Ratko Horvat

- Built an e-commerce and fitness platform with React 18, Tailwind, Zustand, and Vite - Developed a social media web app using Vue 3, Pinia, and WebSockets for real-time updates - Created a marketing analytics tool with Laravel, React, SCSS, Pusher, and GA4 - Built a custom ERP system using SAP OData schema APIs - Upgraded a Vue 2 app to Vue 3 with Pinia, Tailwind, and Composition API - Contributed to a gRPC-based Node.js microservice for POS management in fintech

- Integrated OAuth2 with Keycloak and customized UIs in Java templates and React - Improved performance via profiling, refactoring, and caching - Resolved bugs and issues reported by QA or clients - Actively participated in Agile ceremonies like sprint planning and stand-ups - Mentored junior developers and offered technical support

- Collaborate with cross-functional teams to gather requirements, design solutions, and implement features - Wrote clean, efficient, and well-documented code following best practices and coding standards - Conducted code reviews to ensure code quality, performance, and security - Implemented responsive designs to ensure compatibility across various devices and browsers

- Developed and maintained web applications using a variety of technologies including HTML, CSS, JavaScript, React, Laravel, Node.js, and MySQL - Contributed on several customers' projects with JavaScript frameworks and libraries, including jQuery, Ajax, handlebars, underscore, Angular, Backbone, React, and high charts - Migrated Adobe XD based designs to web apps using CSS3 and designed and built HTML, jQuery, JavaScript, and client-side validation