Stefan Milanovic Email & Phone Number

• Implemented cutting-edge frontend technologies, such as React, Next.js and Restful APIs, resulting in a 25% improvement in application performance.• Leveraged performance optimization techniques to reduce page load times and improve overall website speed and responsiveness by 30%.• Lead a team of three front-end developers, guide best practices and code reviews, and deliver high-quality features in a timely manner, contributing to a 15% increase in overall project efficiency.• Actively participated in sprint planning, daily stand-ups, and retrospectives, contributing to the agile development process and ensuring smooth project execution.• Represented the frontend team in cross-functional meetings, conveying technical requirements and ensuring alignment between different departments.• Mentored 2 junior engineers, fostering professional growth and promoting a collaborative and innovative work environment.

• Devised systematic technology solutions aligned with project specifications, ensuring successful project delivery while meeting high-quality standards. • Refactored the legacy codebase to use React, resulting in a 50% reduction in page load time and an enhanced user experience. • Developed and launched a fully responsive web application using React.js, Next.js, Redux, and Material UI, achieving a modern layout and improved user engagement. • Applied a reusable React component library, reducing development time by 30%, enhancing code quality, and ensuring a consistent user experience. • Worked on 30+ Material UI Components for web application development, ensuring flexibility across different screen sizes

• Successfully led a web development team, creating multiple successful product websites using JS frameworks, leading to a 30% increase in online visibility. • Collaborated with cross-functional teams to develop and deliver complex features for web applications using Angular, Vue.js, and Node.js, resulting in successful launches and a customer satisfaction rate of over 90%. • Upgraded over 50 responsive designs using CSS and CSS frameworks, along with media queries for various screen sizes, resulting in improved accessibility and higher user satisfaction. • Developed a booking and scheduling platform using Angular and Node.js, incorporating features such as event scheduling, PDF generation, and payment processing. • Assisted the DevOps Engineer with server and database management, contributing to increased website performance and minimal downtime. • Provided excellent support for 100% of user acceptance, integration, and system testing, ensuring a smooth and successful project delivery. • Refined the performance of a Node.js server, resulting in 40% faster load times and increased efficiency, ultimately saving the company time and resources

• Strategized, built, and successfully launched 4 web applications using the LAMP stack (Linux, Apache, MySQL, PHP). • Designed and optimized 30+ efficient CRUD functions for DB with PHP hacks, streamlining database management and improving website functionality. • Collaborated with a cross-functional team to develop an Gun shopping platform from scratch using React.js and Node.js, resulting in a 30% increase in online sales within the first year of launch. • Integrated third-party APIs and services such as Stripe, PayPal, and Google Analytics into the Gun ecommerce platform using Node.js, resulting 20% increase in transaction efficiency and 25% improvement in insights generation and informed decision-making. • Enhanced the security of the shopping platform by authentication and authorization using Node.js and JSON Web Tokens(JWTs), resulting in a decrease in 70% of security incidents and in fraudulent orders. • Suggested 20+ improvements to product design and functionality as informed by user experience reporting. • Created 50+ visually appealing and user-friendly CSS templates for use across all website pages, utilizing advanced CSS techniques, resulting in increased user engagement and retention