Aleksandar Vucic, Software Developer in Beograd, Serbia
Aleksandar Vucic

Software Developer in Beograd, Serbia

Member since February 14, 2014
Aleksandar is a top IT (full-stack) developer with 7+ years of experience in various IT technologies. He has developed applications, API services, games, and more. He is a great team player with a strong understanding of business, UI, and all phases of development.
Aleksandar is now available for hire


  • Slicelife
    REST, Ruby on Rails (RoR), Ruby
  • WiseBubble
    C++, Android, Ruby on Rails (RoR), Ruby
  • ITU
    REST, AngularJS, Ruby on Rails (RoR), Ruby



Beograd, Serbia



Preferred Environment

Linux, OS X, Git, Vim Text Editor

The most amazing...

...project I've built is a secure virtual data rooms platform for the exchange of highly sensitive documentation.


  • Senior Ruby Developer

    2019 - 2019
    • Integrated SSO/OpenID Connect with Onelogin Service.
    • Integrated SMS and voice calls with Twilio cloud communications platform.
    • Wrote unit tests for existing code.
    • Refactored existing Ruby code.
    • Made some UI changes.
    Technologies: REST, Ruby on Rails (RoR), Ruby
  • Product Owner/Software Developer

    2016 - 2017
    • Worked on a custom SaaS/B2B platform based on Ruby, Rails, and Android technologies.
    • Helped integrate GraphqQL API.
    • Work on a C++ symbol recognition library for Android based on OpenCV framework.
    • Helped develop a reactive SPA using StimulusJS/Stimulus Reflex libraries with WebSocket page rendering.
    • Worked on an Android application with Ruby (Rails) server-side API integration.
    Technologies: C++, Android, Ruby on Rails (RoR), Ruby
  • Senior Web Developer

    2015 - 2016
    • Built a RESTful API.
    • Created a single-page application in AngularJS.
    • Handled both back-end and front-end development.
    • Integrated external services.
    Technologies: REST, AngularJS, Ruby on Rails (RoR), Ruby
  • Senior Software Developer

    2014 - 2015
    • Refactored Mastered platform's front end. Developed a new front-end user experience based on the Foundation CSS framework.
    • Refactored Mastered platform's back end by refactoring the data model.
    • Developed a new user experience. Implemented a new design with responsive features.
    • Improved the deployment procedure.
    • Improved existing tests. Developed new features using TDD.
    Technologies: Test-driven Development (TDD), AngularJS, CSS3, HTML5, Ruby on Rails (RoR)
  • Senior Software Developer

    2012 - 2014
    InterVenture GmbH – DRS
    • Refactored parts of the old virtual data rooms platform.
    • Contributed to the back-end development and architecture of the new platform.
    • Developed a SOA system for high-speed data exchange using technologies like Ruby, Grape, PostgreSQL, Redis, Elasticsearch, and RabbitMQ.
    • Developed a CAS (LDAP) server.
    • Developed various libraries for authorization, multi-factor authentication, Excel file conversion, etc.
    • Developed a public API and single-page application using AngularJS, among other technologies.
    • Developed other applications in a DRS ecosystem like Teaser, Shop, and Admin.
    • Reviewed code.
    • Interviewed and tested new candidates.
    • Re-engineered business processes.
    Technologies: Test-driven Development (TDD), AngularJS, AMQP, RabbitMQ, PostgreSQL, Redis, Elasticsearch, Grape, Ruby on Rails (RoR), Ruby
  • Senior Ruby on Rails Developer

    2010 - 2012
    • Designed and architected a social network platform.
    • Developed the platform using Ruby on Rails, Flash AS3 (P2P communication), PostgreSQL, and Elasticsearch.
    • Developed the public API.
    • Coordinated with a small team of five people, including myself.
    • Handled front-end development using JavaScript, jQuery, and Backbone.
    Technologies: jQuery, Backbone.js, HTML5, Elasticsearch, Node.js, Redis, PostgreSQL, Ruby on Rails (RoR)
  • Ruby on Rails, Flash, and Front-end Developer

    2010 - 2010
    Razor d.o.o
    • Improved and refactored the system back-end functionality for Meteor (
    • Improved and refactored the CMS system (Rubylith) for Meteor (
    • Integrated with the D3 checkout system based on D3 API using Meteor (
    • Developed modules and widgets for cross system sharing and reusing.
    • Created jQuery plugins.
    • Worked on a solution for the data model for the new system using the Meteor Bundle System/Refer a Friend system.
    • Maintained the Treasury Holdings website.
    • Created an iPhone application in Objective-C: Goshido.
    Technologies: Objective-C, Facebook API, Meteor, JavaScript, HTML, AS3, Ruby on Rails (RoR)
  • Web Developer

    2009 - 2010
    Limores (Ground Link)
    • Developed the front end for the Java/Struts application.
    • Developed various plugins/widgets for geolocation interaction using Google Maps, custom UI/UX, sliders, etc.
    • Developed and implemented email/front-end templates.
    • Developed and integrated UI/UX work with the Java back-end system.
    • Supported the back-end team for UI/UX tasks and integration.
    Technologies: jQuery, JavaScript, CSS, HTML
  • Flash Game Developer, Animator

    2008 - 2009
    IQS+ Studio
    • Developed interactive Flash games for the US market.
    • Developed interactive Flash banners for “Click” campaigns.
    • Developed Flash projects based on timeline/coded animations with various effects.
    • Animated illustration/cartoon characters based on story boards.
    • Provided back-end support for the Games/AS3 project using PHP/MySQL.
    Technologies: MySQL, PHP, AS3, AS2
  • Founder, Partner, Web Developer

    2006 - 2008
    Dandelion d.o.o
    • Developed the corporate website for Pupin Telecom Dipotel and integrated it with Alcatel (Lucent) public/private API using PHP/MySQL.
    • Developed a fashion website gallery system.
    • Developed various interactive applications, presentations for photo sessions, and fashion shows.
    • Created print, design, and other marketing activities.
    Technologies: AS3, MySQL, PHP


  • Slicelife (Development)

    Ordering pizza platform with SMS and voice cloud communication.

  • WiseBubble (Development)

    My own startup for an interesting SaaS/B2B platform using Ruby, Rails, and Android technologies.

  • DRS - Virtual Data Rooms platform (Development)

    Special software in secure virtual data rooms for the exchange of highly sensitive documentation.

  • HRS - Social Network (Development)

    Social network for internal business communication with all of the now standard elements like friendship/network system, mailbox system, analytics, reports, and documents generation plus other functionality. The system is completely based on “Push” technology with live notifications, multichannel chat system, etc.

  • ScuddleMe - Social Network (Development)

    Involved in development as core Ruby developer and consultant.

  • Meteor System (Development)

    Improved and refactored system back-end functionality for various parts of the system. Integrated with externals APIs and D3 checkout system. Developed the modules and widgets for cross system sharing and reusing.

  • Jägermeister - "Break Ice" Flash Game (Development)

    Flash game (AS3) with Facebook integration for their New Year Promo campaign.

  • Sekopak - Brick Game (Development)

    Interactive brick game with levels and sound effects for a custom campaign.

  • Mastered (Development)

    A platform for managing online courses and student collaboration.

  • Dropongo (Development)

    Platform for sharing content built on Node.js/Vue.js technologies.


  • Languages

    HTML5, Ruby, HTML, CSS, SQL, CSS3, AS3, JavaScript, Elixir, Objective-C, PHP, AS2, C++, C, GraphQL
  • Frameworks

    Capybara, Ruby on Rails (RoR), Grape, Sinatra, Bootstrap 3, Stimulus, Phoenix, AngularJS
  • Libraries/APIs

    jQuery, Devise, AMQP, AngularUI, Vue.js 2, Node.js, Backbone.js, Facebook API
  • Tools

    RSpec, Cucumber, Adobe Photoshop, Flash Builder, Flash, RabbitMQ, Vim Text Editor, Git
  • Paradigms

    Model View Controller (MVC), REST, Test-driven Development (TDD), Agile Software Development, Object-oriented Programming (OOP), Behavior-driven Development (BDD), Functional Programming
  • Other

    Game Development
  • Platforms

    WordPress, Meteor, OS X, Linux, Android
  • Storage

    Memcached, Redis, PostgreSQL, Elasticsearch, MySQL, MongoDB


  • Bachelor's degree in Computer (IT) Management
    2010 - 2015
    Union University - Belgrade, Serbia

To view more profiles

Join Toptal
Share it with others