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Johannes Waltsgott

Mobile Developer

I’m a professional Android developer, quick learner and team player. My greatest strength is a keen perception of requirements. I've a Diploma in Media and Computer Science and worked for different companies (entertainment, logistics) with international teams as Android developer and Project Manager. To get my head clear, I run with my dog, attend rock shows and go sailing.

Spain, Mataró
rx
Sugar
MySQL
Elasticsearch
SQLite
Wordpress
Johannes is currently not available for hire.

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Key Skills

Technical Skills

Years of experience

Proficiency

Java

6 Years of experience

6

Kotlin

2 Years of experience

2

Firebase Android SDK

6 Years of experience

6

Retrofit

5 Years of experience

5

JSON

5 Years of experience

5

Work experience

Senior Android Developer

2018 - present

Platingroup

  • Platingroup is a German digital agency, providing mobile development for a value-added app for one of Germany's biggest saving banks
  • Supported with the feature development and synchronisation with the back-end team and UI team to provide the savings bank with a MVP of the app
  • Integrated within a team of 4 - 10 other Android & iOS developers and mentored new Android team members all while fully remote
  • Selection of developed features: Google Maps Api integration to display value-adding partners around the users location; several custom UI modules to display dynamic content; Integration of Firebase Cloud Messaging with custom message handling
  • Significantly raised test coverage by adding unit and instrumentation tests
  • Technologies: Kotlin, MVVM, Data Binding, Koin DI, Firebase Cloud Messaging, Google Maps, JUnit, Mockito, Espresso

Senior Android Developer

2018 - 2019

XFAIR

  • XFAIR GmbH provides extensive Hardware and Software solutions for events and fairs
  • Supported with feature development of the client's event management app and synchronisation with the iOS team to ensure the deadline was met; 99% remote
  • Introduced architectural improvements (MVP pattern)
  • Added the first unit tests to verify core functionalities
  • Selection of developed features: 2D scrollable timetable / calendar view for booked appointments; file synchronisation via SFTP with local persistence to provide fair staff with sales documents
  • Technologies: Java, MVP, Google Maps, Firebase Cloud Messaging, SFTP, JUnit, Mockito

Senior Android Developer

2018 - 2018

Shedd Platform

  • Shedd provides apps for selling second hand fashion
  • Supported with the feature development and synchronisation with the backend team and UI team; 95% remote
  • Technologies: Java, Dagger, MVP, JUnit

Senior Android Developer /Consultant

2018 - 2018

Pumpkin24 UG

  • Pumpkin backs HeyRide, making mobility free for passengers
  • Supported with consulting on SDK and MVP design
  • Development of the MVP app that was used to showcase taxi booking through IoT connected devices; 100% remote
  • Technologies: Kotlin, Java, MQTT, MVP, JUnit

Senior Android Developer / Project Manager

2016 - 2018

TruckIN Europe

  • TruckIN was founded to innovate the road logistics industry
  • Lead development and project management of a truck driver's app (maps, routing, POIs, jobs) from prototype to Play Store release
  • Re-designed the prototype's architecture to MVP, designed and developed many new features (mapping, POI handling, mobile job portal, 1:1 chat)
  • supervised one Junior Android Developer and one external developer; cooperated closely with management, backend team and external UI team within a distributed office setup
  • Technologies: Java, Kotlin, MVP, Retrofit, HERE Maps Premium SDK, RxJava, Firebase Cloud Messaging, Firebase Realtime Database, Firebase Remote Config, JUnit, Mockito, Espresso

Android Developer

2013 - 2016

Dailyme TV

  • Dailyme TV is a free mobile TV solution
  • Responsible for feature development and maintenance
  • Technologies: Java, Retrofit, XML, Firebase Cloud Messaging, Firebase Remote Config, JUnit, several ad frameworks

Education & Certification

Diploma in Media and Computer Science

2002 - 2009

TU Dresden

Languages

German

Native or bilingual

English

Full Professional

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