Martín Freytes

Built and maintained a Chrome extension using Plasmo/WXT, including screenshot capture and Gmail attachment scraping/import into users’ family vault. Extended a React/TypeScript client and Django/DRF APIs, integrating Stripe for subscription billing and webhook-driven payment flows.

Improved logistics/e-commerce fulfillment throughput by enhancing Shopify integration and changing order-flow to fulfillment-flow imports that support splitting orders into multiple fulfillments. Developed warehouse routing and assignment logic (Django/PostgreSQL/Celery) and built resilient REST/webhook integrations with retry mechanisms.

Served as a core contributor to a design-to-code platform converting Figma/Adobe XD/Sketch into production-ready HTML/CSS/React. Reduced export times by up to 90% through node traversal and frame rendering optimizations, while maintaining plugin libraries and adding Cypress/CircleCI test coverage.

Led development and architecture decisions across a remote-first portfolio, guiding junior developers and ensuring delivery for marketplaces, media, smart building integrations, and research tools. Maintained high code quality with Cypress, pytest, and unittest, supported by modern CI/CD workflows.

Co-founded a startup delivering web/mobile projects for entrepreneurs and contributed to multiple customer-facing applications. Built features including a speaker listing/review site, subscription e-commerce, emergency tracking, and a human-resources integration generating custom reports from TypeForm records.

Modernized a legacy PHP CMS by architecting and delivering a Django-based application that replicated and extended existing functionality. Owned end-to-end migration documentation, architecture definition, and implementation to improve maintainability and performance and enable faster feature additions.

Designed and built an internal expense and cost management system from scratch to support departmental submission, tracking, and approval workflows. Deployed and maintained the system with Python/Django/PostgreSQL in a Vagrant-managed development environment.

Developed and maintained business systems, including an intranet for managing requests and requirements between departments and stores. Built supporting modules such as statements of work, reports rentals, purchasing requisitions, and support request handling.

Designed, developed, and maintained a public-facing website using WordPress and built a custom internal inventory web application. Implemented stock tracking, entry/exit processing, and basic reporting using PHP, jQuery, and MySQL.

Completed a 5-year Computer Engineering program with a strong foundation in algorithms, data structures, operating systems, distributed computing, and software engineering principles.