Freelancer profile translated to English.

Description

Senior iOS Engineer with over 15 years of experience in developing native apps for Apple platforms. My focus is on Swift, SwiftUI, UIKit, and Objective-C – especially in projects where stability, performance, maintainability, and reliable releases are crucial.

I support companies in further developing existing apps, modernizing legacy code, and cleanly translating complex product requirements into robust mobile solutions. I work hands-on in implementation as well as on architecture, release processes, and technical quality.

I have experience in demanding and regulated environments, including automotive, healthcare, and mobility. My typical contributions in projects include: native iOS development, modernization of established codebases, performance optimization, stabilization of releases, API integration, and technical advancement of existing products.

Tech Stack: Swift, SwiftUI, UIKit, Objective-C, REST, JSON, XML, Xcode, SPM, Fastlane, Jenkins, Bitbucket, Git, CI/CD, MDM, Enterprise environments.

Open to freelance, contract, and selected permanent positions in Germany, remote or hybrid.

Industry field of expertise

Languages

German
Native or bilingual
English
Fluent
Turkish
Basic

Workplace preferences

Can work on-site

Wiesbaden (up to 50km)

Ulusoy Consulting GmbH
Managing Director
DIGITAL AND IT
March 2024 - Today (2 years and 3 months)
Eschborn, HE, Germany
AOK Systems GmbH
iOS Developer
BANKING AND INSURANCE
January 2019 - December 2023 (5 years)
Berlin, Germany
- Expansion of an existing B2B app for AOK Systems for the field service employees of the various AOKs (Objective-C).
- New development (Swift, SwiftUI) of a B2B app for AOK Systems for the field service employees of the various AOKs.
SwiftUI OpenAPI Objective-C SAP CRM SAP Mobile Platform
valantic GmbH - ehemals SyroCon Consulting GmbH
iOS Developer
AUTOMOBILE
August 2018 - December 2018 (5 months)
Eschborn, Germany
Expansion of an existing mobility app with an additional use case for a German automotive manufacturer in Southern Germany.

Technologies used include: Swift, VIPER, TDD, Restful Web Services, JSON

Side note: I worked for this client before they were acquired by valantic GmbH.
Swift Objective-C iOS REST Viper