Hey, I'm Hernan Alvarado. Software Engineer and & Open-Source Maintainer

Software Engineer Intern

Completed my professional internship as part of a software development team working on a healthcare application for managing patient medical records within Colombia's healthcare system. Contributed to the development and maintenance of the existing application by building user interfaces, forms, reports, and new modules using Oracle APEX, SQL, and PL/SQL. Also participated in the migration of multiple modules from the original Visual Basic 6 application to Oracle APEX, while implementing new features, requirements, adjustments, and ongoing maintenance.

Oracle APEX — SQL — PL/SQL

Freelance Software Engineer

Worked as a freelance developer on a web application for evaluating material corrosion in solar energy systems, including solar panels, mounting structures, and related components. The project was designed for use across the European market and required consideration of multiple international and country-specific standards.

React — Supabase — Vercel

Open-source contributor to Auth.js, working across authentication providers, documentation, examples, issues, and the broader developer experience.

OAuth, OpenID Connect, Authentication, Documentation, Open Source, Developer Experience

A collection of production-ready authentication components and application blocks designed for Aura Auth applications.

Shadcn/ui — Tailwind — TypeScript — Aura Auth

A framework-agnostic authentication library designed around Web Request and Response APIs, with a focus on security, type safety, and developer experience.

OAuth — OpenID Connect — JWT — TypeScript — Web Standards

A TypeScript-first router focused on request handling, validation, and typed APIs, and a consistent developer experience across runtimes.

TypeScript — Web Standards — Framework-agnostic — Validation — Client API