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halilyilmaaz/README.md

Halil Yılmaz

Mobile Developer @OnyxUP — Mobile Apps & AI-Powered Dev Workflows

5+ years building cross-platform & native apps.

GitHub Medium LinkedIn

Mobile Developer on a mission to build impactful applications and drive their long-term growth. Balancing in-house expertise in the fintech domain with agile freelance projects, I focus on turning complex financial architectures into seamless digital experiences.

What I'm building now

cross-mobil-team-plugin — an end-to-end Claude Code plugin for Flutter mobile development. A 6-agent team led by a senior mobile lead (mobile-lead, flutter-developer, backend-engineer, ui-ux-designer, security-engineer, aso-marketing), MCP integrations (context7, github, firebase), and token-saving hooks — all enforcing Clean Architecture, flutter_bloc, and a Firebase Cloud Functions proxy as binding project standards.

→ github.com/OnyxUP/cross-mobil-team-plugin

Also live: AeroPace, a pilot aptitude & cognitive evaluator built for cadet pilot selection prep — attention, memory, and spatial-reasoning training modules in a clean landscape UI, with subscription-based monetization.

→ AeroPace - App Store

What I believe

  • Clean Architecture isn't overhead — it's what keeps a 5-year-old codebase pleasant to work in.
  • Agent teams need markdowns, MCP's and hooks, not just longer prompts.
  • The best way to learn something properly is to write about it — and teach it.

Open-source work

Project What it does
cross-mobil-team-plugin Claude Code plugin — 6-agent Flutter team, MCP servers, token-saving hooks, Clean Architecture standards

Writing — "Team Management in the AI Era" (Claude Code series)

A 5-part series on Medium, walking from context mechanics all the way to a full plugin:

# Article
1 MCP — What is MCP
2 Hooks
3 Subagents
4 Background Agents & Agent Teams
5 Plugins — Final

Stack

Mobile      → Flutter, SwiftUI, Swift, Dart, Javascript, Phyton, Clean Architecture, flutter_bloc (Cubit/BLoC)
Backend     → Firebase (Cloud Functions, Firestore, Auth), Node.js
AI tooling  → Claude Code, multi-agent workflows, MCP, hooks

Connect

Pinned Loading

  1. Foody Foody Public

    Foody is a social media application where you can add recipes and search them by ingredients.

    Swift

  2. netflixClone netflixClone Public

    Basically Netflix iOS app clone.

    Swift 3 1

  3. fsocial fsocial Public

    Swift 2

  4. lean_slider lean_slider Public

    This is a flutter package that can be contains images and can be provide you carousel line slider

    Dart

  5. flutter_web_socket flutter_web_socket Public

    Created for this medium article "https://medium.com/@haliilylmaaz/how-to-use-websocket-and-getx-in-flutter-with-architecture-e293af87f5d3"

    Dart 3 1

  6. LoginJwt LoginJwt Public

    API for standart login/register scenario with jwt token.

    JavaScript