Vitalii Kozak

Senior Software Engineer at No Fluff Jobs
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Contact Information
us****@****om
(386) 825-5501
Location
Warsaw, Mazowieckie, Poland, PL
Languages
  • English Full professional proficiency
  • Polish Full professional proficiency
  • Ukrainian Native or bilingual proficiency

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Bio

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Credentials

  • ISTQB Foundation Level
    -

Experience

  • No Fluff Jobs
    • Poland
    • IT Services and IT Consulting
    • 100 - 200 Employee
    • Senior Software Engineer
      • Oct 2021 - Present

  • Samsung Electronics
    • South Korea
    • Computers and Electronics Manufacturing
    • 700 & Above Employee
    • Software Engineer
      • Mar 2021 - Apr 2021

      Projects: - Development of systems based on microservice architecture (Spring Boot, JPA, Hibernate, Node.js, Message brokers) and monolith applications. - Providing technical expertise and analysis of projects focused on design, performance, and overall code quality. - Performance optimization and refactoring of Java and Kotlin projects.Responsibilities: - Gathering and interpreting requirements from clients. - Building technical roadmaps and strategies, looking ahead for future blockers and opportunities. - Producing clean, efficient code based on specifications. - Preparing CI/CD pipelines. - Providing consultations, technical supervision, and support to other development teams. - Detecting potential and existing performance problems, bottlenecks, memory leaks, security issues in Java and Kotlin projects. Show less

    • Junior Software Engineer
      • Sep 2016 - Feb 2021

    • Senior Software Tester
      • Mar 2016 - Aug 2016

      Preparing test cases, test scripts (Selenium, Appium), and test data.Executing manual and automatic tests.Preparing detailed defect reports.

    • Software Tester
      • Sep 2015 - Feb 2016

  • MIM-Kyiv Business School
    • Ukraine
    • Higher Education
    • 1 - 100 Employee
    • Engineer of computer systems
      • Apr 2012 - Jul 2013

      Servers (Windows, Linux) and network administration. Hardware maintenance and repair. Implementing new functionality for e-learning website. Helpdesk. Servers (Windows, Linux) and network administration. Hardware maintenance and repair. Implementing new functionality for e-learning website. Helpdesk.

  • Ianta Plus
    • Kyiv City, Ukraine
    • Engineer-Programmer
      • Sep 2009 - Sep 2010

      Writing modules for ERP system, consulting. Servers and network administration. Remote support. Writing modules for ERP system, consulting. Servers and network administration. Remote support.

Education

  • National Technical University of Ukraine 'Kyiv Polytechnic Institute'​
    Master's degree, Micro- and Nanoelectronics
    2006 - 2013

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