Senior Android Developer

12/2015 – offen

❖ Design and build advanced applications for the Android platform
❖ Developing Android Application with Kotlin
❖ Working with JsonApi,​ ​GraphQl​ ​and​ ​Apollo
❖ Collaborate with cross-functional teams to define, design, and ship new features.
❖ Work on bug fixing and improving application performance.
❖ Continuously discover, evaluate, and implement new technologies to maximize
development efficiency.
❖ Design and implement sophisticated features in existing Android applications
❖ Collaborate with the product team to plan, design and execute new features
❖ Troubleshooting bugs in Android applications
❖ Analyze and optimize Android applications
❖ Produce fully functional mobile applications writing clean, testable code
❖ Support the entire application life-cycle
❖ Maintaining existing code-base

Java ME (Java Platform, Micro Edition), Functional reactive programming (FRP), Kotlin

6/2015 – 11/2017

Chef.one is an app similar with AirBnB but for Foods. I recently started to work remotely on
this APP and currently we are 2 Android developers in this project.
➢ Used Parse.com for server side and we are using Parse Library to communicate with
server and fetch data
➢ Used RxJava​ and RxAndroid
➢ Used Picasso​ to download and cache images from the REST API
➢ Used ButterKnife​ to access xml layout's view elements
➢ Used Git​ for version control
➢ Used Google​ ​Map​ and GCM​ from google library
➢ Used RetroLambda​ and Java1.8

Android, Android Entwicklung, Kotlin

2/2015 – 8/2015

Android​ ​Developer​ ​for​ ​[...] ​Android​ ​APP
[...] is an app that enables users to design postcards through taken picture from
camera, phone gallery, Facebook or Instagram. User will also set some texts on the postcard
and will fill the address and will make order and pay for the prepared postcard. After thatthe [...] company will receive this order in their backend, they will prepare it and set it to the
requested address.
➢ Design and development of Back-End (through PHP and MySql​) and Front-End
(through Android​)
➢ Used Loopj​ for making Asynchronous requests to the server.
➢ Used GSON​ to serialize Json data and save it locally
➢ Used Picasso​ to download and cache images from the REST API
➢ Used ButterKnife​ to access xml layout's view elements
➢ Used Git​ for version control
➢ Used FSLogger for log manager
➢ Incorporated Google​ ​services​ API's
➢ Individual implementation of Google​ ​Map​, Location​ service, and Geocoding
➢ Make APIs and Call back pages for payments
➢ Used Paypal payment in Android and hypercharge for paying through
website(-Hyperlink entfernt-)
➢ Made REST API for Coupons, Get Settings, Prices, Products, Upload PostCards,
Payments, Get Order detail, Get and ADD Projects and so on.
➢ Make Convert Postcard Images and info to ready PDF for printing

mySQL, Android, Android Entwicklung, Symfony (Framework), PHP, jQuery