Tomás Guzmán

Architected and built a creator economy platform from scratch using PHP and Laravel for the US market. Integrated Stripe for subscriptions and payouts, and reduced deployment time by 60% by establishing CI/CD and release processes.

Developed and maintained a real-time communication platform with live audio/video calls, speech-to-text, and translation for 20–50 concurrent users. Reduced call setup errors by 40% through a call coordination system and improved UI maintainability with a 30% code reduction and 70% readability increase.

Architected a retail application from scratch using Next.js and delivered an MVP in under 3 weeks. Implemented authentication with NextAuth.js/OAuth 2.0 and deployed to Vercel with automated CI/CD, achieving sub-second page loads and 99.9% uptime.

Integrated 5+ third-party APIs (Transbank, Shopify, Magento) to support e-commerce payments and catalog functionality. Built a real-time QR code scanning system for in-store product movement tracking and resolved 30+ critical bugs, reducing customer-reported issues by 45%.

Built a business intelligence platform using SOLID principles for 50+ enterprise users managing PowerBI reports. Automated PowerBI data synchronization (reducing manual entry by 80%) and improved performance with Redis session management and real-time database trigger redesign (cutting page load time by 35%).

Built a live cryptocurrency tracking app with real-time price updates via WebSockets for 500+ daily users. Integrated Binance API for wallet monitoring and automated trading across 20+ cryptocurrency pairs.

Engineered a database synchronization service ensuring data integrity across 3 distributed systems with 99.5% uptime. Integrated WhatsApp Cloud API to automate client communications and reduce response time by 60%.

Completed an Informatics Engineering degree at Universidad Católica Andrés Bello.