**Job Description:** We are looking for a **senior PHP programmer** with a backend development focus and comprehensive experience in robust projects. The candidate will actively participate in the development and maintenance of our systems: **in-house CRM, e-commerce platforms, billing systems, API integrations, and institutional portals**. **Mandatory Requirements:** * Proficiency in **PHP**, with a professional backend development focus * Experience with **CodeIgniter** and another modern PHP framework * Solid expertise in **MySQL** * Advanced knowledge of **JavaScript, jQuery, and React** * Proficiency in **HTML and CSS** * Experience with **REST and SOAP APIs** * Version control using **Git** * Ability to work on complex, well-structured projects **Soft Skills:** * Teamwork * Clear and effective communication * Analytical ability * Autonomous resolution of complex problems **Desirable (not mandatory):** * Experience leading development teams or technically coordinating other developers. **We Offer:** * Employment contract under the **assimilated-to-salary** scheme, including benefits * Hybrid work model (on-site and remote from CDMX) * Innovative projects with real-world impact * Excellent technical and collaborative work environment Employment Type: Full-time Salary: Starting at $20,000.00 MXN per month Work Location: Hybrid remote work in 03730, San Juan, CDMX