Christian Cosio

I design and build scalable SaaS platforms with a focus on performance, reliability, and real-world impact. My core stack includes React, Node.js, and AWS, with a strong focus on Docker-based deployments and scalable backend design. I care deeply about clean architecture, developer experience, and building systems that can evolve without breaking.

Automated back-end systems using PowerShell and Python, improving internal efficiency for parking management systems. Developed GDPR-compliant documentation and processes, enhancing data protection across the LMS platform integration. Documented, implemented, and audited a global solution for 12 different European countries, assisting in IT global meetings and demos, and supported global HR as well as each country's HR team independently, contributing to the successful achievement of this implementation.

Developed emphasized UI/UX design principles to responsive Web Design for multiple CMS platforms, improving user experience across various devices and reducing load times by 30%. Led the development of a custom clinic-tracking app, reducing processing time by 20%, integrating it with React.js and Next.js to deliver a seamless user interface. Collaborated with backend teams to integrate data using REST APIs, ensuring fast, efficient data flow and overall system performance.