Profilbillede af tumakha
Medlem siden 20. maj 2014
4 Anbefalinger


Online Offline
I am a Senior Scala /Java Developer with 10+ years of experience in architecture design and development with strong problem solving skills. Self-motivated and able to work independently without supervision. Strong self-organization and time-management skills. KEY SKILLS AND COMPETENCIES ● Java Back-End: Java 8/11, Spring Boot/Data/MVC/Cloud, JPA, Kafka, Gradle, Maven ● Scala Back-End: Scala, Spark, Akka (Cluster, Streams, Http), Play, Cats, Slick, SBT ● Databases: MySQL, Oracle, MongoDB, Cassandra ● Testing: JUnit, DbUnit, JsonUnit, XMLUnit, Mockito, TestNG, REST Assured, Selenium
$50 USD/hr
29 anmeldelser
  • 97%Jobs udført
  • 97%Indenfor Budget
  • 100%Til Tiden
  • 16%Genansættelsesfrekvens

Portfolio Items

Nylige bedømmelser


Senior Scala/Java Software Engineer

Aug 2019 - Feb 2020 (6 months)

Scala, Java, AWS, Apache Spark, Akka, Akka Http, Play, Kafka, Cassandra

Senior Java Software Engineer

Apr 2018 - Jun 2019 (1 year)

Telematics Platform development. Java 8, Microservices, AWS, Spring Boot, Spring Cloud, Consul, Marathon, Kafka, Cassandra

Scala Developer

Jul 2017 - Mar 2018 (8 months)

Implemented Archipelago framework integration components for Database, JMS, HTTP, JSON, XML and sort/aggregate/transform components. Skills: Scala, Akka, Slick, scalatest, SBT, Git, JMS, JSON, XML

Software Engineer

Feb 2017 - Jun 2017 (4 months)

Java 8, Maven, AWS, Amazon SQS, DynamoDB, Activiti workflow

Senior Java/Scala Developer

Feb 2014 - Jan 2017 (2 years)

Skills: Java, Maven, Camel, Spring, JPA, Spring Boot/Data/MVC, JIRA plugin development, jQuery, Git. Scala, Akka, SBT, Play framework.

Senior Java Developer

Sep 2013 - Jan 2014 (4 months)

Skills: Maven, Spring, Hibernate, JMS, XML, XSLT, JUnit, Java Implemented new features and data types for bank trades processing. Improved testing coverage and continuous integration system.

Senior Java Developer

Jan 2012 - May 2013 (1 year)

Skills: Mercurial, Maven, Oracle, Hibernate, Spring, JPA, REST, ActiveMQ, Tapestry, Java Implemented beta version of Playtech ProTrack internal solution. Solved conflicts with integration with existing systems.

Senior Java Developer

Dec 2007 - Jan 2012 (4 years)

Thomson Reuters December 2007 - January 2012, Kyiv, Ukraine Skills: Hibernate, JPA, Spring, Spring MVC, Web Services, Maven, JUnit, Java Implemented new features for Thomson Reuters commercial portals and internal services. Implemented universal cross-project authorisation plugin. Increased testing coverage and code quality.

Senior Java Developer

Dec 2006 - Dec 2007 (1 year)

Skills: Java, J2EE, MULE ESB, Web Services, JUnit, Cactus, Ant Developed web-application for managing customer profiles, with modules for import/ export profiles data in XML by HTTPS, FTP [login to view URL]

Java Developer

Feb 2006 - Dec 2006 (10 months)

Skills: Java, J2EE, Servlets, JSP, Struts, Oracle PL/SQL, Oracle CM SDK Development of web-application. Designing database Web-application for internal use on ChNPP. It is intended for work with electronic archive of documents, interaction with the integrated automated monitoring system of object "Shelter", generation of reports, management other data.

PHP Developer

Mar 2005 - Dec 2005 (9 months)

Skills: PHP, DHTML, MySQL, XML, XSL, UML, OOD SMS Portal for bulk message sending. The postponed sending, integration with client sites. [login to view URL]


Masters degree, Computer Technologies Faculty

1997 - 2002 (5 years)


Big Data Analysis with Scala and Spark (2017)


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Functional Program Design in Scala (2016)


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Parallel programming (2016)


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Deep Learning Specialization (2020)


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Lightbend Akka Streams for Scala Professional (2020)

Lightbend, Inc.

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Lightbend Akka Cluster - Sharding (Scala) (2020)

Lightbend, Inc.

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  • SQL Level 1
  • Java Level 1
  • Java Level 2
  • UK English 1


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