Hello! I'm Javier Félix Teixeira Sandoval, an IT engineer and Full Stack / Mobile Flutter developer specializing in high-performance fintech and ecommerce platforms. I excel in building scalable back-end services with PHP (Laravel) and PostgreSQL, and in delivering robust front-end and mobile applications with JavaScript, HTML5, and Flutter. I value teamwork, code quality, and designing architectures that scale with business needs. Curious by nature and persistent in problem solving, I actively seek opportunities to learn new technologies and contribute to innovative projects in demanding tech environments. I pride myself on delivering reliable software, optimized payments systems, and seamless API integrations.…Hello! I'm Javier Félix Teixeira Sandoval, an IT engineer and Full Stack / Mobile Flutter developer specializing in high-performance fintech and ecommerce platforms. I excel in building scalable back-end services with PHP (Laravel) and PostgreSQL, and in delivering robust front-end and mobile applications with JavaScript, HTML5, and Flutter. I value teamwork, code quality, and designing architectures that scale with business needs. Curious by nature and persistent in problem solving, I actively seek opportunities to learn new technologies and contribute to innovative projects in demanding tech environments. I pride myself on delivering reliable software, optimized payments systems, and seamless API integrations.WWWW…