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Stefan Varga, Software Developer in Bratislava, Bratislava Region, Slovakia
Stefan Varga

Software Developer in Bratislava, Bratislava Region, Slovakia

Member since October 29, 2014
Stefan is a qualified software developer with a computer science degree and nearly a decade of experience in the tech industry. He has founded startups, worked on eCommerce and B2B projects, and more. He is an efficient, reliable individual, and will be an asset to any development team.
Stefan is now available for hire



  • JavaScript, 7 years
  • jQuery, 4 years
  • MySQL, 4 years
  • AngularJS, 1 year
Bratislava, Bratislava Region, Slovakia



Preferred Environment

Windows/Linux, Eclipse, Git.

The most amazing...

...thing I've coded is an ERP system with many custom calculations and workflow automations.


  • Front-end Developer

    2014 - PRESENT
    Unionsoft s.r.o.
    • Updated the front-end to a new visual design.
    • Fixed bugs in the website's content editing module (a small CMS) and added new types of content blocks.
    • Wrote protractor e2e tests for front-end functionality of the whole system.
    • Wrote unit tests for some modules of the system.
    • Customized the system for several different customers - both graphics and functionality.
    Technologies: JavaScript, AngularJS, JSON, MongoDB.
  • Co-founder and Developer

    2011 - 2014
    Independent Startup Companies
    • Developed an SaaS application for process management of SMEs.
    • Programmed for a site that visualized financial information about private companies. The site presented company financial data collected from public sources.
    • Created parts of an IDE for Android –
    • Wrote responsive promo sites.
    • Built a site visualizing public information on government companies.
    Technologies: JavaScript, jQuery, HTML5, CSS3, Java, PHP, JSON, MySQL, PostgreSQL
  • Programmer

    2006 - 2010
    Alson s.r.o.
    • Built an ERP for an SME company.
    • Developed and deployed custom eCommerce sites for medium-sized B2B distributors, engaging in real-time communication with enterprise ERPs.
    • Coded front-ends for document management systems for enterprise companies and government organizations.
    • Built software for data collection and reporting of mystery shopping.
    • Worked on middleware optimization of a BPEL system for a major telco.
    • Built a social networking site for grandparents to connect with grandchildren.
    • Coded a process management system for a major factory.
    Technologies: JavaScript/jQuery, Java/J2EE, Hibernate, XML, MySQL/MS SQL/Oracle DB.


  • Touchqode (Development)

    An IDE for Android devices.

  • Data Visualization Site (Development)

    Visualization of government-owned companies' financials.

  • Building an MVC Application with Spring Framework: A Beginner's Tutorial (Publication)
    The Spring Framework is a powerful, feature-rich, and well-designed framework for the Java platform. It offers a collection of programming and configuration models that aim to simplify and streamline the development process of robust and testable applications in Java. In this article, Toptal engineer Stefan Varga challenges the popular notion of Java as a complicated platform for simple needs, and walks us through a step by step tutorial to building a simple MVC application with the Spring Framework and JPA.


  • Languages

    HTML, CSS, SQL, Java, JavaScript, PHP, XML
  • Libraries/APIs

  • Frameworks

    Hibernate, Spring, AngularJS, Jasmine, QUnit, Protractor
  • Tools

    Eclipse IDE, CVS, Git, Grunt
  • Storage

    JSON, MySQL, Microsoft SQL Server, PostgreSQL


  • Master's degree in Computer Science
    2000 - 2005
    Comenius University - Bratislava, Slovak Republic
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