Nikola Lazarevic

● Lead full-stack development initiatives for a large multi-site organization, managing 10+ production websites serving 8,000+ users weekly. Drive platform modernization and cost optimization through strategic technology migrations and custom development. ● Spearheaded e-commerce platform migration from Magento to BigCommerce, implementing custom webhooks and modern user interfaces that eliminated $15,000+ in annual Magento licensing and support fees, reducing support costs by 65%. Architected and deployed multiple headless CMS solutions, transforming slow WordPress sites into high-performance applications using WordPress backend with Next.js and React frontends, dramatically improving load times and user satisfaction. ● Successfully modernized legacy systems by migrating outdated CMS platforms (Joomla, limited WordPress) to modern technology stacks, including custom .NET/React applications and headless WordPress architectures. Developed custom platform extensions using .NET and Angular for educational resource management, enabling seamless content delivery for instructors and students. ● Manage the complete deployment lifecycle on both VPS and Windows Server environments. Work across diverse technology stacks including React, Next.js, Angular, .NET, Node.js, WordPress, and multiple database systems (MySQL, PostgreSQL, MongoDB). Implement responsive UI/UX using Tailwind CSS, Bootstrap, and Material UI. Integrate AI-powered solutions and custom e-commerce functionality to enhance organizational efficiency and user experience.

● Developed responsive, user-centric web interfaces for 10+ client projects, collaborating with cross-functional teams including designers, backend developers, and project managers to deliver high-quality digital solutions. Built modern, mobile-first applications using React, ensuring optimal performance across all devices and browsers. ● Improved website performance by 55% and increased user engagement by 30% across client projects through strategic code optimizations, implementing lazy loading, optimizing bundle sizes, and refactoring legacy code. Enhanced UI/UX by implementing modern design systems and component libraries, resulting in more intuitive and visually appealing user experiences. ● Gained extensive experience with modern frontend technologies, including React, JavaScript (ES6+), HTML5, CSS3, and responsive design frameworks. Developed proficiency in state management, API integration, and working within agile development environments. Collaborated effectively in a team setting using Git for version control and participating in code reviews to maintain code quality standards.

● Had my first experience in a team IT project, and was in charge of the integration of the front-end functionalities. ● Created the plan for the project and realized it by the given deadline. ● Communicated precisely with the back-end about the needed APIs and their data structure, which increased our overall speed of completing the project. ● Accomplished the best user experience by collaborating with the company's UI/UX engineer.

● Improved staff productivity by establishing clear guidelines in the production team. Which tripled the completed unit numbers based on the week. ● Supervised and trained three technicians on the company's policies and rules. ● Increased the percentage of positive customer reviews by installing a system that tracked RMA's priority and date of being received. ● Selected as an employee of the month based on outstanding customer service.

● Implemented leadership, presentational and organizational skills to ensure the best student experience. ● Guided each student patiently through the lesson with a positive attitude and encouragement. ● Conducted reviews after each session of the student performance advising them on what part they need to work on and giving them praise on the part they did well. ● Led the group classes with the attention that each student receives the needed time and guidance. Improvised the remaining time, if a lesson was too easy for the students.