Ivan Perez Email & Phone Number

• Built full-stack solutions using Next.js, Node.js, and WebRTC for real-time audio/video communication, reducing connection drop rates by 12% and enhancing user experience.• Collaborated with cross-functional teams to develop user-friendly interfaces and backend services, boosting platform usage by 22%.• Improved system scalability and API performance using load balancing and caching strategies, cutting response times by 35% and ensuring uptime during high-demand periods.•… Show more • Built full-stack solutions using Next.js, Node.js, and WebRTC for real-time audio/video communication, reducing connection drop rates by 12% and enhancing user experience.• Collaborated with cross-functional teams to develop user-friendly interfaces and backend services, boosting platform usage by 22%.• Improved system scalability and API performance using load balancing and caching strategies, cutting response times by 35% and ensuring uptime during high-demand periods.• Integrated third-party healthcare APIs for seamless patient data and billing services, increasing adoption by 12%.• Mentored junior developers, improving code quality and reducing production bugs by 25% through code reviews and best practice adoption like TDD. Show less

• Developed and maintained a suite of responsive web applications using Next.js and integrated with backend RESTful services, improving user engagement by 25%.• Collaborated with product and design teams to implement new features and improve user experience, resulting in a more intuitive user interface and a 15% increase in customer satisfaction.• Optimized application performance through techniques like code-splitting and lazy loading, reducing initial page load times by 30%.•… Show more • Developed and maintained a suite of responsive web applications using Next.js and integrated with backend RESTful services, improving user engagement by 25%.• Collaborated with product and design teams to implement new features and improve user experience, resulting in a more intuitive user interface and a 15% increase in customer satisfaction.• Optimized application performance through techniques like code-splitting and lazy loading, reducing initial page load times by 30%.• Integrated RESTful APIs to fetch and display dynamic data in real-time, contributing to a seamless user experience and reduced client-side data handling errors by 20%.• Implemented unit and integration tests using Jest and Cypress, ensuring a 90% code coverage and reducing production bugs by 25%. Show less

• Architected scalable backend APIs using Node.js and Express, ensuring seamless data flow between frontend interfaces and databases, improving application performance by 30%.• Collaborated with cross-functional teams, including UI/UX designers, QA testers, and product managers, to deliver feature-rich, user-friendly applications that met business requirements and deadlines.• Optimized database queries and indexing in MongoDB, reducing database response times by 40% and ensuring… Show more • Architected scalable backend APIs using Node.js and Express, ensuring seamless data flow between frontend interfaces and databases, improving application performance by 30%.• Collaborated with cross-functional teams, including UI/UX designers, QA testers, and product managers, to deliver feature-rich, user-friendly applications that met business requirements and deadlines.• Optimized database queries and indexing in MongoDB, reducing database response times by 40% and ensuring efficient data retrieval for high-traffic applications.• Implemented user authentication and authorization mechanisms using JWT and OAuth2.0, securing user data and preventing unauthorized access.• Developed microservices architecture, which improved the modularity and scalability of applications, allowing for easier feature updates and maintenance. Show less

• Developed and maintained user-facing features for Facebook’s core platform using React.js, improving page load times by 10% through code optimization and efficient resource management.• Collaborated with product designers and backend engineers to implement responsive and user-friendly web interfaces, contributing to a 15% increase in user engagement for targeted features.• Spearheaded the migration of legacy code to modern frontend frameworks, reducing maintenance costs and improving… Show more • Developed and maintained user-facing features for Facebook’s core platform using React.js, improving page load times by 10% through code optimization and efficient resource management.• Collaborated with product designers and backend engineers to implement responsive and user-friendly web interfaces, contributing to a 15% increase in user engagement for targeted features.• Spearheaded the migration of legacy code to modern frontend frameworks, reducing maintenance costs and improving long-term scalability of the codebase.• Built reusable component libraries using React.js, improving development speed for new feature rollouts and maintaining consistency across the platform.• Worked closely with the UX team to ensure accessibility standards were met, resulting in a 20% reduction in accessibility-related bugs. Show less

• Acquired hands-on experience in software development, collaborating with diverse teams to create innovative solutions.