
Relja Damnjanovic
Verified Expert in Engineering
Full-stack Developer
Belgrade, Serbia
Toptal member since October 17, 2012
A computer science engineering graduate and a full-stack developer with both corporate and freelance experience, Relja also runs his own web development company. He is strong both in working in teams and individually, and excels at algorithm design/analysis, as well as database design/architecture. Relja is an expert in Magento, certified in both front-end and back-end development, as well as in other eCommerce systems, including WooCommerce and Shopify.
Portfolio
Experience
- MySQL - 15 years
- Magento - 13 years
- PHP - 13 years
- WordPress - 13 years
- JavaScript - 11 years
- Full-stack - 10 years
- APIs - 7 years
- Shopify - 5 years
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 and neural network algorithms for analysis.
Work Experience
Founder, Lead Developer
Codernia
- Developed, customized, designed, and implemented Magento systems for more than 50 different shops, working on both the back end and front end.
- Worked on various WooCommerce and Shopify systems, as well as on a migration between various eCommerce systems.
- Integrated multiple third-party APIs with Magento, ERP systems, and CMS platforms. Developed a custom online payment method for Magento.
- Developed and maintained a WordPress plugin that was distributed through the WP plugin repository.
- Created a powerful Magento extension for data mining and business intelligence analytics.
- Built and implemented a Ruby on Rails application for the HR company.
- Developed and implemented a Laravel application for an event scheduling company.
Founder, Lead Developer
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.
- 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.
Software Engineer
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 a DB optimization and programming, modelling and architecture.
Experience
NDA Marketing Company
Technologies: Magento 2 PHP, JavaScript, CSS3, HTML5, MySQL, Ubuntu, AWS.
NDA Car Company
Dwell
http://store.dwell.com/Technologies: Magento, PHP, MySQL, Drupal, HTML, CSS, JavaScript.
Inventosaur
Fully developed extension for both Magento v1 and Magento v2.
Shop247
https://www.fore24.co.uk/https://www.fore24.co.uk/
https://www.woodworm.tv/
Technologies: Magento, PHP, MySQL, HTML, CSS, JavaScript, jQuery.
Unique SportsTime
https://unique-sportstime.de/Technologies: Magento 2 PHP, JavaScript, CSS3, HTML5, MySQL.
Jewlzie
Technologies: Magento, PHP, MySQL, HTML, CSS, JavaScript, DevOps.
Golf Division
https://www.golfdivision.com/http://www.teardrop.golf/
http://www.macgregorgolf.com/
Technologies: Magento 2, PHP7, MySQL, HTML, CSS, JavaScript, jQuery, Knockout.js, Bootstrap.
Hampden Clothing
http://hampdenclothing.com/Technologies: Shopify, Liquid, PHP, MySQL, JavaScript.
Alwaysriding
Technologies: Magento, PHP, MySQL, WordPress, HTML, CSS, JavaScript.
SmartyPants Magento Shop
http://smartypantsvitamins.com/Technologies: Magento, PHP, MySQL, WordPress, HTML, CSS, JavaScript.
LivingAutism UK Website
Technologies: PHP, MySQL, JavaScript, HTML, CSS, Google Maps.
People Footwear TW
https://peoplefootwear.tw/Technologies: Shopify, CSS3, HTML5, JavaScript, Figma
Regroup
https://regroupwithus.com/Technologies: WordPress, WooCommerce, PHP, JavaScript.
Above Category
https://abovecategory.com/Technologies: Shopify, HTML5, CSS3, JavaScript, PHP, API.
Ucon Acrobatics GmbH Magento Shop
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.
Flippa Online Business Valuation
https://wordpress.org/plugins/flippa-estimate-your-business/Xola Bookings for Tours Activities
https://wordpress.org/plugins/xola-bookings-for-tours-activities/Technologies: WordPress, PHP, MySQL, HTML5, CSS3, JavaScript.
Education
Graduated Engineer of Computer Science Degree in Computer Science
Computing School Belgrade - Belgrade, Serbia
Certifications
M1 Developer
Magento
M1 Front-end Developer
Magento
Skills
Libraries/APIs
jQuery, WooCommerce API, Liquid, REST APIs, Facebook API, Google Maps, Shopify API, React
Tools
Terminal, Adobe Photoshop, MAMP, Git, PhpStorm, Eclipse IDE, TextMate, Figma to HTML
Languages
CSS3, HTML5, JavaScript, PHP, Delphi, C++, Ruby, Java, Pascal, HTML, CSS, C
Frameworks
Zend Framework, Laravel, Ruby on Rails (RoR)
Paradigms
Responsive Web Design (RWD), Agile Software Development, Extreme Programming, Concurrent Programming, DevOps, Business Intelligence (BI)
Platforms
Magento, WordPress, Shopify, WooCommerce, Magento 2, MacOS, NetBeans, Linux, Windows, Oracle, Java EE (Jakarta EE), Eclipse, Magento API, Ubuntu
Storage
Oracle PL/SQL, MySQL, PostgreSQL, Database Modeling, Databases
Other
Front-end Development, Mega, Machine Learning, Full-stack, Web Development, Development, Payment APIs, Full-stack Development, WordPress Plugins, WordPress Themes, APIs, Computer Science, IT Project Management, Optimization
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