Versatile Full-Stack Developer with 5+ years of experience using JavaScript technologies with React Native/React/Ember.js/Node.js, as well as Ruby on Rails, Java, and database modeling. Hands-on experience in architecting and building distributed microservice systems on the back-end as well as front-end using multiple technologies. Stefan is a detail-oriented engineer and strives to stay updated on the latest tech practices, developing enterprise software, and bringing growth for companies.
Worked on state-of-the-art analytics system for a complete restaurant management platform, and delivered it with one more team member in 3 months.
Developed a next-generation platform that connects inventory, ordering, AP, Accounting and Analytics which can be accessed by web browsers and mobile devices as well. Built over 20 POS and Accounting integrations by using Java Play framework.
Built a React-Native mobile app from scratch for Inventory management that now has more than 1000 users.
Acted as Lead developer of a team that was developing apps for boosting accountants productivity, speeding up the process of onboarding new members into the company, which includes executive, accountant, and developer positions.
Worked on the development of AI software that was processing bills/invoices and delivered the product to production within 6 months. The system now serves more than 20000 users.
Actively developed, maintained, and improved Dooer Services, working on overall system architecture enhancements.
Developed applications for Metropolitan University in Nis, Serbia, performing analysis, debugging code, and maintaining the stability of all systems.
Designed and developed new features for the University's administrative system, which led to measurable improvements.
Converted UI/ UX design wireframes to code, produced visual elements of the websites/web applications. Resolved cross-browser and cross-platform compatibility issues.
