Marija Vasic, Quality Assurance Developer in Belgrade, Serbia
Marija Vasic

Quality Assurance Developer in Belgrade, Serbia

Member since January 4, 2018
Marija is a QA engineer with more than five years of experience, focused on delivering quality with respect for time, budget, and client’s satisfaction. With a good knowledge of agile development process, she focuses on manually testing applications for each build and release, creating test plans, and analyzing test results. Marija's working motto is "read it, see it, do it, show it."
Marija is now available for hire



  • Manual QA 6 years
  • Testing 6 years
  • Gaming 5 years
  • Web Service Testing 5 years
  • SoapUI 4 years
  • Apps 4 years
  • Scrum 2 years


Belgrade, Serbia



Preferred Environment

SoapUI, Git, Microsoft 365, Linux, Windows

The most amazing...

...project I've worked on is automation of web services and REST API for one of the biggest casino online, as well as doing math calculations for creating games.


  • QA Specialist

    2017 - PRESENT
    Novomatic Lottery Solutions
    • Manually tested each build and release.
    • Tested web services via Postman and SoapUI testing tool.
    • Performed automation testing in SoapUI using Groovy script.
    Technologies: Python, Ruby, Gherkin
  • QA Specialist

    2016 - 2017
    • Tested desktop and web applications in gaming industry including web services and REST API via SoapUI testing tool, an.
    • Performed automation testing in SoapUI using Groovy script and SQL (player registration, login, play games, responsible gaming, refer a friend program, etc.).
    • Resolved issues in live casino that players were facing.
    Technologies: Groovy
  • QA Specialist

    2015 - 2016
    • Tested web applications for e-government (new business register for Oman — a new company in Oman can now be registered in just a few minutes).
    • Ran and modified automated tests written in Selenium Java.
    Technologies: Java
  • QA Specialist, Mathematician

    2012 - 2015
    • Manually tested desktop applications for the gaming and betting industry (odds setting, resulting, and settlement for various kinds of events and markets, testing deposit and withdrawal at different payment providers).
    • Tested web services via SoapUI testing tool. Test automation in SoapUI using Groovy and SQL (end-to-end testing).
    • Manually tested mobile application on iOS (creating, opening events and markets for US betting).
    • Provided calculations for different kind of games, both for land based and interactive casinos.
    • Wrote documentation for different kind of markets including jurisdiction restrictions.
    • Created Python scripts for math calculations and testing written code.
    • Checked calculations done by someone else for interactive games (using law of large numbers, hit frequencies, symbol weight, calculating probability for particular event to occur).
    Technologies: Python, Groovy


  • Test Automation in SoapUI for one of the Biggest Casinos Online

    Web service and Rest API automated tests for registration, casino login, purchase, and game play including all scenarios (insufficient funds, blocked account, problem gambler, self exclusion, refer a friend, session timeout, responsible gaming, etc.).

  • Mathematics for Games for Reel Based Slot Machines

    Made calculations for base game, as well as special features of the particular game, based on game descriptions that are written by game producer (pay table, reel strips). Calculated return to player (payout) percentage (doing fine tuning both with Python and VB) for various markets (US, Europe) by satisfying gaming regulations. Wrote Python scripts, and integrating them with developers code as they could work together and merged with designer's parts of game, giving a complete game that could be played on (ATM) slot machines.

  • Calculations for Games That Could be Played in Casinos on Cruise Ferries

    Completed math calculations for special casino games that come with mystery progressive jackpot and can be played on Baltic ferries.

  • Rest API Automation Test

    SoapUI test automation of Static GoogleMaps API by validating if picture is displayed for given longitude and latitude values


  • Frameworks

    Selenium, JUnit
  • Tools

    SoapUI, Eclipse IDE, Git, Cucumber
  • Paradigms

    Testing, Scrum, Agile, Automation
  • Other

    Apps, Manual QA, Web Service Testing, Microsoft 365, Test Cases, Gaming, Web App Testing, Agile Software Testing
  • Languages

    Groovy, SQL, Python, Gherkin, Java, Ruby
  • Libraries/APIs

    Google APIs
  • Platforms

    Windows, Linux


  • Master's Degree in Telecommunication
    1998 - 2006
    Faculty of Traffic and Transport Engineering, Belgrade - Belgrade, Serbia

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