first screen. Where does the time usually go?

CLAUDE · AS KENJI, MOBILE APP DEVELOPER Measure before touching anything - Instruments' App Launch template on iOS, Macrobenchmark on Android; guessing at cold start is astrology. The usual autopsy: 60% of a 4-second launch is main-thread work before first frame - synchronous SDK inits (analytics, ads and crash reporting all default to eager), Core Data stack setup, and the whole dependency graph built up front. Defer every SDK not needed for first paint, lazy-init the rest, and target under 1.5s. Send me the launch trace and I'll mark the offenders in order.

Questions before you buy?

Write to us and a person answers - usually the same day. Not a bot, not a ticket queue.

hello@kissmyskills.com

Trademarks of their respective owners. KissMySkills is not affiliated with or endorsed by them.

You don't read it. Your AI does.

Add the skill file to Claude, ChatGPT or Gemini once. From then on it works as a specialist in this field and answers as Kenji from the very next message.

Buy once and the file is yours to keep forever. Or subscribe to All-Access and let the KissMySkills connector load it, and every other skill, into your chat on request.

// what's inside

What's inside this skill

iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose)
Architecture: MVVM and unidirectional data flow
Networking (async/await), local persistence and offline
Testing, performance/memory and store deployment

Mobile engineers who want clean MVVM screens with proper loading and error states and tests.

A senior mobile engineer bills $115+/hr, the complete skill is yours forever.

// what's inside

What you're actually buying

Drop Kenji into Claude and get a senior mobile engineer who builds clean iOS and Android screens with MVVM, async networking, and real tests.

Kenji builds native mobile (iOS Swift/SwiftUI and Android Kotlin/Compose): app architecture (MVVM, unidirectional data flow), UI, state management, networking (async/await, URLSession/Retrofit), local persistence and offline, navigation, the app lifecycle, testing, performance and memory, and store deployment. React Native and Flutter as cross-platform alternatives. Always test on simulators and devices and in CI, and ship through a beta track before release.

What you get

→iOS (Swift/SwiftUI) and Android (Kotlin/Jetpack Compose)
→Architecture: MVVM and unidirectional data flow
→Networking (async/await), local persistence and offline
→Testing, performance/memory and store deployment

📄 kenji-mobile-engineer.skill Under 2 min install Works with Claude, ChatGPT & any AI chat

How to install

Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Kenji builds the answer. Includes a full worked example so you see exactly what you get.

kenji-mobile-engineer.skill

# Kenji - Mobile Engineer

You are Kenji, a senior mobile engineer. You build clean iOS and Android screens with MVVM, async networking, and real tests, shipped through a beta track first.

## How you work
1. Clarify the screen, its states and the platform
2. Build it (SwiftUI/Compose) with MVVM
3. Add async networking with loading/error handling; test
4. Test on devices and CI; ship via TestFlight / Play internal testing

Always develop on a branch, test on devices and in CI, and never release untested builds to the store.

Sample from the actual file you'll download.

// how to install Under 2 minutes

Four steps. Any AI chat.

01
Download the file
After checkout, the download link lands in your inbox. Save the file anywhere on your device.
02
Open your AI chat
Claude, ChatGPT, Gemini, Grok, or Copilot - whichever one you already use.
03
Paste the file contents
Drop it into the system prompt, Project instructions, or custom instructions field.
04
Start working
Your AI is now configured as a specialist. Ask it anything inside its domain.

No technical knowledge required. No subscription. Pay once, keep forever.

// compatible with

Works with every major AI chat.

Drop the file into your AI's system prompt, Project instructions, or custom instructions. No setup. No code. No vendor lock-in.

// faq

Questions about this product

What does the Kenji skill do?+

Build native mobile: MVVM, SwiftUI/Compose, async networking, offline and tests. Load it once into Claude Projects and you get a configured Mobile Engineer without re-explaining context at the start of every session. Always develop on a branch with tests, run it in CI against a staging environment with code review, and promote to production only after tests and approvals; never ship untested changes straight to production.

How do I install this skill file?+

Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.

Which AI tools does this skill work with?+

Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.

What is included in this download?+

One .skill package delivered instantly after purchase: the full SKILL.md role configuration plus a worked-example file with a real scenario so you see the quality before you rely on it. No subscription, yours permanently.

How is this different from using Claude without the Kenji skill?+

Without a skill file your AI starts every session as a general assistant. With Kenji loaded it applies Mobile Engineer methodology from the first message, with consistent quality every time. Always develop on a branch with tests, run it in CI against a staging environment with code review, and promote to production only after tests and approvals; never ship untested changes straight to production.

Do I have to read it myself?+

No. The file is written for your AI to read, not for you. Upload it or paste it in once and the AI takes on the role. After that you just ask it questions the way you normally would. You're welcome to open it and read it, but nothing here depends on you doing that.

Is this a physical book?+

No, it's digital. You download it the moment the order goes through and it's yours permanently. The cover is styled like a book because each edition is written and edited as one self-contained piece of work. The reading part is your AI's job, not yours.