David Alejandro González Robles

Multi-role educational platform where university students have weekly AI-guided reflection conversations scored across 10 learning dimensions. Built for Stanford's ENGR306 course. Features include a modular 5-layer prompt engine, real-time chat with speech-to-text, academic dashboards with heatmaps and AI-generated insights, personality assessments (Enneagram, Working Genius, SCARF), multi-language support (EN/ES/JA), and role-based access for students, academics, and administrators. Replaced a single-file Flask chatbot with a scalable multi-tenant platform.

Evolve is an AI-powered Progressive Web App for structured personal development. Built with React, Firebase, and the Claude AI API, it unifies fitness tracking, goal setting with vision boards, meal planning, and book tracking into one experience. Claude AI is embedded throughout: it analyzes workout statistics and suggests improvements, generates personalized weekly meal plans and nutrition insights, recommends books based on your reading history, and provides goal-specific action steps. Google Books API enriches the library with cover art and metadata. Evolve transforms abstract aspirations into measurable progress across every area of your life.

Cross-platform mobile productivity app (iOS & Android) built with React Native, Firebase backend, and Stripe payment integration. Serves 800+ active users across LATAM, USA, and Spain with time management tools, habit tracking systems, and financial goal monitoring—featuring real-time data synchronization, secure payment processing, and cloud-based user authentication.

Complete agency management platform built with Next.js 15, TypeScript, Supabase, and Stripe. Features public landing page with services showcase and contact forms, client portal for project tracking and subscription management, and admin dashboard for managing clients, projects, and content. Includes automated billing, email notifications with Resend, PWA capabilities, and SEO optimization.

Full-stack learning management system (LMS) and consultancy booking platform built with React 18 + Vite, Firebase backend (Auth, Firestore, Functions, Storage), and Stripe payment integration. Features progressive course modules with exercises, consultancy service marketplace, admin dashboard with sales analytics, real-time appointment scheduling, and secure payment processing for animal connection education services.

Multi-tenant SaaS platform for nutritionists built with Next.js 15, TypeScript, Supabase (PostgreSQL + RLS), Stripe, and Resend. Enables multiple nutritionists to run independent websites from shared infrastructure with complete data isolation. Features customizable landing pages, interactive calculators (BMI, calories, water), admin CRM for client management, downloadable resources library, integrated blog, email marketing, Stripe payment processing, and tier-based feature limitations—serving multiple active clients with separate deployments and personalized branding.