Mohamed HAJJIQUI

– I help enterprise teams migrate and scale their React/Node.js applications while maintaining high code quality through integrated QA practices. – ensuring zero downtime and improved scalability for enterprise clients – reducing deployment time by 60% and eliminating manual deployment errors – for efficient S3 data processing, improving backend performance and reducing infrastructure costs – for better responsiveness and user experience, directly impacting customer satisfaction metrics – increasing HTTP request limits to 50MB, resolving critical performance bottlenecks – reducing manual testing effort and catching bugs early in development cycle – for seamless team collaboration and knowledge transfer

– I integrated into this French fintech startup's international development team, helping them build and scale their React-based billing platform while maintaining high performance standards. – directly improving the platform's core billing and receipt generation capabilities – through React component refactoring and API call optimization, improving load times and user experience

– My first official role where I developed full-stack applications for web and mobile platforms while building leadership skills through mentoring junior developers. – Built responsive web and mobile applications using React.js, Next.js, and React Native, delivering scalable solutions for diverse client needs – for iOS and Android, enabling international market expansion for client applications – guiding them on development best practices and contributing to their professional growth – through advanced state management using Zustand and Redux Toolkit – using Node.js and Express.js, ensuring seamless data flow between frontend and backend – through refactoring initiatives, improving long-term project scalability

– I contributed to data visualization and business intelligence projects as part of my final internship, gaining hands-on experience with enterprise-level development while working alongside senior developers. – for major platforms (Xandr, Xero, MJ FreeWay), enabling seamless data integration and automated reporting for enterprise clients. – collaborated on a custom business intelligence platform with advanced features beyond standard tools – working closely with senior developers on user interface design – significantly reducing data processing time for large datasets and improving user experience – contributing to real-time notification functionality – supporting the development of in-app query capabilities