ENGINEERING · AUTOMATION · AI
Jesús A. Pérez S.
I am Jesús A. Pérez S., also known as Jasp402: a systems engineer, QA automation engineer, and independent software builder.
I connect software engineering, automation, and AI to solve practical problems. From reliable test frameworks to full-stack applications and AI-powered workflows, I build tools that reduce repetitive work and help teams deliver with confidence.
QA & Test Automation
Reliable testing with Cypress, Playwright, and WebdriverIO.
Full-Stack Development
Web applications, APIs, and data with Node.js, React, and PostgreSQL.
AI & Workflow Automation
AI agents and n8n workflows that turn repetitive tasks into useful systems.
Products & Open Source
Building JSONScope and sysGiD, and sharing reusable tools on GitHub.