Fullstack Developer · React · Next.js · NestJS · TypeScript
Building real SaaS products from scratch · Lima, Perú 🇵🇪

Fullstack developer with 3+ years building SaaS products in production. I specialize in React, Next.js and NestJS, with hands-on experience in multi-tenant architectures, REST APIs, and AI-assisted workflows.

I've contributed to real platforms in the healthcare and retail sectors, and I design end-to-end solutions: frontend, backend, and database.

• 🏆 3 awards at ETHGlobal Buenos Aires 2025 (Best Integration, Metaprotocol Usage & Feedback Prize)
• 🚀 Built and deployed Zelterm — a multi-tenant ERP SaaS for retail (solo project)
• 🏥 Currently working on a health SaaS used by pharmacies and clinical professionals
• 🌐 Open to remote opportunities globally

Frontend

Backend

Database & Cloud

Tools

Full ERP system for inventory, sales, and operations management. Built solo: frontend, backend, and database architecture from scratch. Modules: inventory traceability, multi-payment POS, electronic billing. Next.js NestJS PostgreSQL Prisma multi-tenant

Decentralized app with direct smart contract interaction on testnet. Full betting system (betting, race, claim logic), wallet connection, leaderboard. React TypeScript Web3 Solidity smart contracts

Class, student, and payment management for independent tutors. Built in 3 days as a functional MVP from a real user problem. Currently in validation. Next.js Supabase TypeScript

Clinical patient management platform used by pharmacies. Modules: patients, treatments, questionnaires, dashboards. Integrated automated testing with Playwright and AI-assisted agents. React Next.js TypeScript Playwright