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available for hire · Germany

Eyup Cimen.

● Open to work No notice period 📍 Weil der Stadt, BW 🇩🇪 Work permit ✓ Swift · SwiftUI · AI
→ Contact me GitHub ↗ X ↗
12+
years experience
15+
apps shipped
99.8%
crash-free rate
5+
industries
01

Technical Skills

Swiftexpert
SwiftUIexpert
UIKitexpert
Objective-Cexpert
MVVM / VIP / MVCexpert
VIPER / MVPadvanced
Protocol-Oriented Programmingexpert
Swift Package Manageradvanced
Async/Await · GCDadvanced
ARKit · RealityKitadvanced
Firebase · Crashlyticsadvanced
RxSwift · Combineadvanced
Realm · CoreDataadvanced
REST API · GraphQLadvanced
Bitrise CI/CDadvanced
n8n Automationadvanced
Next.js · TypeScriptintermediate
Supabase · pgvectorintermediate
LLM Prompt Engineeringadvanced
Claude API · OpenAI APIadvanced
Vibe Coding / AI-assisted devadvanced
02

Experience

Career Development — Germany Integration
Technical Growth · AI Tooling · German Language Certification
Jun 2023 — PresentStuttgart, Germany
Swift / SwiftUIVibe CodingClaude APIn8nNext.jsGerman B1
  • Relocated to Germany — completed cultural and professional integration into the German tech ecosystem.
  • Maintained and deepened iOS expertise through personal projects, platform updates (Swift 5.9+, SwiftUI), and vibe coding workflows using LLM APIs and Cursor.
  • Built LegalVector — a RAG-based lawyer knowledge portal (Next.js, Supabase, pgvector, Claude API) as a full-stack learning project.
  • Explored AI automation tooling: n8n workflows, OpenAI Vision, Veo3/Sora pipelines — hands-on with emerging agentic and content automation patterns.
  • Achieved German B1 certification (DTZ), actively working toward B2.
Ozan SuperApp
Senior iOS Developer
Apr 2022 — Jun 2023Istanbul, Turkey
SwiftUIMVVMSwift Package ManagerFirebaseAlamofireBitrise CI/CD
  • Implemented 8 major features — Hotel Booking, Bill Payment, Cashback, ReceiptScan and more — using SwiftUI.
  • Swift Package Manager modularization: +20% performance, −30% build time.
  • Bitrise CI/CD + code reviews: production bugs down 17%.
Roofstacks
Senior iOS Developer
Oct 2021 — Apr 2022Istanbul, Turkey
Clean Swift (VIP)RxSwiftRealmFirebase CrashlyticsMoya
  • Released Bilet Dukkani — low-cost flight app. Wallet feature: ticket purchasing 35% faster.
  • Crashlytics: performance +11%. Review cycle improved 23%.
Ipucu Software
Senior iOS Developer
Dec 2020 — Oct 2021Istanbul, Turkey
XMPP ProtocolRealmMultithreading / GCD
  • Built real-time messaging (WhatsApp-style) inside a fintech payment app using XMPP. Realm: 45% faster loading.
  • In-chat financial features: money transfer, family accounts, shared payments.
Globme
Senior iOS Developer
Mar 2020 — Dec 2021Istanbul, Turkey
MVVMGraphQLNFC / BLE / QRAVFoundation
  • Idenfit HR app — attendance, shifts, leaves via Bluetooth, NFC, QR, and RFID.
  • Task App & Audit App — built from scratch, task creation, assignment, inspection flows.
Leo AR
Senior iOS Developer · Remote
Oct 2019 — Mar 2020San Francisco, USA
ARKitRealityKitMotion Capture APIReact NativeUnity
  • Motion Capture feature — recorded ~60 million dance movements. Integrated native module into React Native project.
Medyasoft Digital
Senior iOS Developer
Jan 2019 — Oct 2019Istanbul, Turkey
Auto LayoutiPad / iPhonePerformance
  • Turkish Airlines Cargo Portal (COMIS) — multiple modules, memory fixes, +21% performance.
  • Turkish Doco (Meal Reporting) — operations 25% faster.
Odeal
Senior iOS Developer
Jan 2018 — Dec 2018Istanbul, Turkey
MVCCrashlyticsFintech
  • App stability +30%. Crash-free rate: 86% → 99.8%.
Pordiva Mobile System
iOS Developer
Jul 2016 — Dec 2017Istanbul, Turkey
SwiftObjective-CXMPPRealmMapboxFenerbahçe SKCocaColaVolkswagen
  • Viatori (social media) — XMPP messaging, Realm 55% faster. Fenerbahçe SK & CocaCola One Team apps.
  • Turkish Airlines Skylife Magazine — from scratch in 3 months. Mapbox, offline maps, OneSignal.
  • Isim Tescil (domain app) — built from scratch in 1 month.
Freelance
iOS Developer
Apr 2012 — Jul 2016Samsun, Turkey
Objective-CMVCApp StoreDHL
  • Patient Tracking, Radio App, Online Exam, Pictionary Diary — foundation of a 12-year iOS career.
  • DHL Human Resource App — built from scratch. Enterprise-grade first experience with corporate clients.
03

AI & Automation Projects

⚡
n8n AI Content Pipeline
End-to-end YouTube automation — Veo3/Sora video generation to upload. OpenAI Vision hook analysis, Google Sheets queue.
n8nVeo3/SoraOpenAI VisionGoogle Sheets
🔍
LegalVector — Lawyer Portal
RAG-powered legal knowledge base. Lawyers upload docs, users ask — Claude answers with citations. pgvector for semantic search.
Next.jsSupabasepgvectorClaude API
🤖
Vibe Coding & AI-Assisted Dev
Full products at speed with Claude, Cursor, LLM APIs. Structured output parsing, multi-agent workflows, prompt engineering.
Claude APICursorPrompt Eng.MCP
🛠️
iOS Platform Deep Dive
Hands-on exploration of Swift 5.9+, SwiftUI updates, async/await patterns, and Swift Package Manager modularity during career development period.
Swift 5.9+SwiftUIAsync/AwaitSPM
04

Education

BSc Applied Physics
Kahramanmaraş Sütçü İmam University
2003 – 2008
05

Contact

Emailcmneyp@gmail.com X / Twitter@eyupcimen GitHubgithub.com/eyupcimen
LocationWeil der Stadt, DE 🇩🇪
Work AuthorizationResidence + Work Permit ✓
AvailabilityImmediate · No notice period