iOS Entwicklung
Aktualisiert am 26.02.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.03.2025
Verfügbar zu: 100%
davon vor Ort: 10%
iOS
Swift
Xcode
SwiftUI
Git
Continuous Integration
Softwarearchitektur
Scrum
Objective-C
UIKit
German
Muttersprache
English
Verhandlungssicher

Einsatzorte

Einsatzorte

Deutschland
möglich

Projekte

Projekte

1 Jahr 6 Monate
2023-04 - 2024-09

Developed an app for route planning and timetable apps

Senior iOS Developer
Senior iOS Developer
  • developed an app for route planning and timetable apps
  • collaborated with a cross-functional team in a scrum process
  • built configurable abstract components with SwiftUI and Combine
  • build custom solutions for Apple Maps
Stadtwerke München GmbH
3 Monate
2022-11 - 2023-01

Optimised the app for VoiceOver usage with strong focus on accessibility

Senior iOS Developer
Senior iOS Developer
  • developed a public transport navigation support iOS application for users with visual impairment
  • used SwiftUI and ComposableArchitecture to build new components
  • optimised the app for VoiceOver usage with strong focus on accessibility
  • used GitLab for collaboration and continuous integration 
DB Systel GmbH
2 Jahre 4 Monate
2020-06 - 2022-09

Developed core frameworks for route planning and timetable apps

Senior iOS Developer
Senior iOS Developer
  • developed core frameworks for route planning and timetable apps
  • collaborated with a cross-functional team in a scrum process
  • built highly configurable abstract components in Objective C and Swift
  • used SwiftUI and Combine to build new components
  • build custom solutions for Apple Maps
  • optimised the app for VoiceOver usage 
HaCon Ingenieurgesellschaft mbH
5 Monate
2020-02 - 2020-06

Developed a social networking iOS app

Senior iOS Developer
Senior iOS Developer
  • developed a social networking iOS app
  • collaborated with developers, PO, UX in a scrum process
  • built components with MVVM architecture and reactive programming
  • used Firebase tools like Crashlytics, Firestore, Analytics, RemoteConfig etc.
  • implemented features like Usercentrics, Apple Sign in etc.
  • worked with Apollo and GraphQL
  • refactored legacy Objective-C code 
Spontacts GmbH
1 Jahr 1 Monat
2019-01 - 2020-01

Assured quality with unit and UI tests

Senior iOS Developer
Senior iOS Developer
  • lead responsibility for development of an e-commerce iOS application
  • collaborated with an international crossfunctional team in a scrum process
  • supported the process of hiring new developers by doing technical interviews
  • assured quality with unit and UI tests
momox GmbH
10 Monate
2018-03 - 2018-12

Developed an enterprise iPad application

Senior iOS Developer
Senior iOS Developer
  • developed an enterprise iPad application in the field of hospital transition management
  • worked in a small agile developer team
  • main responsibility for app architecture and code quality
  • focused on reusable components, introduced reactive programming into the project
KF Interactive GmbH
11 Monate
2017-04 - 2018-02

Developed different iOS applocations in the fields payment

Senior iOS Developer
Senior iOS Developer

  • developed different iOS applocations in the fields payment, identity management and mail
  • worked in a large team with a strong Scrum process
  • collaborated with iOS and Android developers, UX designers, requirement managers, api developers, scrum master, testers etc.

T-Systems Multimedia Solutions
8 Monate
2016-08 - 2017-03

Social networking iOS application

iOS Developer
iOS Developer
  • developed a social networking iOS application
  • collaborated with developers, product owner, designer and testers in a Scrum process
  • used VIPER architecture
F&P GmbH | FEiG & PARTNER
4 Monate
2016-05 - 2016-08

Android application for medication intake

Android Developer
Android Developer
  • developed an Android application for medication intake
@ KF Interactive GmbH
7 Monate
2015-10 - 2016-04

Ported an Objective-C SDK to Swift

iOS Developer
iOS Developer
  • ported an Objective-C SDK to Swift with test driven development 
@ Apinauten GmbH
1 Jahr 11 Monate
2013-10 - 2015-08

Developed iOS and Android recipes applications

iOS & Android Developer
iOS & Android Developer
@ Becker Joest Volk Verlag
1 Jahr
2012-11 - 2013-10

iOS Development

Student Trainee
Student Trainee
@ APPSfactory

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Jahre 4 Monate
2013-09 - 2015-12

Master of Science, Computer Science

HTWK Leipzig
HTWK Leipzig
4 Jahre 1 Monat
2009-09 - 2013-09

Bachelor of Eng., Computer Technology

HTWK Leipzig
HTWK Leipzig

Kompetenzen

Kompetenzen

Top-Skills

iOS Swift Xcode SwiftUI Git Continuous Integration Softwarearchitektur Scrum Objective-C UIKit

Produkte / Standards / Erfahrungen / Methoden

SUMMARY:
  • Senior iOS developer with 10+ years of experience in a professional environment
  • Worked for companies of different sizes on complex userfocused software applications
  • Proficiency in writing clean, reusable and testable code by using clean software architecture and design patterns
  • Masters degree in computer science 
  • Ability to work on projects requiring detailed analysis, team work, problem solving, time management, clear communication and logical thinking
  • Constantly learning new technologies
  • Writing articles about iOS development


SKILLS:

  • iOS, Swift
  • Xcode
  • Objective-C
  • Architecture & Design Patterns (MVVM, Routing, Dependency Injection, VIPER, TCA)
  • Automated Tests (Unit Tests, UI Tests)
  • UI (SwiftUI, UIKit, Auto Layout)
  • Source Code Management (Git, GitLab, Bitbucket)
  • Networking (REST, GraphQL, OAuth)
  • Databases (SwiftData, Core Data, Realm, SQL)
  • Dependency Management (SPM, CocoaPods)
  • Distributing (Testflight, Firebase, App Store)
  • Agile Development, Scrum Tools (Jira, Confluence)
  • Collaboration with UX/UI (Figma, Zeplin)
  • Reactive Programming (Combine, RxSwift)
  • CI & CD (Fastlane, Codemagic, GitLab CI, Jenkins)
  • Android Development (Kotlin, Jetpack Compose, Java)
  • Server-Side Development (Server-Side Swift, Node.js)
  • Web Development (React, Gatsby) 

Einsatzorte

Einsatzorte

Deutschland
möglich

Projekte

Projekte

1 Jahr 6 Monate
2023-04 - 2024-09

Developed an app for route planning and timetable apps

Senior iOS Developer
Senior iOS Developer
  • developed an app for route planning and timetable apps
  • collaborated with a cross-functional team in a scrum process
  • built configurable abstract components with SwiftUI and Combine
  • build custom solutions for Apple Maps
Stadtwerke München GmbH
3 Monate
2022-11 - 2023-01

Optimised the app for VoiceOver usage with strong focus on accessibility

Senior iOS Developer
Senior iOS Developer
  • developed a public transport navigation support iOS application for users with visual impairment
  • used SwiftUI and ComposableArchitecture to build new components
  • optimised the app for VoiceOver usage with strong focus on accessibility
  • used GitLab for collaboration and continuous integration 
DB Systel GmbH
2 Jahre 4 Monate
2020-06 - 2022-09

Developed core frameworks for route planning and timetable apps

Senior iOS Developer
Senior iOS Developer
  • developed core frameworks for route planning and timetable apps
  • collaborated with a cross-functional team in a scrum process
  • built highly configurable abstract components in Objective C and Swift
  • used SwiftUI and Combine to build new components
  • build custom solutions for Apple Maps
  • optimised the app for VoiceOver usage 
HaCon Ingenieurgesellschaft mbH
5 Monate
2020-02 - 2020-06

Developed a social networking iOS app

Senior iOS Developer
Senior iOS Developer
  • developed a social networking iOS app
  • collaborated with developers, PO, UX in a scrum process
  • built components with MVVM architecture and reactive programming
  • used Firebase tools like Crashlytics, Firestore, Analytics, RemoteConfig etc.
  • implemented features like Usercentrics, Apple Sign in etc.
  • worked with Apollo and GraphQL
  • refactored legacy Objective-C code 
Spontacts GmbH
1 Jahr 1 Monat
2019-01 - 2020-01

Assured quality with unit and UI tests

Senior iOS Developer
Senior iOS Developer
  • lead responsibility for development of an e-commerce iOS application
  • collaborated with an international crossfunctional team in a scrum process
  • supported the process of hiring new developers by doing technical interviews
  • assured quality with unit and UI tests
momox GmbH
10 Monate
2018-03 - 2018-12

Developed an enterprise iPad application

Senior iOS Developer
Senior iOS Developer
  • developed an enterprise iPad application in the field of hospital transition management
  • worked in a small agile developer team
  • main responsibility for app architecture and code quality
  • focused on reusable components, introduced reactive programming into the project
KF Interactive GmbH
11 Monate
2017-04 - 2018-02

Developed different iOS applocations in the fields payment

Senior iOS Developer
Senior iOS Developer

  • developed different iOS applocations in the fields payment, identity management and mail
  • worked in a large team with a strong Scrum process
  • collaborated with iOS and Android developers, UX designers, requirement managers, api developers, scrum master, testers etc.

T-Systems Multimedia Solutions
8 Monate
2016-08 - 2017-03

Social networking iOS application

iOS Developer
iOS Developer
  • developed a social networking iOS application
  • collaborated with developers, product owner, designer and testers in a Scrum process
  • used VIPER architecture
F&P GmbH | FEiG & PARTNER
4 Monate
2016-05 - 2016-08

Android application for medication intake

Android Developer
Android Developer
  • developed an Android application for medication intake
@ KF Interactive GmbH
7 Monate
2015-10 - 2016-04

Ported an Objective-C SDK to Swift

iOS Developer
iOS Developer
  • ported an Objective-C SDK to Swift with test driven development 
@ Apinauten GmbH
1 Jahr 11 Monate
2013-10 - 2015-08

Developed iOS and Android recipes applications

iOS & Android Developer
iOS & Android Developer
@ Becker Joest Volk Verlag
1 Jahr
2012-11 - 2013-10

iOS Development

Student Trainee
Student Trainee
@ APPSfactory

Aus- und Weiterbildung

Aus- und Weiterbildung

2 Jahre 4 Monate
2013-09 - 2015-12

Master of Science, Computer Science

HTWK Leipzig
HTWK Leipzig
4 Jahre 1 Monat
2009-09 - 2013-09

Bachelor of Eng., Computer Technology

HTWK Leipzig
HTWK Leipzig

Kompetenzen

Kompetenzen

Top-Skills

iOS Swift Xcode SwiftUI Git Continuous Integration Softwarearchitektur Scrum Objective-C UIKit

Produkte / Standards / Erfahrungen / Methoden

SUMMARY:
  • Senior iOS developer with 10+ years of experience in a professional environment
  • Worked for companies of different sizes on complex userfocused software applications
  • Proficiency in writing clean, reusable and testable code by using clean software architecture and design patterns
  • Masters degree in computer science 
  • Ability to work on projects requiring detailed analysis, team work, problem solving, time management, clear communication and logical thinking
  • Constantly learning new technologies
  • Writing articles about iOS development


SKILLS:

  • iOS, Swift
  • Xcode
  • Objective-C
  • Architecture & Design Patterns (MVVM, Routing, Dependency Injection, VIPER, TCA)
  • Automated Tests (Unit Tests, UI Tests)
  • UI (SwiftUI, UIKit, Auto Layout)
  • Source Code Management (Git, GitLab, Bitbucket)
  • Networking (REST, GraphQL, OAuth)
  • Databases (SwiftData, Core Data, Realm, SQL)
  • Dependency Management (SPM, CocoaPods)
  • Distributing (Testflight, Firebase, App Store)
  • Agile Development, Scrum Tools (Jira, Confluence)
  • Collaboration with UX/UI (Figma, Zeplin)
  • Reactive Programming (Combine, RxSwift)
  • CI & CD (Fastlane, Codemagic, GitLab CI, Jenkins)
  • Android Development (Kotlin, Jetpack Compose, Java)
  • Server-Side Development (Server-Side Swift, Node.js)
  • Web Development (React, Gatsby) 

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