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Hello, I'm

Yasin Çetin

Computer Engineer & iOS Developer

Building scalable, user-centric iOS applications with Swift, SwiftUI, and UIKit.

About Me

Get to know me briefly

Yasin Çetin

I'm a Computer Engineering graduate from Trakya University, specializing in iOS development. I build native applications using Swift and SwiftUI.

I gained hands-on experience at high-traffic companies like Martı Technologies and DeFacto, working on modular architecture, third-party SDK integrations, and user interface development.

I prioritize clean code, SOLID principles, and testable architecture. I aim to write sustainable, readable code using OOP and Protocol Oriented Programming paradigms.

I leverage AI-assisted development tools like Claude Code and MCP at an engineering level to accelerate workflows, automate repetitive tasks, and maintain high code quality across projects.

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Internship

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Project

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Certificate

Experience

My professional work experience and internships

iOS Developer Intern

Martı Technologies
Internship
August 2025 — September 2025Istanbul, Turkey

Worked on chatbot integration, SDK management, and analytics infrastructure in the iOS team of Turkey's leading micro-mobility platform.

  • Led the end-to-end chatbot SDK integration, bringing user support flow into the mobile app
  • Resolved package incompatibility issues via Swift Package Manager, fixing Dark Mode transition bugs in map components
  • Integrated Amplitude, Insider, New Relic, and Firebase Crashlytics to strengthen analytics and crash reporting infrastructure
  • Developed responsive user interfaces using SnapKit for clean, maintainable programmatic Auto Layout
SwiftUIKitSnapKitSPMFirebase CrashlyticsAmplitudeNew Relic

iOS Developer Intern

DeFacto
Internship
August 2024 — September 2024Istanbul, Turkey

Developed iOS application modules with SwiftUI in the ECP Mobile department of Turkey's leading retail brand.

  • Built SwiftUI modules for the DeFacto iOS app using the MVVM design pattern
  • Actively participated in weekly Agile sprints and retrospective meetings, contributing to continuous improvement culture
  • Completed secure coding and Scrum methodology training programs
  • Created modular, testable architecture with SwiftUI and MVVM design pattern
SwiftSwiftUIMVVMAgileScrum

iOS Developer

Octopus Software
Internship
June 2024 — July 2024Istanbul, Turkey

Joined the team building an iOS application from scratch to digitize customer business processes.

  • Contributed to the architectural design and implementation of an iOS application built from the ground up
  • Built modular user interfaces using SwiftUI and MVVM design pattern
  • Integrated Firebase backend services including authentication, database, and storage
SwiftSwiftUIMVVMFirebase

Projects

Featured projects I've worked on

Zenjo Mahjong
mobile✦ Featured

A zen-themed, level-based Mahjong puzzle game with Japanese aesthetics and a relaxing gameplay experience.

SwiftSwiftUI
January 2026 — Present
CryptoTracker
mobile✦ Featured

A real-time cryptocurrency price tracking iOS application.

SwiftSwiftUIREST APIAlamofire+1
November 2025 — November 2025
ParkPing
mobile✦ Featured

An iOS app that helps users save their parking location and get directions back to their car.

SwiftSwiftUICore DataMapKit+1
September 2025 — September 2025
NutriWise
ai-ml✦ Featured

AI-powered calorie tracking app. Snap a photo of your meal to log calories automatically.

SwiftSwiftUICoreMLVision+1
June 2025 — July 2025
Stilist
mobile✦ Featured

An iOS wardrobe app that lets users create and manage outfit combinations.

SwiftSwiftUICore DataMVVM
November 2024 — Present

Education

My academic background and certifications

Trakya University

Bachelor's DegreeComputer Engineering

September 2021 — October 2025

Comprehensive education in software engineering, data structures, algorithms, object-oriented programming, artificial intelligence, and computer networks.

Certifications & Training

Model Context Protocol: Advanced Topics

Anthropic

March 2026

Introduction to Model Context Protocol

Anthropic

March 2026

Claude Code in Action

Anthropic

March 2026

Agile 101

Softtech

April 2025

iOS Programming with Swift 201

Turkcell Geleceği Yazanlar

July 2025

iOS Programming with Swift 101

Turkcell Geleceği Yazanlar

July 2025

SwiftUI + SwiftData Masterclass - iOS App Development Swift

Udemy

March 2024

FLO Technology Summit

Coderspace

May 2023

iOS & Swift - The Complete iOS App Development Bootcamp

Udemy

February 2023

iOS Programming with Swift

BTK Akademi

April 2022

Skills

Technologies and tools I use

iOS Development

SwiftSwiftUIUIKitCombineCore DataSwiftDataMapKitCoreMLVision

Libraries & SDKs

SnapKitAlamofireKingfisherPromiseKitFirebaseGoogle Maps

Architecture & Patterns

MVVMMVCSOLIDOOPPOPClean ArchitectureRepository PatternDependency Injection

Tools & DevOps

GitGitHubXcodeInstrumentsSPMCocoaPodsFastlaneXcode CloudTestFlightXCTestCrashlytics

AI & Automation

Claude CodeMCPPrompt EngineeringAI-Assisted Development

Cross-Platform & Methodologies

PythonFlutterTypeScriptNext.jsREST APIAgile/Scrum

Contact

Want to work together? Get in touch!

Location

Istanbul, Turkey