Lead iOS Engineer with DevOps Experience

10/2021 – 10/2021

Implementation of native Dashboard Widgets for the RBB24 app

iOS, Mobile Application Development, Swift (Programmiersprache)

7/2021 – 8/2021

- Knowledge transfer on automation and testing
- Thread modeling

Continuous Delivery, Cyber Security, iOS, Swift (Programmiersprache), System Architektur, Test Automation

8/2020 – 7/2021

Entwicklung & Wartung der deutschen Corona Warn App in Zusammenarbeit mit SAP und Telekom. Fokus auf App-Architektur, Sicherheit/Crypto, (Test-)Automatisierung und Datenverarbeitung.

Continuous Delivery, Cyber Security, iOS, Kryptographie, Software Architecture, Swift (Programmiersprache), Test Automation

11/2019 – 2/2020

Design and implementation of the new Packstation App. Improvement of testability of the existing code and setup of a Fastlane-based CI pipeline.

Logistik (Allg.), Continuous Delivery, Transport Layer Security, iOS, Scrum, Test Automation, Software Architecture, Mobile Application Development, Swift (Programmiersprache), User Experience (UX)

5/2019 – 11/2019

Design & Development of new banking products (iPhone and iPad).
Defining and implementing common standards in cross-functional teams.

Continuous Delivery, Transport Layer Security, iOS, Test Automation, Software Architecture, Mobile Application Development, Swift (Programmiersprache), User Experience (UX), Online-Banking

10/2018 – 5/2019

Deployment of infrastructure using a multi cloud environment.
Agile scripting within DevOps framework.
Run, test, adjust and create blueprints.

Jenkins, Ruby, Cloud (allg.), Iaas, Microsoft Azure, Amazon Web Services (AWS)

7/2018 – 10/2018

- Research spike on iOS-related topics such as HealthKit & SiriKit.
- Implementation of test apps to gather user insights over the course of the project.
- Design and implement of an iOS framework with refined pieces of source code.
- Documentation of general outcome and possible caveats for future implementations.

Forschung & Entwicklung, Data Mining, Datenanalyse, iOS, Mobile Application Development, Swift (Programmiersprache)

1/2017 – 8/2017

Technologieberatung & Entwicklung verschiedener Prototypen (Mobil, Web)

iOS, Enterprise Architect (EA), Cloud Computing, E-Learning

9/2016 – 12/2016

– Development of a location-based social network
– App & Backend development
– technologies: iOS, AWS (Lambda, DynamoDB, EC2, …), Python/Django

iOS, Kanban (Softwareentwicklung), iOS Entwicklung, Mobile Application Development, Python, Swift (Programmiersprache), Cloud Computing, Telekommunikation / Netzwerke (allg.), Django

9/2015 – 10/2016

– Native iOS development for german and australian customers in the fields of Education, Social Media, IoT and more. Candidate assessment for internal developers and an external client in New York
– Knowledge transfer and evangelism for iOS-related topics between the german and australian offices
– Technologies: Swift, continuous integration & automation via Fastlane, Travis and Jenkins. Integration of cloud-based and traditional backend solutions
based on Django, Parse, Firebase and Amazon Web Services

Hardware-Design, iOS, Scrum, Kanban (Softwareentwicklung), iOS Entwicklung, Mobile Application Development, Objective-C, Python, Swift (Programmiersprache), , Jenkins, Cloud Computing, Web Services, Django, Medien (allg.), Dienstleistung (allg.)

5/2015 – 1/2017

– private App-project: social travel guide
– technologies: iOS (Swift), AWS (Lambda, EC2, DynamoDB, …), Python/ Django

iOS, Kanban (Softwareentwicklung), Python, Swift (Programmiersprache), Cloud Computing, Django, Projektkalkulation, Reiseführer

2/2014 – 8/2015

– Native development of the Secret Escapes iOS app; consulting for all mobile- topics (tracking, testing, release plan, etc.)
– Technologies: UI Kit, Core Data for offline caching and app handling (e.g. bookmarking and auto-synching when back online); Objective-C & Swift
– Managing and defining automatic translation process (via Phraseapp) and creating tutorials for translators

iOS, Scrum, Kanban (Softwareentwicklung), Testen, iOS Entwicklung, Mobile Application Development, Objective-C, Swift (Programmiersprache), User Interface (UI), It-Beratung, Übersetzungen

9/2012 – 1/2014

– Native development of Tribal Wars 2 iOS app (online MMO)
– Technologies: Cocos2D, OpenGL (shader programming), UI Kit, Core Data, web sockets, iOS payment integration into corporation structures (cross-game library)
– Development of native components and views for Grepolis_App and Grepolis_Mobile (no longer in store)
– Technical candidate assessments (phone and direct interviews)

iOS, Scrum, Agile Methodologie, Test Automation, iOS Entwicklung, Mobile Application Development, Opengl, Computerspielentwicklung, User Interface (UI)

5/2011 – 8/2012

– Lead mobile developer for DGU 2012 app (as template-app for further apps) and the backend API (UI Kit, Core Data)
– Project manager (mobile); direct contact with customers and users
– Mobile API design and development (Python/Django)
– Linux Server Administration for Amazon Web Services & infrastructure

Design (allg.), iOS, Linux (Kernel), Mobile Application Development, Python, User Interface (UI), Django, Web Services, Management (allg.), Dienstleistung (allg.)