Alex Porfiri

Maintenance of the Erstegroup's online web applications. Working on the Core Transactions team used by 11M+ users and processing billions of transactions annually.

Led development of the company's core web application and was one of the first team leads to drive the migration to a modern stack with Next.js. Owned the Journi Web Photo Editors project: image-heavy editors using client-side AI (e.g. face detection for smart auto-cropping), plus a complex image upload pipeline that downscaled images and uploaded them in parallel threads, using IndexedDB, from mu

Built and maintained REST APIs and React frontends for the Mercado Envíos Flex & Logistics shipping platform, working full-stack across teams. Co-built Andes, the internal core library, adopted across multiple frontend teams. Led migration of legacy frontend applications to a modern Node.js/React stack, partnering with UX and cross-functional IT teams.

Worked as an outsourced vendor for MercadoLibre, maintaining internal tooling applications and contributing to Category Structure, SEO, and Marketing projects.

Startup project dedicated to developing websites, e-commerce sites, mobile applications. Focus on helping small business ideas into reality.

Worked on maintaining the e-commerce website of the company using OpenCart framework. Integration of third-parties SDKs for shipping and payment methods and custom extensions for internal management.

Completed a technician program in programming systems, gaining practical skills in software development.

Studied business administration, acquiring foundational knowledge in management and organizational operations.