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Andrey K.

Mobile Developer

Experience: 9.5 years

About Me

Android Java Developer with 8+ years of  experience. Programming language:JAVA, Kotlin, Java-Script. Technologies:Android SDK, Multithreading, Lifecycle, REST API, Social networks API, MySQL, UI/UX, CSS. Version control:Git (BitBucket, GitHub).



Tel-Ran Computing Solution Ltd, Israel


Java & WEB developer – Program for software developer’s adaptation accordingly with Israel IT technologies by Jewish Agency.


CA "STEP" Software developer, Ukraine


Java, .NET, C++, PHP


Dniprovsk State Technical University, Ukraine


Master’s degree in Applied Math and Computer Science

Work and Experience


Android Developer

July | 2016 - July | 2021

Siren Group LTD, Switzerland

Developing applications for Android OS in Java. Respond to client needs for applications with an eye to the most feasible and effective solutions. Coordinate with team members to create client apps in a coordinated and timely manner. Ensure that apps are tested to meet total performance requirements. Optimize the interfacing of the apps with a variety of systems to ensure flexible and agile use. Integration with different services: payment systems, SMS-sending services, metrics (Firebase, Facebook), social networks (Facebook, Twitter), OAUTH2, etc.
Languages: JAVA, Kotlin.
Technologies: Android SDK, Camera API, Firebase, JUnit, REST, MySQL, UI/UX, Social Networks SDK’s, Abbyy SDK, Google Vision SDK, QR/Bar codes SDK.


Android Developer

July | 2013 - July | 2016

CY.SEND, Switzerland

Implemented features for various applications in Java. Determined architectural and product design details for open-ended tasks or specifications. Collaborated with quality engineers, user research, product management, design, and support teams to ensure quality in all phases of app development. Worked closely with core technology teams and other platform teams to balance cross-platform consistency with Android-optimization. Wrote elegant, self-documenting code, easy to read and adapt for other developers. Reviewed design specs and engineering docs and provided feedback.
Languages: Java.
Technologies: Android SDK, Camera API, Firebase, JUnit, REST, MySQL, UI/UX, Social Networks SDK’s.

Request Details

Andrey K.