Marco Ostermeier
Developer
Experience
Head of Mobile
PodStack
Cross-Platform Notification Platform for iOS, Android, macOS, and Web
This project involves building a scalable notification platform supporting iOS, iPadOS, macOS, Android, and Web, developed from scratch with seamless integration and real-time capabilities.
Technologies and Features •Apple Ecosystem: Native Swift development with full integration of Apple Push Notification Service (APNs) and socket connection. •Android & Web: Kotlin Multiplatform (KMP) and Kotlin Compose for consistent UI/UX and integration of google push, Web Push and socket connection. •Backend: Kotlin-based backend supporting scalable APIs, push notifications (APNs, FCM, Web Push), and real-time communication via socket connections.
The platform ensures consistent, real-time notifications and user management across all devices and platforms.
iOS Software Developer Swift
Self-employed
Development and consulting in various team constellations: international, distributed, remote, cross-functional, agile - from 3 to 20 people.
Projects:
EnergyTracker V2 (since Dec 2023):
- An app (iPhone & iPad) for recording and analyzing various meters (like electricity and water meters, but also mileage and fuel cost tracking)
- Complete redevelopment (architecture and implementation) of the second version
- Using state-of-the-art Swift and iOS features
- Technologies: latest Swift, TCA, SwiftUI, SwiftData, SwiftCharts, Combine, Swift Concurrency, Keychain, CoreLocation
PAYBACK App (July 2020 - Dec 2023):
- Collect points and pay with the PAYBACK
- Architecture and development of new features as well as bug fixing
- Training of new developers and mentoring
- Pair programming and creation of learning sessions
- Support in the hiring process - evaluation, interview, and conception
- Technologies: Swift 3.2 - 5, various architectures, recently introduced TCA, SwiftUI, Combine, Swift Concurrency, UIKit
- International, cross-functional, and agile team of 30 people
- Various versions for different countries: DE, IT, MX, and AT
Sonamedic App (March 2020 - June 2020):
- A meditation app
- Sole development of the iOS app (conception, architecture, infrastructure)
- Technologies: Swift 5, SwiftUI, Combine, AVFoundation
HaspaJoker (January 2020 - June 2020):
- Bonus program
- Development of new features as well as bug fixing
- Technologies: Swift5, UIKit, MVVM, RxSwift
Loyal App (June 2019 - August 2019):
- Bonus program
- Sole development of the iOS prototypes (conception, architecture)
- Technologies: Swift 5, UIKit, CoreLocation, Keychain
PAYBACK App (April 2017 - December 2019):
- Collect points and pay with the PAYBACK
- Development of new features as well as bug fixing
- Refactoring and redevelopment of the payment process with credit card
- Development of a 3rd party SDK
- Additionally, support in development, conception, architecture, and CI/CD
- Technologies: Swift 3.2 - 5, UIKit, MVVM, Swift-Framework, CoreLocation, CoreData
- International, cross-functional, and agile team of 20 people
- Various versions for different countries: DE, IT, MX, and AT
External support for MaibornWolff (January 2017 - March 2017):
- Continuation of the project: BMW Connected App
- Support in development, conception, architecture, and setting up continuous integration builds
- Technologies: Swift 3.0, UIKit, Carthage, CoreLocation, Alamofire, Git
- Several teams at different locations around the world
BMW Connected (September 2016 - December 2016):
- The BMW Connected app covers everything related to BMW, including remote control, reading vehicle information, and after-sales functions
- Development, conception, architecture, advisory function for UX/UI, and leading role as Swift and iOS expert
- Additionally, support for backend development with Java EE and Spring
- Technologies: Swift 2.2, 2.3 & 3.0, UIKit, MapKit, CoreLocation, CocoaPods, CoreLocation, Alamofire, Java EE, Spring
- Several teams at different locations around the world
iOS Software Developer
Appdafuer
Development and maintenance of various apps in a team of three people in Swift for various clients.
iOS Software Developer
United Internet Media
Development and maintenance of in-house iOS apps in an agile team of seven people following Scrum in Objective-C.
Summary
Languages
Education
Ludwig Maximilian University LMU, Technical University of Munich TUM
Master of Science · Bioinformatics · Munich, Germany
Ludwig Maximilian University LMU, Technical University of Munich TUM
Bachelor of Science · Bioinformatics · Munich, Germany
Similar Freelancers
Discover other experts with similar qualifications and experience