gabriel@github ~ $ ./contributions.sh

gabriel@github ~ $ whoami

I build and maintain the backend and frontend of a last-mile logistics platform running in production: REST APIs in Node.js/Express, PostgreSQL with Sequelize, background jobs on Redis, and a large legacy Angular / jQuery / Kendo UI frontend under active modernization.

Most of my work sits where money, identity and legacy code meet:

• Enterprise SSO: OAuth2 / OIDC, integrating Okta, Auth0 and Microsoft (MSAL), including claims challenge and step-up MFA flows.
• Application security: removing unsafe-inline and unsafe-eval from the Content Security Policy of a legacy codebase, without breaking a decade of inline handlers.
• Billing & business rules: invoice calculation, SLA rules, penalties, disputes and refunds, shipped behind feature flags for controlled rollout.
• Async processing: scheduled jobs, queues and workers for batch financial routines.
• Mobile features: Flutter screens integrating a facial-biometrics SDK for identity validation.

Graduated in Systems Analysis & Development and in Computer Engineering. Design background too (After Effects, Photoshop, Premiere, Figma), useful more often than you'd think when the product still needs to look finished.

_{Heatmap regenerated daily by GitHub Actions from public contribution data. Monogram, terminal session, card and heatmap are hand-rolled animated SVGs (see scripts/).}