Carlos Guijosa

Full-stack intelligent orchestration platform for end-to-end automation of government bidding processes. The backend implements processing pipelines powered by Azure Document Intelligence and Gemini API (upload → indexation → classification → orchestration), with dedicated WebSocket channels for real-time progress streaming. Features native file manipulation (compression, PDF merging, automated Excel reporting) and a modular architecture synchronizing bidding documentation between technical and financial modules. Developed at NoMaTech.

Bilingual full-stack platform where projects, businesses, services, creators, and job openings compete for transparent weekly visibility. Payments accumulate in USD and determine each listing's position in real time, with a permanent hall of weekly podium winners and no Miralo account required.

Complete desktop point-of-sale solution with inventory control, sales metrics, receipt printing, and barcode scanner support. Integrates MercadoPago checkout terminals and is designed for high-volume retail transactions.

Full-stack web application integrating administrative, informational, and e-commerce capabilities. Built with cutting-edge web technologies to deliver robust performance, security, and seamless Stripe and PayPal checkout flows. Developed in collaboration with DiegoPasaye.

Progressive migration and remake of the original Python/PyQt6 enterprise POS system into Flutter Desktop. Retains complete business domain logic while overhauling the visual experience, architecture, and data layer to address technical debt. Supports offline SQLite operation, direct MySQL/MariaDB, and remote Hono API integration with PostgreSQL/Neon.

Full-stack web platform built for high-performance cryptocurrency trading simulations and market visualization. Features interactive candlestick charting with Recharts, user authentication via Supabase Auth, real-time simulated order matching, portfolio management, and a responsive glassmorphic UI.

Complete gym management ecosystem combining a high-performance web application with a WhatsApp automated bot connected to Meta's Cloud API. Features membership renewals, payment processing (Stripe & PayPal), dynamic schedule checking, and automatic attendance notifications.

Full-stack employee activity reporting and management platform with visual evidence logging and productivity statuses (productive, normal, blocked). Features role-based dashboards for employees and managers, alongside automated PDF report generation (daily, weekly, bi-weekly, or monthly) for full teams, selected staff, or individual contributors.

Mobile and web application developed with Ionic and React for fragrance enthusiasts. Allows users to catalog personal collections, track wear history, discover scent profiles by season and occasion, log ratings and impressions, and explore curated community recommendations.