Milos Nedeljkovic

As a Senior Fullstack Engineer at DataArt, I designed and developed a scalable booking platform for studios and creative spaces, building server-side rendered interfaces with Next.js and React, implementing complex Node.js backend workflows with Redis-powered asynchronous tasks, integrating Stripe for secure payment and access control, delivering an AI-assisted metadata service that improved search and recommendations by 35%, and ensuring system reliability through distributed monitoring and throttling frameworks.

At Sitejet, I developed a scalable nutrition platform delivering personalized health tips and AI chatbot support, building a modular frontend with React, TypeScript, and Tailwind CSS, implementing robust Node.js backend services and serverless APIs with SQL and NoSQL databases, integrating a custom GPT-powered chatbot for contextual nutrition guidance, adding real-time features with WebSockets, and managing cloud deployment and DevOps on Vercel and AWS to ensure reliable production performance, while delivering an admin dashboard for analytics and operational insights.

At Sogelink, I architected and implemented a high-performance e-commerce platform with React.js and Node.js/Express.js, developed RESTful APIs for product catalogs, orders, and inventory with real-time updates via Socket.IO, integrated third-party services including payment gateways and GPT-powered chatbots—boosting customer self-service engagement by 40% and reducing support response time by 50%—designed optimized SQL and MongoDB data models for large-scale datasets, delivered an admin dashboard enabling 20% faster operational decisions, and leveraged Firebase for secure, real-time authentication, notifications, and messaging across web and mobile clients.

At Vega IT, I refactored legacy web applications using React and Redux, introducing modular state management, reusable components, and scoped SCSS for maintainability, implemented interactive dashboards, charts, and dynamic forms with Chart.js, Formik, and React Table, enhanced SEO and accessibility through semantic HTML, structured data, ARIA attributes, and keyboard navigation, and integrated third-party APIs such as Stripe and Google Maps with robust error-handling to ensure seamless user interactions.