App Developer with 14+ years of experience. Expert for iOS and watchOS.
Aktualisiert am 06.08.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 06.08.2024
Verfügbar zu: 100%
davon vor Ort: 10%
iOS
watchOS
Swift
SwiftUI
UIKit
Git
CI/CD
Agile Softwareentwicklung
App Architecture
German
native speaker
English
fluent, C2 Level
Danish
Grundkenntnisse
Dutch
Grundkenntnisse

Einsatzorte

Einsatzorte

Graz (+200km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

6 years 9 months
2018-01 - now

Keezaa Fitness App

Senior iOS iOS SWIFT CI/CD ...
Senior iOS

A comprehensive workout app tailored for Kieser-Training gyms. Facilitates a seamless workout plan management and machine setup, enhancing user experience and efficiency. It incorporates a polished stopwatch function, aiding in time tracking and health metric monitoring, contributing to a focused and effective workout routine.

  • Develop a fitness App for Apple Watch from idea to App Store
  • 10.000+ Downloads
  • Leverage HealthKit to display user health metrics
  • Subscriptions & In App Purchases
  • User Support

Keezaa App Agile Softwareentwicklung
iOS SWIFT CI/CD Agile Softwareentwicklung watchOS HealthKit Swift SwiftUI SwiftData Observable async/ await SPM Xcode Cloud Firebase Firestore WatchKit
Remote
3 years 1 month
2020-09 - 2023-09

Foundational work for new hardware series

Senior iOS iOS SWIFT Agile Softwareentwicklung ...
Senior iOS

tado° App

The tado° system allows users to control their heating and air conditioning systems remotely. It offers features like scheduling, geofencing, weather adaptation, and energy usage reports. The app aims to enhance comfort while optimizing energy efficiency by integrating smart home technology.

  • Foundational work for new hardware series ?tado° line X?
  • Interview & onboard new iOS Engineers
  • Ship highly requested features like ?dark mode?
  • Increase unit test code coverage and rewrite parts of code base
  • Reduce merge conflicts by setting up the project via tuist
  • Split monolithic codebase into separate packages using SPM
  • Use state of the art technology, like Codable
  • Reduce tech debt
  • Maintain and improve high user satisfaction: 4,6+ Stars
  • Gradually convert to webviews while maintaining high quality
  • -> Reduce release time from 1 in 2 months to 1 per week

iOS SWIFT Agile Softwareentwicklung Internet of Things CI/CD Swift UIKit SwiftUI async/await Combine GitHub Actions Fastlane MVVM-C tuist WKWebView with async JavaScript messaging
tado GmbH
Munich/ Remote
1 year
2019-07 - 2020-06

IconicFinance Banking App

iOS Engineer iOS Swift UIKit ...
iOS Engineer

HeyMoney enables the user to manage various bank accounts from a single application. In combination with an automatic categorization of bookings, this results in a more complete picture of personal finances. The app is required to meet the highest security requirements and state of the art design.

  • Development of a banking and insurance app from scratch
  • Focus on Security and Design
  • Work in Cross-Platform Scrum Teams
  • Coach team to use latest technologies like Combine

iOS Swift UIKit MVVM+C Combine Unit Tests CryptoKit
HeyMoney
Munich/ Remote
7 months
2018-11 - 2019-05

Lab Assistant App

iOS Swift MVVM ...

LabTwin offers a voice-activated digital assistant for scientists. The app assists researchers in laboratories by providing hands-free data capture, protocol execution, inventory management, and access to scientific knowledge, all through natural language interaction.

  • Implementation of final features to please stakeholders
  • Onboard new iOS engineers
  • Coach iOS engineers in advanced Swift

iOS Swift MVVM RxSwift UIKit Unit Tests View Tests
LabTwin
Berlin/ Remote

Aus- und Weiterbildung

Aus- und Weiterbildung

5 years 10 months
2004-09 - 2010-06

Media Technology

Dipl-Ing., TU Ilmenau, DE
Dipl-Ing.
TU Ilmenau, DE

  • Grade: 1.2
  • Specialization in Audio-Visual Technology

6 months
2009-04 - 2009-09

Internship Fundamental Research

Philips Electronics Eindhoven, NL
Philips Electronics Eindhoven, NL
  • Digital Signal Processing
5 months
2007-08 - 2007-12

Erasmus

Embedded DSP, Engineering College of Århus, DK
Embedded DSP
Engineering College of Århus, DK

Position

Position

  • Software Engineer for iOS/ watchOS. Data Driven Apps & Features.
  • iOS Widgets & Apple Watch Apps

Kompetenzen

Kompetenzen

Top-Skills

iOS watchOS Swift SwiftUI UIKit Git CI/CD Agile Softwareentwicklung App Architecture

Schwerpunkte

FOCUS AREAS & SERVICES

  • App Development from ?Idea to App Store?
  • Developer Coaching
  • Clean Code, Design Patterns, Unit Testing
  • CI/CD - Test and Release Automation
  • App Stability and Crash Monitoring

Produkte / Standards / Erfahrungen / Methoden

Profile:

  • With 14+ years of experience crafting top-notch apps for iPhone and Apple Watch, I specialize in delivering innovative, high-performance apps for ? platforms. Passionate about user-centric design and data driven features. 
  • I bring ideas to life with precision and creativity.


Expert:
  • Swift & SwiftUI
  • iOS & watchOS Development
  • End-to-End App Lifecycle

Proven Track Record:

  • Leading complex projects from concept to launch
  • Enhancing user engagement and satisfaction
  • Collaborating seamlessly with all kinds of agile teams


KEY FACTS

  • 14+ years of experience
  • 20+ developed Apps
  • Worked for: Pro7/Sat1, Allianz, Munich RE, Payback, AutoScout24, Maxdome, tado°, myposter


SKILLS

DEVELOPMENT

  • iOS
  • watchOS
  • CarPlay
  • iPadOS
  • Swift
  • SwiftUI
  • UIKit
  • async/await
  • Combine
  • SwiftData
  • CoreData
  • Swift Package Manager
  • CocoaPods
  • Unit-Testing
  • UI-Testing
  • Objective-C
  • REST
  • JSON
  • Clean Code
  • MVVM-C
  • MVP
  • tuist
  • Git
  • GitHub
  • GitLab
  • Xcode Cloud
  • Fastlane
  • GitHub Actions
  • SwiftLint


PROJECT MANAGEMENT

  • Scrum
  • Kanban
  • Team Coaching
  • Agile & Lean Methodology
  • User Centric Design
  • Rapid Prototyping
  • Software Architecture

Programmiersprachen

swift
Experte
objective-c
Fortgeschritten
html/css
Basics

Einsatzorte

Einsatzorte

Graz (+200km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

6 years 9 months
2018-01 - now

Keezaa Fitness App

Senior iOS iOS SWIFT CI/CD ...
Senior iOS

A comprehensive workout app tailored for Kieser-Training gyms. Facilitates a seamless workout plan management and machine setup, enhancing user experience and efficiency. It incorporates a polished stopwatch function, aiding in time tracking and health metric monitoring, contributing to a focused and effective workout routine.

  • Develop a fitness App for Apple Watch from idea to App Store
  • 10.000+ Downloads
  • Leverage HealthKit to display user health metrics
  • Subscriptions & In App Purchases
  • User Support

Keezaa App Agile Softwareentwicklung
iOS SWIFT CI/CD Agile Softwareentwicklung watchOS HealthKit Swift SwiftUI SwiftData Observable async/ await SPM Xcode Cloud Firebase Firestore WatchKit
Remote
3 years 1 month
2020-09 - 2023-09

Foundational work for new hardware series

Senior iOS iOS SWIFT Agile Softwareentwicklung ...
Senior iOS

tado° App

The tado° system allows users to control their heating and air conditioning systems remotely. It offers features like scheduling, geofencing, weather adaptation, and energy usage reports. The app aims to enhance comfort while optimizing energy efficiency by integrating smart home technology.

  • Foundational work for new hardware series ?tado° line X?
  • Interview & onboard new iOS Engineers
  • Ship highly requested features like ?dark mode?
  • Increase unit test code coverage and rewrite parts of code base
  • Reduce merge conflicts by setting up the project via tuist
  • Split monolithic codebase into separate packages using SPM
  • Use state of the art technology, like Codable
  • Reduce tech debt
  • Maintain and improve high user satisfaction: 4,6+ Stars
  • Gradually convert to webviews while maintaining high quality
  • -> Reduce release time from 1 in 2 months to 1 per week

iOS SWIFT Agile Softwareentwicklung Internet of Things CI/CD Swift UIKit SwiftUI async/await Combine GitHub Actions Fastlane MVVM-C tuist WKWebView with async JavaScript messaging
tado GmbH
Munich/ Remote
1 year
2019-07 - 2020-06

IconicFinance Banking App

iOS Engineer iOS Swift UIKit ...
iOS Engineer

HeyMoney enables the user to manage various bank accounts from a single application. In combination with an automatic categorization of bookings, this results in a more complete picture of personal finances. The app is required to meet the highest security requirements and state of the art design.

  • Development of a banking and insurance app from scratch
  • Focus on Security and Design
  • Work in Cross-Platform Scrum Teams
  • Coach team to use latest technologies like Combine

iOS Swift UIKit MVVM+C Combine Unit Tests CryptoKit
HeyMoney
Munich/ Remote
7 months
2018-11 - 2019-05

Lab Assistant App

iOS Swift MVVM ...

LabTwin offers a voice-activated digital assistant for scientists. The app assists researchers in laboratories by providing hands-free data capture, protocol execution, inventory management, and access to scientific knowledge, all through natural language interaction.

  • Implementation of final features to please stakeholders
  • Onboard new iOS engineers
  • Coach iOS engineers in advanced Swift

iOS Swift MVVM RxSwift UIKit Unit Tests View Tests
LabTwin
Berlin/ Remote

Aus- und Weiterbildung

Aus- und Weiterbildung

5 years 10 months
2004-09 - 2010-06

Media Technology

Dipl-Ing., TU Ilmenau, DE
Dipl-Ing.
TU Ilmenau, DE

  • Grade: 1.2
  • Specialization in Audio-Visual Technology

6 months
2009-04 - 2009-09

Internship Fundamental Research

Philips Electronics Eindhoven, NL
Philips Electronics Eindhoven, NL
  • Digital Signal Processing
5 months
2007-08 - 2007-12

Erasmus

Embedded DSP, Engineering College of Århus, DK
Embedded DSP
Engineering College of Århus, DK

Position

Position

  • Software Engineer for iOS/ watchOS. Data Driven Apps & Features.
  • iOS Widgets & Apple Watch Apps

Kompetenzen

Kompetenzen

Top-Skills

iOS watchOS Swift SwiftUI UIKit Git CI/CD Agile Softwareentwicklung App Architecture

Schwerpunkte

FOCUS AREAS & SERVICES

  • App Development from ?Idea to App Store?
  • Developer Coaching
  • Clean Code, Design Patterns, Unit Testing
  • CI/CD - Test and Release Automation
  • App Stability and Crash Monitoring

Produkte / Standards / Erfahrungen / Methoden

Profile:

  • With 14+ years of experience crafting top-notch apps for iPhone and Apple Watch, I specialize in delivering innovative, high-performance apps for ? platforms. Passionate about user-centric design and data driven features. 
  • I bring ideas to life with precision and creativity.


Expert:
  • Swift & SwiftUI
  • iOS & watchOS Development
  • End-to-End App Lifecycle

Proven Track Record:

  • Leading complex projects from concept to launch
  • Enhancing user engagement and satisfaction
  • Collaborating seamlessly with all kinds of agile teams


KEY FACTS

  • 14+ years of experience
  • 20+ developed Apps
  • Worked for: Pro7/Sat1, Allianz, Munich RE, Payback, AutoScout24, Maxdome, tado°, myposter


SKILLS

DEVELOPMENT

  • iOS
  • watchOS
  • CarPlay
  • iPadOS
  • Swift
  • SwiftUI
  • UIKit
  • async/await
  • Combine
  • SwiftData
  • CoreData
  • Swift Package Manager
  • CocoaPods
  • Unit-Testing
  • UI-Testing
  • Objective-C
  • REST
  • JSON
  • Clean Code
  • MVVM-C
  • MVP
  • tuist
  • Git
  • GitHub
  • GitLab
  • Xcode Cloud
  • Fastlane
  • GitHub Actions
  • SwiftLint


PROJECT MANAGEMENT

  • Scrum
  • Kanban
  • Team Coaching
  • Agile & Lean Methodology
  • User Centric Design
  • Rapid Prototyping
  • Software Architecture

Programmiersprachen

swift
Experte
objective-c
Fortgeschritten
html/css
Basics

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.