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Cihan Boz - Senior iOS developer

Cihan Boz
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Potsdam, Germany

Experience

Jun 2025 - Present
10 months
Berlin, Germany
Remote

Senior iOS developer

Dewango GmbH

Expertise details
Position Summary
Senior iOS developer at Dewango GmbH
Industries
Information Technology
Business Areas
Information Technology
Product Development

Developed an app for automatic safety checkins with heavily relying on AI-Tools:

Real-time Safety Monitoring - Continuous activity tracking using device motion sensors with automatic status verification through Firebase-based safety pings Emergency Contact System - Share code-based contact invitation system allowing trusted users to monitor real-time status with battery levels and last activity Background Processing - Robust Android foreground services and WorkManager integration ensuring 24/7 monitoring without interruption Smart Notifications - Firebase Cloud Messaging for instant alerts to emergency contacts Sleep Scheduling - Configurable quiet hours to prevent unnecessary alerts Premium Tier - In-app purchase system with unlimited contacts

Jul 2023 - Jun 2025
2 years

Senior iOS developer

Porsche Digital GmbH

Expertise details
Position Summary
Senior iOS developer at Porsche Digital GmbH
Industries
Automotive
Information Technology
Business Areas
Information Technology
Product Development
Quality Assurance
  • Implementation of the “dream garage” functions, where users could administer owned cars and saved car configurations

  • Redesign of login screen and welcome screen

  • Implementation of upload of custom vehicle images

  • Implementation of vehicle technical details

  • Implementation of warranty extension functionality

  • Implementation of feedback functionality

  • Extension of “Track Your Dream” features allowing users to track their Porsche order from acceptance to delivery

  • Writing of unit and snapshot tests

  • Expansion of the dashboard with new features

  • Refactoring of the codebase

  • Technologies: Xcode, Swift 5.9, SwiftUI, Combine, MVVM, TestFlight, GitHub, CocoaPods, Swift Package Manager, fastlane

Oct 2022 - Jul 2024
1 year 10 months

Senior iOS developer

Beenera

Expertise details
Position Summary
Senior iOS developer at Beenera
Industries
Utilities
Business Areas
Information Technology
Product Development
  • Implementation of a feature to warn users when their expected consumption is likely to exceed their installment payments

  • Implementation of consumption comparison with other households

  • Extension of the existing widget catalog with features for consumption warnings and comparisons

  • Extension and maintenance of existing UI tests

  • Expansion of the dashboard with new features

  • Refactoring of the codebase

  • Technologies: Xcode, Swift 5.7, SwiftUI, Combine, MVVM, TestFlight, Git, Swift Package Manager, Azure DevOps

Jul 2022 - Present
3 years 9 months

Senior iOS developer

Solar.SOS

Expertise details
Position Summary
Senior iOS developer at Solar.SOS
Industries
Energy
Business Areas
Information Technology
Product Development
  • Implementation of offline troubleshooting capability

  • Implementation of creation of support tickets when offline and synchronization to backend once internet connection is established

  • Implementation of improvement of order process for spare parts

  • Implementation of OAuth 2.0 flow for authentication

  • Technologies: Xcode, Swift 5, SwiftUI, Combine, PencilKit, AVFoundation, MVVM, TestFlight, Git, Swift Package Manager

Jul 2021 - Apr 2022
10 months

iOS developer

Move4Me

Expertise details
Position Summary
iOS developer at Move4Me
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Development of proof of concept / MVP of app to animate drawings in PencilKit canvas

  • Implementation of design and user stories

  • Implementation of animation of drawing

  • Implementation of saving of drawing and exporting as video

  • Technologies: Xcode, Swift 5, SwiftUI, Combine, PencilKit, AVFoundation, MVVM, TestFlight, Git, Swift Package Manager

May 2021 - Mar 2022
11 months

iOS team lead

LIVENow

Expertise details
Position Summary
iOS team lead at LIVENow
Industries
Information Technology
Media and Entertainment
Business Areas
Information Technology
Product Development
  • Implementation of app redesign and iPad design

  • Implementation of chat and quiz functionality for live events

  • Implementation of functionality to record and send in short video clips

  • Implementation of live backstage functionality for live events

  • Implementation of Instagram-like stories

  • Implementation of Adobe Analytics SDK to track users

  • Implementation of new API endpoints

  • Preparation and publishing of new TestFlight builds

  • Submission into App Store

  • Technologies: Xcode, Objective-C, Swift 5, UIKit, RxSwift, AVFoundation, CocoaPods, MVC, TestFlight, Alamofire, Git, REST

Apr 2021 - Mar 2022
1 year

iOS developer

BBdigital

Expertise details
Position Summary
iOS developer at BBdigital
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Maintenance of existing app and extension

  • Implementation of new API endpoints to transmit more metrics

  • Bug fixes

  • Enabling of idle timer when device is not connected to power source

  • Migration of dependency manager from Carthage to CocoaPods

  • Technologies: Xcode, Swift, Realm, Fastlane, Jenkins, Mapbox, Alamofire, Git, Carthage

Sep 2019 - Dec 2019
4 months

iOS developer

TRUSTCASE GmbH

Expertise details
Position Summary
iOS developer at TRUSTCASE GmbH
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Refactoring of legacy code (Objective-C)

  • Calculation and creation of cryptographic key pairs (Ed25519) to sign backend communication

  • Migrating all API calls to new signature-based authentication

  • Creation of a process for registration and login via email

  • Backup and restore of encrypted profiles via REST APIs with AFNetworking and Alamofire

  • Available in the App Store: [link]

  • Technologies: Xcode, Objective-C, Swift, MVC, Git, git-flow, REST, JSON, CocoaPods, AFNetworking, Alamofire, Unit Tests, UI Tests, End to End Tests

Jan 2019 - Apr 2021
2 years 4 months

iOS developer

BBdigital

Expertise details
Position Summary
iOS developer at BBdigital
Industries
Information Technology
Transportation
Business Areas
Information Technology
Product Development
  • Development and maintenance of an iPad app to support bus drivers of citizen bus organizations (Enterprise App Store release)

  • Implementation of user stories

  • Usage of Mapbox to provide an in-app navigation system

  • Creation of REST API for backend communication and implementation in app with Alamofire and JSON

  • Creation of queue management for API requests in case of unstable internet connections

  • GPS-based localization (CoreLocation) to provide location-dependent information (e.g., bus stops)

  • Implementation of Bluetooth printer support to create tickets for passengers

  • UI/UX optimization to meet user needs (age: 70+)

  • Technologies: Xcode, Swift, Realm, Fastlane, Jenkins, Mapbox, Alamofire, Git, Carthage

Jun 2018 - Jul 2020
2 years 2 months

iOS developer

Thrive GmbH

Expertise details
Position Summary
iOS developer at Thrive GmbH
Industries
Information Technology
Business Areas
Information Technology
Product Development
Project Management
  • Creation (06/2018 - 01/2019), feature additions, and maintenance of a logbook app to log private car usage for business reasons (DriLo)

  • Usage of Google Maps APIs and MapKit to calculate routes

  • Export via PDF and CSV

  • Integration of cloud storage APIs: Google Drive, Dropbox, OneDrive

  • Available in the App Store: [link]

  • Technologies: Xcode, Swift, Realm, Fastlane, Jenkins, Carthage, Phabricator, Differential, Git, Firebase, MVC, UI Tests, TestFlight, arcanist, Scrum, Planning Poker

Mar 2018 - Jun 2018
4 months

iOS developer

Crosscan GmbH

Expertise details
Position Summary
iOS developer at Crosscan GmbH
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Further development and maintenance of the Crosscan App

  • Implemented Apple Watch support

  • Implemented iOS Today widget

  • Updated Cordova plugins

  • Release via App Store: [link]

  • Technologies: Xcode, Cordova, Fastlane, Jenkins, Phabricator, Differential, Git, MVC, arcanist, Scrum

Jan 2018 - Mar 2018
3 months

iOS developer

Thrive GmbH

Expertise details
Position Summary
iOS developer at Thrive GmbH
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Prototype / proof of concept for an augmented reality app for indoor navigation

  • Usage of ARKit, SpriteKit, and SceneKit to calculate a point cloud

  • Using the point cloud to detect movement within a given room

  • Detecting initial positions via fixed markers

  • Calculation of the distance walked

  • Technologies: Xcode, ARKit, CoreData, CocoaPods, Fastlane, Jenkins, Phabricator, Differential, Git, MVC, arcanist, Scrum, Planning Poker

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Energy, Transportation, Automotive, Utilities, and Media and Entertainment.

Information Technology
Energy
Transportation
Automotive
Utilities
Media and Entertainment
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Quality Assurance, and Project Management.

Information Technology
Product Development
Quality Assurance
Project Management
Profile match chart

Summary

  • team player with excellent communicative, analytical and conceptual skills
  • quick witted, user focused, entrepreneurial thinking and behavior
  • main responsibilities: iOS development

Skills

  • Scrum, Kanban, Planning Poker, Agile
  • Atlassian Toolchain (Jira, Confluence, Bamboo, Bitbucket), Git-flow
  • Ios, Swift, Objective-c, Xcode
  • Php, Mysql, Laravel, Javascript, Html
  • Cocoapods, Carthage
  • Core Data, Realm, Alamofire, Afnetworking, Mapbox
  • Testflight, Test Driven Development, Unit Tests, Ui Tests
  • Mvc, Mvvm, Mvp, Viper
  • Continuous Integration, Continuous Delivery, Jenkins, Fastlane, Git

Languages

German
Native
English
Advanced
Turkish
Advanced

Education

Apprenticeship, software development · Software development

Certifications & licenses

iOS App Developer

cimdata Bildungsakademie GmbH

Statistics

Experience

Total positions 12
Experience in Information Technology 7 y
Avg length 1 y 4 m
Longest experience 3 y 8 m

Global Experience

Countries worked in 1 (Germany)
Primary country Germany

Expertise

Recent roles Senior iOS developer, iOS developer, iOS team lead
Main industries Information Technology, Energy, Transportation
Main business areas Information Technology, Product Development, Quality Assurance

Qualifications

Certifications earned 1

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Cihan based?

Cihan is based in Potsdam, Germany and prefers 100% remote projects.

What languages does Cihan speak?

Cihan speaks the following languages: German (Native), English (Advanced), Turkish (Advanced).

How many years of experience does Cihan have?

Cihan has at least 8 years of experience. During this time, Cihan has worked in at least 3 different roles and for 10 different companies. The average length of individual experience is 1 year and 8 months. Note that Cihan may not have shared all experience and actually has more experience.

What roles would Cihan be best suited for?

Based on recent experience, Cihan would be well-suited for roles such as: Senior iOS developer, iOS developer, iOS team lead.

What is Cihan's latest experience?

Cihan's most recent position is Senior iOS developer at Dewango GmbH.

What companies has Cihan worked for in recent years?

In recent years, Cihan has worked for Dewango GmbH, Porsche Digital GmbH, Beenera, Solar.SOS, and Move4Me.

Which industries is Cihan most experienced in?

Cihan is most experienced in industries like Information Technology, Energy, and Transportation. Cihan also has some experience in Automotive, Utilities, and Media and Entertainment.

Which business areas is Cihan most experienced in?

Cihan is most experienced in business areas like Information Technology, Product Development, and Project Management. Cihan also has some experience in Quality Assurance.

Which industries has Cihan worked in recently?

Cihan has recently worked in industries like Information Technology, Energy, and Transportation.

Which business areas has Cihan worked in recently?

Cihan has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.

What is Cihan's education?

Cihan attended education in Software development.

Does Cihan have any certificates?

Cihan has 1 certificate: iOS App Developer.

What is the availability of Cihan?

Cihan will be available full-time from April 2026.

What is the rate of Cihan?

Cihan's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Cihan?

To hire Cihan, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Market avg: 752-912 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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