Vanja Paulik, Developer in Osijek, Croatia
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Vanja Paulik

Verified Expert  in Engineering

Quality Assurance Developer

Osijek, Croatia
Toptal Member Since
February 16, 2018

Vanja is a software testing engineer who's very experienced in functional and regression testing using C#/Selenium and Ruby/Watir. Having worked on several enterprise applications, he enjoys stepping into challenging environments and tackling defects. He communicates remarkably well and has worked with and managed teams of varying sizes.


QA Automation, Jira, Apache JMeter, Jenkins, Cucumber, Ruby, Selenium, Appium...
QA Automation, Microsoft SQL Server, Selenium, C#, .NET
Wikis, Redmine, Java, FitNesse




Preferred Environment

Git, Watir WebDriver, Cucumber, RubyMine, MacOS

The most amazing...

...thing I've developed is an automated test harness for the end-to-end testing of an enterprise application.

Work Experience

QA Lead

2016 - 2017
  • Designed, developed, and implemented an end-to-end test harness for a web application, mobile applications, and third-party integrations.
  • Researched and executed the integration of the latest testing technologies and methodologies in the QA process.
  • Designed and executed composite test suites for the UI, integrations, and database (ETL) testing.
  • Ensured that the test code was easily readable, maintainable, and reusable by designing and developing the Selenium Page Object Model (POM) implementation.
  • Defined the quality standards and metrics for projects in development. Ensured that all the development tasks and processes met the quality criteria.
  • Led the QA team and was responsible for the quality of the IT enterprise solutions for dairy farms.
  • Conducted meetings, gave reports, and actively participated in the QA hiring processes.
Technologies: QA Automation, Jira, Apache JMeter, Jenkins, Cucumber, Ruby, Selenium, Appium, TestRail

Software Tester

2014 - 2017
  • Designed, specified, and accomplished extensive and automated test suites and test scenarios using C#/Selenium.
  • Defined and executed web performance tests for a load-balancing web application.
  • Supported the development activities with white-box testing based on the analysis of the internal structure and system components.
  • Recognized and fixed all important issues and commanded the bug/defect identification and resolution. Made sure that all involved parties were aware of the QA status.
  • Performed high-level exploratory test runs and used the gathered information to build and improve test cases.
  • Wrote technical specifications, created wireframes, and designed the mockups for application features.
Technologies: QA Automation, Microsoft SQL Server, Selenium, C#, .NET

IT Manager

2012 - 2014
  • Defined the specifications and mockups for the intranet application used by hundreds of people around the world every day.
  • Designed the test flows and test suits for the manual and automated testing using FitNesse.
  • Performed system testing and managed the acceptance testing for the entire platform.
  • Managed the development team and its activities.
  • Implemented and maintained the organization's wiki.
Technologies: Wikis, Redmine, Java, FitNesse


I led the software testing activities and processes for Farmeron's big data enterprise application which helps farmers across the world to manage their farming data online and to do farm performance analysis using exciting statistics.

IntraWeb Exchange Platform

I defined the project specifications and requirements, designed mockups, and performed testing of the web application used by IAESTE for the management and administration of thousands of international student exchanges each year.


I designed and developed the systematic monitoring of the organization's activities through a web application utilizing user, task, and project management. This enabled the organization to have a thorough and transparent overview of all members and their contributions.


Ruby Page Object, Watir WebDriver


Jira, Cucumber, TestRail, Microsoft Visual Studio, RubyMine, Jenkins, Apache JMeter, FitNesse, Redmine, Git


TestCafe, Selenium, TestNG, .NET, Appium


Functional Testing, E2E Testing, Testing, REST


Microsoft SQL Server, MySQL


Java, Ruby, JavaScript, C#, SQL


MacOS, Web


Quality Assurance (QA), QA Test Plan Management, QA Leadership, Selenium Page Object, Test Cases, QA Automation, Wikis, Mobile Device QA Automation, Performance Testing, UX Testing

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