Andrej Skeledzija, Quality Assurance Developer in Osijek, Croatia
Andrej Skeledzija

Quality Assurance Developer in Osijek, Croatia

Member since January 16, 2018
Andrej is a certified software engineer in test (QA) with almost 15 years of progressive experience in software testing methodologies, best practices in test automation and a variety of test tools. He achieves project objectives through passion, commitment, and expertise. He has hands-on experience in complex testing efforts on projects with multiple integration points and aggressive deadlines.
Andrej is now available for hire




Osijek, Croatia



Preferred Environment

macOS, IntelliJ IDEA, VS Code, Git, Jira, Agile

The most amazing...

...thing I've coded is an algorithm that uses REST API to import a huge amount of test data in a short time that simulates real use cases in large scale projects.


  • Software Development Engineer in Test (SDET/QA)

    2019 - PRESENT
    Rady Children's Hospital - San Diego
    • Created detailed and comprehensive test plans and test cases according to requirements specifications.
    • Reviewed existing test cases and requirements for gaps.
    • Manually tested, validated, and reported on the results.
    • Actively involved in maintaining the stability of the released production version.
    • Helped them build the QA process under Agile software development.
    • Prepared and implemented test automation using Cypress E2E Testing Framework.
    Technologies: JavaScript, Cypress, Python, Pytest, REST API, Web-based Testing, JIRA, Confluence
  • External Assistant/Associate

    2018 - PRESENT
    Faculty of Electrical Engineering, Computer Science and Information Technology Osijek
    • Actively participated in curriculum development that clearly outlined the course requirements, goals, and objectives.
    • Developed and conducted laboratory exercises related to software testing methods and techniques.
    • Guided and mentored students.
    • Evaluated and monitored student progress.
    • Participated in departmental and college activities.
    Technologies: Software Testing Methods and Techniques
  • Software Development Engineer in Test (SDET/QA)

    2016 - PRESENT
    • Created and maintained test automation framework using Java, Selenium Web Driver, and REST-Assured.
    • Automated Load and Longevity (soak) test using Apache JMeter.
    • Developed a program for automatic import of large-scale data using Node.js.
    • Performed exploratory test runs and used the gathered information to build and improve test cases.
    • Developed and maintain continuous integration using Jenkins.
    Technologies: Java, TestNg, JMeter, Maven, Git, Jenkins, JIRA, REST API, Selenium WebDriver, Appium, Node.js
  • Software Development Engineer in Test (SDET/QA)

    2015 - 2017
    Napster (Rhapsody International)
    • Created detailed and comprehensive test plans and test cases.
    • Estimated, prioritized, planned, and coordinated quality testing activities.
    • Developed and maintained continuous integration using TeamCity.
    • Developed and maintained automated test harness using Java, MySQL, and JUnit.
    • Performed security tests against production release using OWASP ZAP tool.
    • Actively participated in maintaining the stability of the released production version.
    Technologies: Java, MySQL, JUnit, REST, SOAP, TeamCity, OWASP ZAP
  • QA Engineer/Team Lead (Mobile Testing)

    2012 - 2016
    • Managed, implemented, and maintained effective software test processes.
    • Defined the scope of testing within the context of each release/delivery.
    • Planned, deployed, and managed the testing effort for any given engagement/release.
    • Coordinated all testing activities during every stage of the test process.
    • Conducted meetings, gave reports, and actively participated in the QA hiring processes.
    • Led the QA team and was responsible for the quality of the released product.
    Technologies: Java, iOS, Android
  • System Integration and Test Engineer (STE)

    2006 - 2012
    • Analyzed the project documentation such as requirements specification, user stories, and use cases.
    • Designed the test case specifications.
    • Executed manual and automated tests at all levels (system, integration, regression, and acceptance).
    • Performed the acceptance testing on the customer’s site.
    • Developed automated tests using IPSL (independent protocol simulator language (Siemens)).
    • Investigated customer complaints and non-conformance issues.
    Technologies: Java, Linux, SQL, Oracle, IPSL


  • Rady Children's Hospital - San Diego (Development)
  • IRMN Planet (Scopic) (Development)

    Developed automated UI and REST API tests for a fully cloud-based SaaS application used for designing and modeling network infrastructures.

  • RealTimes with RealPlayer (RealNetworks) (Development)

    Led the software testing activities and processes for RealTimes with RealPlayer application (iOS and Android) which automatically makes video stories from best photos and videos on mobile or the cloud.

  • Napster Music (Rhapsody International) (Development)

    Developed and maintained automated tests for an online music store subscription service called Napster (formerly Rhapsody).

  • Mobile Test Automation (Appium) - iOS and Android Test Framework (Development)

    This is a test project but can serve as an example of how to develop a good functional test framework for mobile testing using Appium.

  • Telecom Services (Siemens) (Development)

    Tested and integrated various telecom service components (e.g voucher management) for various telecom companies and performed the acceptance testing on the customer’s site.


  • Languages

    JavaScript, Java, Python, SQL
  • Frameworks

    TestNG, Selenium,, Appium
  • Libraries/APIs

    Node.js, Selenium WebDriver, REST APIs
  • Tools

    Postman, Apache JMeter, Cucumber, Pytest, Jenkins, Jira, Git, Atlassian Confluence
  • Paradigms

    Test Automation, Software Testing, Manual Testing, Automated Testing, Agile, Testing
  • Other

    Web-based Testing, Web App Testing, Manual Software Testing, QA Leadership, Regression Testing, Web UI, QA Testing, QA Test Plan Management, Quality Assurance (QA), Manual QA, QA Automation, Software QA, esp


  • Master's degree in Computer Science
    2009 - 2012
    University of Osijek, Faculty of Electrical Engineering in Osijek - Osijek, Croatia
  • Bachelor's degree in Computer Science
    2000 - 2004
    University of Osijek, Faculty of Electrical Engineering in Osijek - Osijek, Croatia


  • ISTQB® Certified Tester - Foundation Level

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