We are looking for a Senior Full Stack Developer with proven experience in the technologies that comprise our ecosystem: Python, FastAPI, PHP (CodeIgniter and Doctrine), JavaScript, Vue.js, AngularJS, ExtJS, Node.js, Quasar, CSS, as well as expertise in Linux, Docker, nginx, PHP-FPM, and debugging tools such as Xdebug. **Backend:** Python and FastAPI for building high-performance APIs; PHP with CodeIgniter and Doctrine (ORM); Best practices in architecture, code organization, and design patterns; Service integration, authentication, REST APIs, and automation. **Frontend:** Modern JavaScript; Vue.js, AngularJS, and ExtJS; Quasar Framework for fast and responsive interfaces; HTML5 and CSS3 with attention to best practices and usability. **DevOps and Infrastructure:** Linux (administration, logs, permissions, maintenance routines); Docker for development and production environments; nginx and PHP-FPM for server optimization; Xdebug and profiling tools for debugging and performance analysis. **Database:** SQL, relational modeling, query optimization, and routines with MySQL or equivalent. **Version Control:** Git (GitHub, GitLab, or Bitbucket). **Requirement:** Software Development and Programming Six Sigma Certification **Minimum Education:** Bachelor's Degree