Kostiantyn A.
L'viv, Ukraine
100%
Job Success
Android app developer
$28.00/hr
I've been creating Android applications for 3 years, both freelance and full-time, having an opportunity to work with multiple projects and clients from all over the world.
I'm able to create and maintain Android apps using both Java and Kotlin, and I'm always willing to master the latest technologies in mobile development.
If you need someone who's reliable, communicative and committed to delivering exceptional applications, then you've found the right contractor.
Work history
Expert Android Developer for Hardware App
5.00
Jun 16, 2019
-
Nov 20, 2019
"Excellent freelancer"
Private earnings
Android Network Discovery App
Sep 19, 2019
-
Nov 8, 2019
No feedback given
Private earnings
Android application for Cryosauna remote control
5.00
Oct 4, 2018
-
Nov 6, 2018
"Good job!"
Private earnings
Navigation and delivery app (Oman Map)
5.00
Jul 5, 2018
-
Jul 12, 2018
"This was the first time using upwork and it was a pleasant experience to work with Kostiantyn and Valentyn. Their work exceeded my expectation and willing to do future project…
Private earnings
Mobile App Development
Mar 22, 2018
-
Jul 3, 2018
No feedback given
Private earnings
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Skills
- RESTful Architecture
- Model View Presenter
- Unit Testing
- SQL Programming
- RxJava