Mustafa Mert Erden

• Works as an iOS developer on the Turkish Airlines iOS, watchOS, and widget apps; contributes to a product used by millions of passengers.
• Took part in the app's transformation project, contributing to Live Activities, home screen widgets, a watchOS companion app, Control Center widgets, and Siri integration.
• Contributed alongside the team to modernization work on the legacy Objective-C project: Coordinator pattern adoption, migration of UITableView/UICollectionView to Diffable Data Source, XCConfig migration, CocoaPods to SPM transition, and extraction of shared code into independent frameworks.
• Contributed to a reusable SwiftUI component library built with a design token system, accessibility support, and 3-layer testing (ViewInspector + Snapshot + Unit).
• Built a 59-tool MCP server for iOS Simulator and Android Emulator interaction and published it on npm; used to support AI-assisted mobile development workflows.
• Took part in the gradual migration of Objective-C modules to Swift/SwiftUI while keeping production stable.

• Took part in the e-Trader stock trading app's POC efforts, including the migration of the legacy codebase to Swift/SwiftUI with MVVM.
• Worked as a developer on the Garanti BBVA main banking app (Objective-C & Swift), one of the top Turkish banking apps with millions of active users.
• Delivered work on both projects in cross-functional Agile/Scrum teams following SOLID principles.

• Transitioned from the hybrid team to focus on native iOS for the VakifBank Mobile Banking app.
• Took part in setting up MVVM + Clean Architecture with Strategy, Observable, and State behavioral patterns during the app renewal.
• Took part in the CI/CD pipeline work with Jenkins and Fastlane, and in the enforcement of code quality rules through SwiftLint.

• Developed native iOS and Android bridge plugins for Cordova, enabling hybrid web layer to communicate with platform-specific APIs.
• Developed backend services with .NET Core, built frontend interfaces with HTML/CSS, JavaScript, and AJAX for real-time data operations.
• Contributed to the migration from hybrid to native architecture, transitioned to dedicated iOS role.
• Tech: Cordova, JavaScript, .NET Core, HTML/CSS, AJAX, Swift, Git, Jenkins.

• Managed application availability, root cause analysis, and incident resolution for production systems.
• Wrote shell scripts for performance monitoring and proactive issue prevention.

• Built a web application for Project and Request Management using MVC pattern with HTML5, CSS, ASP.NET, and T-SQL.

• Built a reservation log analysis application with Java and PL-SQL in the Reservation Solutions department.

• Built a credit card process tracking web form application with C# in the Card Printing and Processes department.

Turkish Airlines iOS, watchOS, and widget apps, used by millions of passengers. Contributed to the app's transformation project, including Live Activities, Control Center widgets, and Siri integration.

Swift, SwiftUI, Objective-C, watchOS, WidgetKit, Live Activities

One of the top Turkish banking apps. Worked as a developer on the main mobile banking application.

Swift, Objective-C

Stock trading app. Took part in the POC efforts and in the migration from the legacy codebase to Swift/SwiftUI.

Swift, SwiftUI

VakifBank Mobile Banking app. Took part in the migration from hybrid Cordova to native Swift; contributed to setting up MVVM + Clean Architecture and building the CI/CD pipeline with Jenkins + Fastlane.

Swift, .NET Core, CocoaPods, Fastlane

Contributed during the hybrid phase. Built frontend interfaces with HTML/CSS, JavaScript, and AJAX using Cordova bridging to native Android layer.

Cordova, JavaScript, .NET Core, HTML/CSS, AJAX

Free music player on the App Store with 150M+ songs, 18K+ reviews, 4.3 rating. Features: 10-band equalizer, synced lyrics, watchOS companion, home screen widgets, background playback.

Swift, SwiftUI, UIKit, watchOS, WidgetKit, Firebase, AdMob

Android counterpart of Musicamp. Free music player on Google Play with 150M+ songs. Trending charts, smart search, custom playlists, favorites, background playback with MediaSession, song quality settings. 175 Kotlin files, 3 build flavors.

Kotlin, MVVM, Hilt, ExoPlayer, Room, Retrofit, Coroutines, Firebase, AdMob

13-module Swift SDK mono-repo for production iOS apps. Networking, MVVM-C architecture, design system, StoreKit 2 subscriptions, data persistence, auth + biometrics, and more. 12/13 modules zero-dependency. Swift 6 Strict Concurrency, 1070+ tests.

Swift 6, SwiftUI, SPM, Strict Concurrency

Kotlin SDK mono-repo for production Android apps. Networking with Retrofit + OkHttp, MVVM architecture, Hilt DI, Room persistence, DataStore preferences, Firebase suite, and more.

Kotlin, Jetpack Compose, Hilt, Room, Retrofit, Coroutines

MCP server with 59 tools for AI-assisted mobile development. Screenshot, tap, swipe, accessibility audit, store compliance checks for iOS Simulator and Android Emulator. Published on npm, works with 6 AI editors.

Node.js, TypeScript, MCP Protocol, xcrun simctl, ADB

9-phase AI development pipeline automating analysis, planning, TDD, 3-model parallel code review with Opus triage, wiki auto-generation, and commit/PR creation. 62 unit tests, 10 smoke suites, 10 adversarial eval fixtures, 6 specialized sub-agents, symlink install mode.

Node.js, Claude Code, Copilot CLI, GitHub Packages

AI skill (900+ line SKILL.md) that teaches AI assistants to build custom screenshot generators, not templates. Generates unique JSX with CSS device frames, marketing copy, and multi-language support.

Next.js, html-to-image, CSS Device Frames

9-package TypeScript SDK mono-repo for NestJS + Fastify backends. Request context, structured logging, AES-256-GCM encryption, Zod validation, Redis distributed locks, JWT auth, Prisma lifecycle. 7/9 packages zero-dependency. 161 tests.

TypeScript, NestJS 11, Fastify 5, Turborepo, Vitest

9-package TypeScript SDK mono-repo for React 19 + Next.js 16 frontends. Type-safe API client with SSE, React hooks library, UI component library, Zustand store factories, Zod + react-hook-form validation, auth provider, TanStack Query factories. 7/9 packages zero-dependency.

TypeScript, React 19, Next.js 16, Tailwind CSS 4, TanStack Query 5, Zustand 5