Android since 2011 | Kotlin | Finance x Automotive | Kotlin Multiplatform (KMM) | DevOps | Mobile Lead
Aktualisiert am 09.12.2024
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.01.2025
Verfügbar zu: 100%
davon vor Ort: 15%
Kotlin
Android
Mobile Apps
Gradle
Android Auto
CI/CD
Mobile
Automotive
Lead Developer

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 months
2024-11 - 2024-12

Developing Porsche infotainment system (Android automotive)

Senior Android Developer Kotlin Android Android Auto ...
Senior Android Developer

Developing a POC for Porsche's next-generation in-car infotainment system

Kotlin Android Android Auto AOSP
Porsche AG
Remote
6 months
2024-01 - 2024-06

Design and implementation of Bluetooth SDK

Lead Android Mobile Engineer Kotlin Bluetooth Gradle ...
Lead Android Mobile Engineer
  • Developing a new mobile application for the last-mile delivery of parcels.
  • Design and implementation of Bluetooth SDK for interaction with parcel stations
Figma Atlassian JIRA
Kotlin Bluetooth Gradle GitHub Git Lead Developer REST JSON SDK CI/CD Continuous Delivery Continuous Integration Mobile Mobile Apps JUnit Unittest
GLS Group
Berlin - remote
2 years 7 months
2021-06 - 2023-12

Development of new mobile banking platform

Lead Android Mobile Engineer Kotlin Lead Developer Gradle ...
Lead Android Mobile Engineer
Developing new mobile apps for private banking of DB group (Deutsche Bank, Postbank, Noris Bank, Fyrst).
  • targeting an audience of 20 000 000+ clients
  • setting up core app architecture
  • developing authentication & authorization modules
Figma InVision GitHub google
Kotlin Lead Developer Gradle Android Git GitHub GitLab CI/CD JSON REST Continuous Integration Continuous Delivery SDLC Mobile Apps Mobile JUnit Unittest
Deutsche Bank AG
Frankfurt am Main - remote
6 months
2021-01 - 2021-06

Design & development of in-car payments

Lead Android Developer Kotlin Android Spring Boot ...
Lead Android Developer
  • architecture/design & implementation of an app that runs in a car (Android Automotive)
  • architecture/design & implementation of a companion Android app for the management of payment methods
  • architecture & implementation of backend services, integration with payment processor
Atlassian JIRA postman
Kotlin Android Spring Boot Helm MySQL Android Auto Docker Gradle Git GitLab CI/CD Automotive JSON REST Continuous Integration Continuous Delivery Mobile Mobile Apps JUnit Unittest
Volkswagen
Ingolstadt, Donau - remote
5 months
2020-08 - 2020-12

Development of an app

Lead Android Mobile Engineer Kotlin Android Android SQLite ...
Lead Android Mobile Engineer
  • Development of an app for RWE employees to track their vacation, work schedule, salaries, etc.
  • Architecture, implementation, CI/CD
Kotlin Android Android SQLite Gradle Mobile Mobile Apps Lead Developer Git GitHub CI/CD JSON REST Continuous Delivery Continuous Integration Unittest JUnit
RWE AG
Essen - remote
8 months
2020-01 - 2020-08

Development of a mobile banking app for Bank 99

Lead Android Mobile Engineer Android Android SQLite Gradle ...
Lead Android Mobile Engineer
Building a greenfield mobile banking app for Bank 99.
  • Setting up the app architecture & CI/CD pipelines & quality gates
  • Coding new features
Android Android SQLite Gradle Kotlin Azure Devops CI/CD Continuous Delivery Continuous Integration JSON REST Lead Developer Mobile Mobile Apps Unittest JUnit UI-Tests
Österreichische Post - Bank 99
Vienna - remote
1 year 8 months
2018-05 - 2019-12

Development of a mobile wallet

Senior Android Mobile Engineer Git GitHub GitLab ...
Senior Android Mobile Engineer
Building a new banking product
  • Setting up the app architecture & CI/CD pipelines & quality gates
  • Code reviews / hiring / meetings with shareholders
Git GitHub GitLab Kotlin REST JSON CI/CD Continuous Delivery Continuous Integration Android Android SQLite Mobile Mobile Apps JUnit Unittest
Deutsche Bank AG
Frankfurt am Main
4 months
2018-01 - 2018-04

Development of new Burger king app used by 3 000 000 MAU

Senior Android Developer Mobile Mobile Apps Android ...
Senior Android Developer
  • Building a new app for Burger King that tackles 3 000 000 monthly active users across DACH region
Mobile Mobile Apps Android Android SQLite Git GitHub JSON REST Kotlin CI/CD Continuous Delivery Continuous Integration Unittest JUnit
Burger King Europe
Munich
4 months
2017-11 - 2018-02

Backend integration with revenue recognition service

Backend/Kotlin Developer Kotlin AWS PostgreSQL ...
Backend/Kotlin Developer

  • Building an invoicing/revenue recognition service from scratch.

Kotlin AWS PostgreSQL Spring Boot Docker JUnit Unittest
OLX/Naspers
Berlin
1 year 1 month
2016-11 - 2017-11

Rewriting Apps

Senior Android Developer Internet of Things Mobile Mobile Apps ...
Senior Android Developer
Building Android apps and SDK's that integrate with NOA's IoT solution.
  • Responsibility for the Android team and product ( 2 Apps & 2 SDK's)
  • Rewriting Apps into Kotlin upon joining the team
Internet of Things Mobile Mobile Apps SDK Android Android SQLite Senior-Entwickler Test JUnit Java Java 8 Git GitLab GitHub REST JSON Unittest CI/CD Jenkins Continuous Delivery Continuous Integration
NOA Technologies
Berlin
10 months
2016-01 - 2016-10

Building a Telehealth app for Nordics

Senior Android/Mobile Developer Mobile Mobile Apps Java ...
Senior Android/Mobile Developer
  • Building an app to connect doctors with their patients via video and chat.
Mobile Mobile Apps Java Java 8 JUnit Unittest REST JSON Git GitHub Android Android SQLite
MeeDoc
Berlin
4 years 8 months
2011-05 - 2015-12

Developing Android soccer live scores with over 1,000,000 organic downloads

Android / Back end developer
Android / Back end developer
Most of the apps i have developed were designated for soccer fans worldwide.
  • Soccer apps were providing fast live scores and deep statistics from over 1000 competitions worldwide
  • I have developed backend and Android clients
  • Apps had in total more than 1 000 000 downloads and an average rating of 4.4
  • Google has banned (03/2015) my apps due to copyright infringement. Thank you for that :)
Self employed
worldwide
11 months
2014-10 - 2015-08

Building an Android client and backend

Senior Android Developer
Senior Android Developer
  • Guiding a team of 3 developers & running technical interviews
Hangr
Vancouver
1 year 2 months
2010-04 - 2011-05

Building an internal tool to evaluate bank branches and employees

Java Developer Java JSF Linux ...
Java Developer
Java JSF Linux Glassfish
Raiffeisen Bank International
Bratislava

Aus- und Weiterbildung

Aus- und Weiterbildung

2 years 10 months
2008-09 - 2011-06

Informatics and Information Technologies

BSc in Computer science, Slovak University of Technology in Bratislava, Slovakia
BSc in Computer science
Slovak University of Technology in Bratislava, Slovakia
Course included: mathematics, physics, programming, artificial intelligence, distributed systems, software development techniques, databases, natural language processing, algorithms, and more.


Dissertation: on request

Kompetenzen

Kompetenzen

Top-Skills

Kotlin Android Mobile Apps Gradle Android Auto CI/CD Mobile Automotive Lead Developer

Programmiersprachen

Kotlin
Experte
Java
Experte

Conference speaking

Lecture: Structured unit testing with Spek

  • Droidcon San Francisco 11/2019 - San Francisco, USA
  • Mobilization 10/2019 - Lodz, Poland
  • Droidcon Greece 09/2019 - Heraklion, Greece
  • Droidcon Vietnam 06/2019 - Saigon, Vietnam
  • Droidcon Boston 04/2019 - Boston, USA
  • AppDevCon 03/2019 - Amsterdam, Netherlands

Lecture: Big rewrite with Kotlin Multiplatform

  • AppDevCon 03/2020 - Amsterdam, Netherlands- canceled due to Covid 19

Branchen

Branchen

Banking / Financial (Deutsche Bank, Post Bank, Bank 99)

Automotive (Volkswagen/Audi , Porsche)

Logistics (GLS)

Energy (RWE)

Hospitality (Burger King)

Healthcare, IoT, Advertising

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 months
2024-11 - 2024-12

Developing Porsche infotainment system (Android automotive)

Senior Android Developer Kotlin Android Android Auto ...
Senior Android Developer

Developing a POC for Porsche's next-generation in-car infotainment system

Kotlin Android Android Auto AOSP
Porsche AG
Remote
6 months
2024-01 - 2024-06

Design and implementation of Bluetooth SDK

Lead Android Mobile Engineer Kotlin Bluetooth Gradle ...
Lead Android Mobile Engineer
  • Developing a new mobile application for the last-mile delivery of parcels.
  • Design and implementation of Bluetooth SDK for interaction with parcel stations
Figma Atlassian JIRA
Kotlin Bluetooth Gradle GitHub Git Lead Developer REST JSON SDK CI/CD Continuous Delivery Continuous Integration Mobile Mobile Apps JUnit Unittest
GLS Group
Berlin - remote
2 years 7 months
2021-06 - 2023-12

Development of new mobile banking platform

Lead Android Mobile Engineer Kotlin Lead Developer Gradle ...
Lead Android Mobile Engineer
Developing new mobile apps for private banking of DB group (Deutsche Bank, Postbank, Noris Bank, Fyrst).
  • targeting an audience of 20 000 000+ clients
  • setting up core app architecture
  • developing authentication & authorization modules
Figma InVision GitHub google
Kotlin Lead Developer Gradle Android Git GitHub GitLab CI/CD JSON REST Continuous Integration Continuous Delivery SDLC Mobile Apps Mobile JUnit Unittest
Deutsche Bank AG
Frankfurt am Main - remote
6 months
2021-01 - 2021-06

Design & development of in-car payments

Lead Android Developer Kotlin Android Spring Boot ...
Lead Android Developer
  • architecture/design & implementation of an app that runs in a car (Android Automotive)
  • architecture/design & implementation of a companion Android app for the management of payment methods
  • architecture & implementation of backend services, integration with payment processor
Atlassian JIRA postman
Kotlin Android Spring Boot Helm MySQL Android Auto Docker Gradle Git GitLab CI/CD Automotive JSON REST Continuous Integration Continuous Delivery Mobile Mobile Apps JUnit Unittest
Volkswagen
Ingolstadt, Donau - remote
5 months
2020-08 - 2020-12

Development of an app

Lead Android Mobile Engineer Kotlin Android Android SQLite ...
Lead Android Mobile Engineer
  • Development of an app for RWE employees to track their vacation, work schedule, salaries, etc.
  • Architecture, implementation, CI/CD
Kotlin Android Android SQLite Gradle Mobile Mobile Apps Lead Developer Git GitHub CI/CD JSON REST Continuous Delivery Continuous Integration Unittest JUnit
RWE AG
Essen - remote
8 months
2020-01 - 2020-08

Development of a mobile banking app for Bank 99

Lead Android Mobile Engineer Android Android SQLite Gradle ...
Lead Android Mobile Engineer
Building a greenfield mobile banking app for Bank 99.
  • Setting up the app architecture & CI/CD pipelines & quality gates
  • Coding new features
Android Android SQLite Gradle Kotlin Azure Devops CI/CD Continuous Delivery Continuous Integration JSON REST Lead Developer Mobile Mobile Apps Unittest JUnit UI-Tests
Österreichische Post - Bank 99
Vienna - remote
1 year 8 months
2018-05 - 2019-12

Development of a mobile wallet

Senior Android Mobile Engineer Git GitHub GitLab ...
Senior Android Mobile Engineer
Building a new banking product
  • Setting up the app architecture & CI/CD pipelines & quality gates
  • Code reviews / hiring / meetings with shareholders
Git GitHub GitLab Kotlin REST JSON CI/CD Continuous Delivery Continuous Integration Android Android SQLite Mobile Mobile Apps JUnit Unittest
Deutsche Bank AG
Frankfurt am Main
4 months
2018-01 - 2018-04

Development of new Burger king app used by 3 000 000 MAU

Senior Android Developer Mobile Mobile Apps Android ...
Senior Android Developer
  • Building a new app for Burger King that tackles 3 000 000 monthly active users across DACH region
Mobile Mobile Apps Android Android SQLite Git GitHub JSON REST Kotlin CI/CD Continuous Delivery Continuous Integration Unittest JUnit
Burger King Europe
Munich
4 months
2017-11 - 2018-02

Backend integration with revenue recognition service

Backend/Kotlin Developer Kotlin AWS PostgreSQL ...
Backend/Kotlin Developer

  • Building an invoicing/revenue recognition service from scratch.

Kotlin AWS PostgreSQL Spring Boot Docker JUnit Unittest
OLX/Naspers
Berlin
1 year 1 month
2016-11 - 2017-11

Rewriting Apps

Senior Android Developer Internet of Things Mobile Mobile Apps ...
Senior Android Developer
Building Android apps and SDK's that integrate with NOA's IoT solution.
  • Responsibility for the Android team and product ( 2 Apps & 2 SDK's)
  • Rewriting Apps into Kotlin upon joining the team
Internet of Things Mobile Mobile Apps SDK Android Android SQLite Senior-Entwickler Test JUnit Java Java 8 Git GitLab GitHub REST JSON Unittest CI/CD Jenkins Continuous Delivery Continuous Integration
NOA Technologies
Berlin
10 months
2016-01 - 2016-10

Building a Telehealth app for Nordics

Senior Android/Mobile Developer Mobile Mobile Apps Java ...
Senior Android/Mobile Developer
  • Building an app to connect doctors with their patients via video and chat.
Mobile Mobile Apps Java Java 8 JUnit Unittest REST JSON Git GitHub Android Android SQLite
MeeDoc
Berlin
4 years 8 months
2011-05 - 2015-12

Developing Android soccer live scores with over 1,000,000 organic downloads

Android / Back end developer
Android / Back end developer
Most of the apps i have developed were designated for soccer fans worldwide.
  • Soccer apps were providing fast live scores and deep statistics from over 1000 competitions worldwide
  • I have developed backend and Android clients
  • Apps had in total more than 1 000 000 downloads and an average rating of 4.4
  • Google has banned (03/2015) my apps due to copyright infringement. Thank you for that :)
Self employed
worldwide
11 months
2014-10 - 2015-08

Building an Android client and backend

Senior Android Developer
Senior Android Developer
  • Guiding a team of 3 developers & running technical interviews
Hangr
Vancouver
1 year 2 months
2010-04 - 2011-05

Building an internal tool to evaluate bank branches and employees

Java Developer Java JSF Linux ...
Java Developer
Java JSF Linux Glassfish
Raiffeisen Bank International
Bratislava

Aus- und Weiterbildung

Aus- und Weiterbildung

2 years 10 months
2008-09 - 2011-06

Informatics and Information Technologies

BSc in Computer science, Slovak University of Technology in Bratislava, Slovakia
BSc in Computer science
Slovak University of Technology in Bratislava, Slovakia
Course included: mathematics, physics, programming, artificial intelligence, distributed systems, software development techniques, databases, natural language processing, algorithms, and more.


Dissertation: on request

Kompetenzen

Kompetenzen

Top-Skills

Kotlin Android Mobile Apps Gradle Android Auto CI/CD Mobile Automotive Lead Developer

Programmiersprachen

Kotlin
Experte
Java
Experte

Conference speaking

Lecture: Structured unit testing with Spek

  • Droidcon San Francisco 11/2019 - San Francisco, USA
  • Mobilization 10/2019 - Lodz, Poland
  • Droidcon Greece 09/2019 - Heraklion, Greece
  • Droidcon Vietnam 06/2019 - Saigon, Vietnam
  • Droidcon Boston 04/2019 - Boston, USA
  • AppDevCon 03/2019 - Amsterdam, Netherlands

Lecture: Big rewrite with Kotlin Multiplatform

  • AppDevCon 03/2020 - Amsterdam, Netherlands- canceled due to Covid 19

Branchen

Branchen

Banking / Financial (Deutsche Bank, Post Bank, Bank 99)

Automotive (Volkswagen/Audi , Porsche)

Logistics (GLS)

Energy (RWE)

Hospitality (Burger King)

Healthcare, IoT, Advertising

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

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

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