Job Summary: We are seeking a Senior Full Stack Engineer for an international project focused on modern web development, backend systems, and data engineering, with Python as the primary programming language. Key Highlights: 1. Integration into an international-scope project 2. Strong backend and AI integration component 3. Active participation in technical decisions and continuous improvement We are looking for a Senior Full Stack Engineer to join an international-scope project focused on developing modern web applications with a strong backend and data-oriented approach. This position requires solid backend development experience using **Python as the primary language**, as well as building robust APIs, optimizing queries, and working with data in production environments. The role features a strong backend and AI model integration component; therefore, we seek candidates with proven experience in scalable systems, data processing, and clean architecture. You will join a collaborative team building scalable, maintainable solutions aligned with international standards, actively participating in technical decision-making and continuous architectural improvement. We seek professionals with an ownership mindset, performance focus, and experience working in production environments. On-site work mode in the Guadalajara Metropolitan Area. Technology Stack (Must Have) * **Python (3+ years of hands-on backend experience)** * Solid experience with **Django, FastAPI, or equivalent frameworks** * Design and development of **REST APIs** * Advanced proficiency with **relational databases (PostgreSQL, MySQL, SQL Server)** * Query optimization and performance tuning * Experience working in production environments * Git and collaborative workflows Employment Type: Full-time Salary: $40,000.00 - $60,000.00 per month Benefits: * Option for permanent contract * Life insurance Work Location: On-site employment