Juan Felipe Rivera Gonzalez

Modern portfolio website built with Astro featuring internationalization (EN/ES/PT), View Transitions for SPA-like navigation, AOS animations, and comprehensive SEO with Open Graph and JSON-LD structured data. Deployed on Netlify with CI/CD.

Django-based interactive wizard guiding higher education institutions through NSSE (National Survey of Student Engagement) data analysis. Built 8-step guided workflow with session-based progress tracking, dynamic PDF generation with xhtml2pdf, and email delivery via SendGrid. Manages hierarchical content branching across 16 institutional challenges with 73 comprehensive tests.

Enterprise-grade open-source PHP library for Canvas LMS API integration with 85% API coverage. Architected using Active Record + DTO patterns with PSR-12 compliance. Achieved 95%+ test coverage with 964 tests and 4,430 assertions.

Powerful command-line interface for Canvas LMS built with Go. Features OAuth 2.0 with PKCE authentication, system keyring integration, multi-instance support, adaptive rate limiting, and 280+ commands covering all Canvas LMS resources. Includes interactive REPL mode with command history and completion.

AI-powered chatbot platform for ACUE using hybrid RAG search with vector similarity and BM25 keyword matching. Features automated knowledge base ingestion, visual workflow engine with n8n, security guardrails, and multi-bot support powered by Google Vertex AI.

Self-serve digital invitation SaaS targeting the Spanish-speaking LATAM market. Astro 5 SSR + React 19 islands (Three.js, motion). AI stack on Vertex (Gemini + Imagen 4 Fast) and DeepInfra — in-builder Asistente with patch / undo / image-edit tools, step-by-step creation wizard, inspire prompt, and paste-and-parse guest importer; circuit breaker, cost caps, PII filter, per-tier rate limits. Data-driven payment router via capability matrix: Wompi for COP (card / PSE / Nequi / Bre-B QR) plus Lemon Squeezy internationally, hybrid subscription × per-event model with reconciliation cron and past_due webhook. Feature-flag system (ai / payment / kill-switch / experiment) with admin toggle and audit log. Custom domains via DNS verifier + Traefik auto-TLS. PostgreSQL + Drizzle (forward-only migrations, audit triggers), Better-Auth, R2 storage, @vercel/og share previews, Sentry + Pino observability. 4-layer permissions (auth → role → resource → action) with a capability dictionary and a scoped DB factory that injects the host filter at query time. Vitest (unit) + Playwright (e2e against a Postgres 17 service); pre-commit gate runs lint-staged (ESLint + Prettier), typecheck, and units. Staged CI: typecheck + build + a Drizzle journal monotonic guard → e2e → SSH-triggered deploy on green main. Self-hosted on Coolify.