Hello! I'm Aleksandr (Oleksandr )
Mobile Software Engineer from 2012 yr. Basically I'm working with projects for Android platform . Have some experience with kotlin Back End Spring Boot. Have a big experience to work remotely with different teams from different countries .
Prefer to work by contract.
I like to do sport (gym). Also I like bicycle , nature, sport cars, speed.


Aleksandr
Kotlin (Java) Back End Developer,
Spring Developer,
Senior Android Developer,
Data Scientist/ML
Business address:
Odessa, Ukraine, 65104
EXPERIENCE
2022 Sep - at present
Developing core for my own project, learning backend
My own project
Project: 1. Core for my project.
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Learning Spring Framework, Data, Rest, Security, Hibernate etc. Learning Vaadin framework . Full Stack pet demo project on VPS Server Ubuntu 22.04 with Kotlin : Backend Spring Boot + Vaadin Flow + Android Client - Real time GPS location server . Link to my demo project : https://xandr-demo.zapto.org/ui/gps/observe?deviceId=1fecfdec-c7ee-4955-a476-8f4011f2b1bf .
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Small video tutorial : https://youtu.be/6-MCoauKOl0
2020 Sep - 2022 Sep
Lead Android Developer Remote
Project: Golf , Baseball mobile app.
Kotlin, Kotlin Coroutines, Kotlin Mobile Multiplatform, Koin DI, Dagger DI, ViewModel, Greendao DB, RxJava(RxKotlin) + Retrofit2 , Java, Android clean architecture, SOLID, realm DB ...
2019 Dec - 2020 Aug
Android Team Lead
Senior Android Developer.
Kotlin, Kotlin Coroutines, LiveData, ViewModel, realm, RxJava(RxKotlin) + Retrofit2 , kodein, android clean architecture, SOLID, Firebase Cloud Messaging, navigation, firebase crashlytics, firebase analytics, glide, dynamicLinks, amplitude analytics
2019 May -2019 Dec
Senior Android Developer.
Kotlin, Kotlin Coroutines, Data Binding Library, LiveData, ViewModel, ormlite, RxJava(RxKotlin) + Retrofit2 , Dagger 2, Java, android clean architecture, SOLID, Firebase Cloud Messaging, lombok
2019 Jan -2019 Apr
Java Back-End Developer.
Mobistream Solutions Inc.
Stack and technologies : Java 8, Streams, Lambdas , Spring Boot, WebFlux, JPA, Hibernate , Postgresql, Spring Data, Spring REST, Jwt, Junit5, Mock.. , Flyway, Docker, Docker compose , Encryption, Lombok, Maven.
2018 Feb-2018 Dec
Kotlin Back-End , Senior Android Developer , Architect, Founder.
Equinox.digital
Project: StopSpam . Call and sms blocker , for avoid scammers . Saas for exchange danger phone numbers.
Stack and technologies : Kotlin , Spring Boot, WebFlux, JPA, Hibernate , Postgresql, Spring Data, Spring REST, Spring Hateoas, Junit5, Mock.. , Flyway, Docker, Docker compose , Firebase cloud messaging, Gradle.
2016 Mar -2018 Jan
Mobile Software Engineer (Remote)
RxJava(RxKotlin) + Retrofit + Android Architecture Components (Room), RxBinding, Dagger, Kotlin, Java, AWS S3 Groove deployer, android clean architecture, SOLID, CI (TCity), sonatype Nexus.
2015-2016
Full stack Software Engineer (Remote)
Full stack Software Developer. Android app , NFC payment system , Java EE, Hibernate, Tomcat, Google GCM (FCM).
2015-2015
Mobile Software Engineer (Remote)
2013-2015
Mobile Software Engineer (Remote)
2011-2013
Junior Android Developer
Artex (trade company)
Apps:
SQL Lite
Zxing barcode library
NTPservers server
SAXParser xml
AsyncTask
DefaultHttpClient
Proguard
BaseExpandableListAdapter
AsyncTask
Thread
Android Service
Google Play In-app Billing
Socket
DESSecretKey
NTPservers server
EDUCATION
Odessa National Polytechnic University
Institute of radio electronics and Telecommunications
Department of radio engineering equipment
Diploma regarding radio equipment.
Theme of diploma: digital filters.
Strong mathematics and algorithms skills.
1998-2003
Specialist Degree
SKILLS

Android
Kotlin
Kotlin Coroutines
Retrofit
Firebase Cloud Messaging
JUnit
Groove
NFC
Material design
Swift
Socket.io
AWS S3 bitbucket (Gradle API)
Java EE
Apache Tomcat,WildFly
Hibernate
Primefaces
Java
RxKotlin
Dagger
SQLite
Git
Gradle
Multithreading
iOS
Objective-C
JIRA
TDD
PostgreSQL,MySql
Bash
TDD
Vaadin
Сuba Platform