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Vladimir Y
🇺🇦Ukraine (UTC+02:00)
Created AtUpstaffer since March, 2021

Vladimir Y — Java Software Engineer

Expertise in Back-End Web.

Last verified on November, 2025

Core Skills

Java SE
Java EE
JavaFX
PHP
PHP
JavaScript
JavaScript

Bio Summary

• 11 years of practical experience in software development.
• Excellent experience with application engineering, architecting and development. Capable of analyzing, designing complex, high loaded systems, efficient resources management and problem solving. Quick learner of new technologies.
• Fluent English level.

Technical Skills

Programming LanguagesC, C++, JavaScript, Pascal, PHP, Python, Swift
Scala FrameworksAkka
Scala Libraries and ToolsAkka
.NET PlatformAzure
UI Frameworks, Libraries, and BrowsersCSS, DHTML, HTML, XML
Java Libraries and ToolsEnterprise Javabeans, Guava, Jackson, Java EE, JavaFX, Java SE, JDBC, Swing
JavaScript Libraries and ToolsEnterprise Javabeans
Mobile Frameworks and LibrariesGson
Java FrameworksHibernate, Spring
PHP Libraries and ToolsKohana Framework
PHP FrameworksZend
Databases & Management Systems / ORMHibernate, Microsoft SQL Server, MongoDB, MySQL, Oracle Database, PostgreSQL, Redis
Cloud Platforms, Services & ComputingAWS, Azure, GCP
Amazon Web ServicesAWS S3
Google Cloud PlatformGoogle App Engine
Message/Queue/Task BrokersApache ActiveMQ, Kafka, RabbitMQ
Web/App Servers, MiddlewareApache HTTP Server, JBoss, Nginx, Windows Server
QA, Test Automation, SecurityApache Maven, JUnit
Operating SystemsCentos, macOS, Oracle Solaris, RedHat, Ubuntu, Windows
SDK / API and IntegrationsFaceApi, Facebook Graph API, Log4j, Windows API
Version ControlGit, Mercurial
Deployment, CI/CD & AdministrationGradle
Other Technical SkillsGAE, GCM, Netty, Smarty Templating Engine

Expirience

Senior Software Engineer

July 2016 – Now

Description:High loaded solution for cloud backups of cloud services like Office 365, G Suite, Salesforce, Box

Responsibilities:Software development, scalable system architecture design, design specification creation, performance analysis, bug fixing, unit testing, code review, DAO’s, building deployment flow (CI/CD procedures), conducting deployment, requirements analysis, creating documentation, communicating with customer, leading and mentoring junior developers.

Technologies/Environment:Java (J2SE 8), C#, Python, HTML+CSS+JS+Angular, Spring Boot, Spring Framework, Servlets, REST web services, JUnit 4/5, Dropwizard, AWS, ElasticSearch, MongoDB, ActiveMQ, RabbitMQ, Kafka, Jenkins, Maven, Git

 

Senior Software Engineer, Private Betting

May 2018 – May 2019

Description:Betting platform for closed betting club

Responsibilities:Leading and mentoring team of developers, system architecture design, design specification creation, requirements specification and creating granular tasks for developers, performance analysis, bug fixing, code review, building deployment flow (CI/CD procedures), conducting deployment.

Technologies/Environment:Java (Java 12), HTML+CSS+JS, Spring Boot 2, Spring Core, Spring Thymeleaf, Spring Security, Spring Data, REST web services, WebSocket, JUnit 5, GCP, MongoDB, Jenkins, Twilio, Maven, Git

 

Senior Software Engineer, nVPN

December 2018 – May 2019

Description:nVPN service is called to provide a secure and private connection within a public network.

Responsibilities:Development of desktop application, performance analysis, performance optimizations, system architecture redesign, requirements specification and creating granular tasks for developers, code review.

Technologies/Environment:Java SE 8, Java FX 8, EJB3, REST web services, JDBC, NoSQL, Junit, log4j, Gson, geoip services, Azure, Java FX Application, Derby SQL, OpenVPN, Maven, Git

 

Software Engineer, AllGoals

January 2016 – August 2016

Description:Worldwide live scores and free push notifications. Standings, Fixtures, Top Scorers, Stats.

Responsibilities:Software development, bug fixing, unit testing, DAO’s, deployment, documentation, communicating with customer.

Technologies/Environment: Java (J2SE, J2EE7), PHP, EJB3, Servlets, REST web services, JDBC, NoSQL, Junit, Google Cloud Services, APNS, GCM, Google App Engine, Google Cloud SQL, Google Cloud Storage, MySQL, Jenkins, Maven, Git

 

Software Engineer, nVPN

August 2015 – August 2016

Description:nVPN service is called to provide a secure and private connection within a public network

Responsibilities:Development of desktop client for comfortable VPN connections operating, performance analysis, performance optimizations, software development, design, unit testing, manual testing, deployment, bug fixing, code review.

Technologies/Environment: Java SE 8, Java FX 8, EJB3, REST web services, JDBC, NoSQL, Junit, log4j, Gson, geoip services, AWS, Java FX Application, Derby SQL, OpenVPN, Maven, Git

 

Software Engineer, Big Yotta

May 2015 – March 2016

Description:This project is to create cross platform desktop client application and server side application for handling genetic data uploads of arbitrary size.

Responsibilities:System architecture design, development of highly secured, scalable and fault tolerant desktop client for transferring big files, performance analysis, performance optimizations, design, unit testing, manual testing, deployment, bug fixing, code review.

Technologies/Environment:Java SE 8, Java FX 8, EJB3, Spring Framework, Guava, REST web services, JDBC, NoSQL, Junit, log4j, Gson, compression libraries, Java FX Application, HikariCP, Derby SQL, HsqlDB, EhCache, Maven, Git, Azure, auto-provisioning of Azure nodes for data processing.

 

Software Engineer, Slotomania

December 2015 – March 2016

Description:Slotomania is the number one free slots game in the world. Social video slots casino

Responsibilities:Software development, bug fixing, unit testing, DAO’s, deployment, documentation creation, communication with customer.

Technologies/Environment: Java (J2SE, J2EE7), EJB3, Servlets, REST web services, Spring Framework, Kafka JMS, JDBC, NoSQL, Junit, Akka, Tomcat 7/8, Couchbase 1.8/2.0, MySQL, Kafka, Facebook Graph API, Maven, Git, Team City

 

Software Engineer, Caesars Casino

April 2014 – December 2015

Description:Virtual, play-for-fun casino game with video slots, roulette and blackjack options. Caesars Casino is an online social game owned by Caesars Interactive Entertainment, Inc.

Responsibilities:Software development, bug fixing, unit testing, DAO’s, deployment, documentation creation, communication with customer.

Technologies/Environment:Java (J2SE, J2EE7), EJB3, Servlets, REST web services, Spring Framework, Kafka JMS, JDBC, NoSQL, Git, Junit, Akka, Tomcat 7/8, Couchbase 1.8/2.0, MySQL, Kafka, Facebook Graph API, Maven, Git, Team City

 

Software Engineer

September 2013 – January 2014

Description:Cloud notification service development for Android/iOS push message delivery

Responsibilities:Software development, bug fixing, unit testing, DAO’s, deployment, documentation.

Technologies/Environment:Java (J2SE, J2EE6), EJB3, CDI, REST web services, JMS, NoSQL, JUnit, Jackson, APNS, GCM, Apache Solr, MS SQL Server, JBoss EAP 6.1, Cassandra, Infinispan, Tibco, RHEL 6.x, Maven, SVN, Jenkins, HP Fortify

 

Software Engineer, Berimbi, MoneyMania

May 2012 – March 2014

Description:Backend development for high loaded online trading game.

Responsibilities:Software development, bug fixing, unit testing, parsers, DAO’s.

Technologies/Environment:Java (J2SE, J2EE6), EJB3, CDI, Servlets, REST web services, JMS, JDBC, NoSQL, algortims and extensive data structures usage (AVL-trees, RB-trees), SVN, TomEE 1.6, Couchbase 1.8/2.0, Netty 3.6, EHCache 2.6, PostgreSQL 9.2, ActiveMQ 5.x, RHEL 6.x, Amazon EC2, S3, Facebook Graph API, Maven, SVN, Jenkins

 

Software Engineer, Kampai.

November 2009 – May 2011

Description:Internet resource for reading Anime and manga.

Responsibilities:System architecture design, software development, design, functional testing, unit-testing, documentation creation.

Technologies/Environment:PHP, SQL, HTML, Javascript, jQuery, CSS3, Bootstrap, AJAX, XML, Cron, Apache HTTP Server, MySQL 4, Git, Campfire

 

Software Engineer

May 2010 – November 2010

Description:Internet resource for sharing useful information and communication between students.

Responsibilities:System architecture design, software development, design, functional testing, unit-testing, documentation creation.

Technologies/Environment:PHP, HTML, XML, XSLT, CSS2, SSL, SQL, AJAX, Smarty templating engine, DLE, Apache HTTP Server, MySQL 4, Git

Education

M.S. in Automatics and computer controlled systems

2014 – National Technical University

B.S. in Automatics and computer controlled systems

2013 – National Technical University

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