Building and scaling SaaS platforms for 6+ years — from CRM systems handling thousands of daily users to founding and running my own product from zero to production.
Full-stack engineer focused on performance, scalability, and shipping features that hold up in production. End-to-end: system design, backend architecture, frontend performance, CI/CD, and cloud infrastructure.
- 📉 Cut large-report load times by 80%+ through caching strategy and database optimization
- ⚡ Reduced frontend build time from 20s to 2s by refactoring the build pipeline
- 🏗️ Founded and shipped EasyGame, a multi-tenant SaaS for university sports tournaments — architecture, backend, frontend, AI features, and client relationships, solo
- 🔌 Integrated Shopify, Google, Meta, and Stripe APIs in production, handling sync, webhooks, and edge cases at scale
Frontend: React · Next.js · TypeScript · TanStack Query · Tailwind CSS Backend: Node.js · Nest.js · GraphQL · Prisma Data: PostgreSQL · MySQL · MongoDB Infra: AWS · Railway · Docker · CI/CD Other: React Native · Stripe · OpenAI API / RAG · Firebase
LinkedIn · gabriel@barreto.dev · Paraná, Brazil (open to remote)
Currently learning in public — expect more real project write-ups here soon.