Relja is available for hire

Relja Damnjanovic

Verified Expert in Engineering

Software Developer

Belgrade, Serbia

Toptal member since October 17, 2012

Expertise

PHP Magento WordPress Development jQuery MySQL HTML5 JavaScript Delphi Oracle Development Git Java Laravel Ruby Machine Learning PostgreSQL

Bio

A computer science engineering graduate from the University of Belgrade with both corporate and freelance experience, Relja also runs his own web development company. He is strong both working in teams and individually, and is great at algorithm design/analysis as well as database design/architecture. He is an expert at Magento, for which he is certified for both front-end and back-end.

Portfolio

Codernia

CSS3, Ruby on Rails (RoR), WordPress, Zend Framework, Magento, JavaScript, CSS...

StuntCoders

CSS3, WordPress, Zend Framework, Magento, JavaScript, CSS, HTML, MySQL, PHP

In2 Belgrade d.o.o.

Java EE, Java, Oracle

Experience

PHP - 10 years
CSS3 - 9 years
Magento - 9 years
Adobe Photoshop - 8 years
MySQL - 8 years
JavaScript - 7 years
HTML5 - 7 years
Java - 5 years

Availability

Part-time

Preferred Environment

PhpStorm, Adobe Photoshop, Git, Eclipse, TextMate, MacOS

The most amazing...

...thing I've built is a BI application for a hardware store based on a customer questionnaire for collecting data & neural networks algorithms for analysis.

Work Experience

Founder, Lead developer

2014 - PRESENT

Codernia

Developed, customized, designed, and implemented Magento systems for more than thirty different shops.
Worked on both Magento 1 and Magento 2 development and migration from v1 to v2.
Integrated a third-party API with Magento, ERP integration, and CMS systems integrations.
Developed and maintained a WordPress plugin.
Developed a powerful Magento extension for data mining and business intelligence analytics.
Developed and implemented a Ruby on Rails application.
Developed and implemented a Laravel application.

Technologies: CSS3, Ruby on Rails (RoR), WordPress, Zend Framework, Magento, JavaScript, CSS, HTML, MySQL, PHP

Founder, Lead Developer

2011 - 2014

StuntCoders

Worked and developed various web applications and sites, with responsive adaptation. Mastered Magento and WordPress.
Worked on everything Magento-related from setup, theme installation, and data migration to development of new extensions, functionality upgrade, maintenance, database programming, integration with WordPress, and adaptation for mobile platforms. Overall worked on more than ten different Magento shops.
Developed a custom-built CMS web application in Zend framework with full back-end administration and integration with various services.
Built a geolocation framework using Google Maps for a web service through which customers can search for nearest facilities of their interest.
Developed and implemented an internal management software using Ruby on Rails.

Technologies: CSS3, WordPress, Zend Framework, Magento, JavaScript, CSS, HTML, MySQL, PHP

Software Engineer

2008 - 2011

In2 Belgrade d.o.o.

Worked on very complex software for banks, insurance companies, and financial institutions, mainly in Oracle technologies (Forms, Reports, Designer).
Developed Java application for localization of Oracle modules in different languages (JavaEE).
Developed a Java application for digital signatures of financial reports (Java SE).
Designed and developed software for insurance agencies and field agents. (Oracle XE + Oracle APEX).
Worked on DB optimization and programming.

Technologies: Java EE, Java, Oracle

Experience

Ucon Acrobatics GmbH Magento Shop

Complete setup and installation of a Magento store, database migration from ZenCart, additional development, extension creation, maintenance, WordPress integration, design, multi-store integration, and third-party software integration.

Some of the stuff I developed: Ajax add to cart, barcode module, email notifier, credit discount module, reporting tools.

Technologies: Magento, PHP, MySQL, WordPress, HTML, CSS, JavaScript.

Inventosaur

Magento extension for data mining and sales analytics, which, through complex algorithms, detects slow moving products and offers promotions for them.

Fully developed extension for both Magento v1 and Magento v2.

Xola Bookings for Tours Activities

https://wordpress.org/plugins/xola-bookings-for-tours-activities/

WordPress plugin which integrates WordPress sites with the Xola booking platform.

Technologies: WordPress, PHP, MySQL, HTML5, CSS3, JavaScript.

Flippa Online Business Valuation

https://wordpress.org/plugins/flippa-estimate-your-business/

A WordPress plugin that integrates WordPress sites with the Flippa business evaluation platform. The plugin shop-owners on the WooCommerce can evaluate the base worth of their business and start the selling process in case they are interested.

ABS by Allen Schwartz

http://www.absstyle.com/

Magento responsive design implementation, functionality upgrade, setup, and integration with WordPress.

Some of the stuff I developed: Ajax add to cart, Ajax add to wish-list, and color picker mechanism.

Technologies: Magento, PHP, MySQL, WordPress, HTML, CSS, JavaScript.

Alwaysriding

Development and customization of a Magento shop, with database programming, third-party extensions upgrade and expansion, API integration, front-end UX improvement, and sales process automation.

Technologies: Magento, PHP, MySQL, WordPress, HTML, CSS, JavaScript.

Hampden Clothing

http://hampdenclothing.com/

Shopify to Magento migration, complete Magento setup, responsive theme creation, customization, extension maintenance, database programming, Lightspeed integration, and server setup and maintenance.

Technologies: Magento, PHP, MySQL, WordPress, HTML, CSS, JavaScript.

Shop247

Worked on a complex multi-site Magento setup, code optimization and Magento upgrades, front-end implementation and heavy Javascript UX improvement, back-end implementation with custom modules and customizations, custom product types implementation, third party system integration, DB improvement and optimization.

https://www.fore24.co.uk/
https://www.woodworm.tv/
https://www.get-fit.co.uk/
https://www.shop247.co.uk/

Technologies: Magento 1, PHP7, MySQL, HTML, CSS, JavaScript, jQuery.

Golf Division

https://www.golfdivision.com/

A complex multi-site Magento setup, code optimization and Magento upgrades, theme implementation and JavaScript development, custom modules and customizations, custom product types implementation, third party system integration, DB improvement, and optimization.

http://www.teardrop.golf/
http://www.macgregorgolf.com/

Technologies: Magento 2, PHP7, MySQL, HTML, CSS, JavaScript, jQuery, Knockout.js, Bootstrap.

SmartyPants Magento Shop

http://smartypantsvitamins.com/

Development and customization of a Magento shop, database programming, and third-party extensions upgrade and expansion.

Technologies: Magento, PHP, MySQL, WordPress, HTML, CSS, JavaScript.

Thomas Sires

Development and customization of a Magento shop, database programming, third-party extensions upgrade and expansion, and tihrd-party shopping services integration.

Technologies: Magento, PHP, MySQL, WordPress, HTML, CSS, JavaScript.

Jewlzie

Magento front-end and back-end maintenance, design, and functionality updates, customization, and extension maintenance. Multiplatform integration with third-party APIs, core system programming, and complex setup.

Technologies: Magento, PHP, MySQL, HTML, CSS, JavaScript.

Dwell

http://store.dwell.com/

Magento Enterprise edition maintenance work on a really huge shop with very strict development process, integrated with Drupal.

Technologies: Magento, PHP, MySQL, Drupal, HTML, CSS, JavaScript.

Unique SportsTime

https://unique-sportstime.de/

Magento system upgrade, maintenance, functionality upgrade, integration with third-party services, responsive design, and additional upgrade of the "shirt designer" extension.

LivingAutism UK Website

http://www.livingautism.co.uk/

Development, adjustment, and upgrading of an inherited custom-made CMS system, database design and programming, Google Maps integration, and search algorithm implementation.

Technologies: PHP, MySQL, JavaScript, HTML, CSS, GoogleMaps.

Education

2004 - 2008

Graduated Engineer of Computer Science Degree in Computer Science

Computing School Belgrade - Belgrade, Serbia

2000 - 2004

High School Degree in mathematics, programming

Math Academy High School - Belgrade, Serbia

Certifications

NOVEMBER 2013 - PRESENT

M1 Developer

Magento

OCTOBER 2013 - PRESENT

M1 Front-end Developer

Magento

Skills

Libraries/APIs

jQuery, Facebook API, Google Maps, Shopify API

Tools

Terminal, Adobe Photoshop, MAMP, Git, PhpStorm, Eclipse IDE, TextMate

Languages

CSS3, HTML5, JavaScript, PHP, Delphi, C++, Ruby, Java, Pascal, HTML, CSS, C

Frameworks

Zend Framework, Laravel, Ruby on Rails (RoR)

Platforms

Magento, WordPress, MacOS, NetBeans, Linux, Windows, Shopify, Oracle, Java EE, Eclipse

Storage

Oracle PL/SQL, MySQL, PostgreSQL, Database Modeling

Paradigms

Agile Software Development, Extreme Programming, Concurrent Programming

Other

Front-end Development, Mega, Machine Learning, WordPress Plugins

Collaboration That Works

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