Fidelyt – Loyalty Platform
Complete loyalty platform for businesses with a scalable backend, web applications and mobile apps.
- Scalable backend
- Secure REST APIs
- JWT authentication
- Django
- PostgreSQL
- React
- React Native
Full Stack Developer · Web, mobile and automation
I build modern, scalable, business-focused web and mobile experiences.
Specialized in Django, React, React Native and modern architectures. I build digital products optimized for performance, scalability and growth.
#stack
Technologies and tools I use to build fast, scalable, business-focused digital products.
#projects
Digital products, platforms and applications built with a focus on scalability, performance and user experience.
Complete loyalty platform for businesses with a scalable backend, web applications and mobile apps.
Corporate website optimized for conversion and SEO, built with modern technologies.
Real estate platform with direct integration to property management systems and automatic synchronization.
Cross-platform mobile app for loyalty program users with an intuitive interface.
Custom intranet for businesses with a dashboard, customer management and detailed reports.
Testing environment with E2E testing, business flow validation and a QA sandbox.
Corporate website for a medical clinic with modern design and SEO optimization.
Web app for managing lists, inventories and pantries with real-time sync.
Corporate website for a bike shop with modern design and SEO optimization.
React dashboard with launch data, filters, a map and PDF report export (technical assessment).
Tracks cryptocurrency prices, volume and market cap using public CoinGecko data.
Web tool to convert, fix, optimize and explain SQL, ORM, MongoDB, GraphQL and other queries, with a local mode and an optional AI mode.
Integration and visualization of activity data from Garmin and other sources.
Demo for case files, document review and explainable risk scoring in foreign trade.
P2P marketplace to rent products, properties, vehicles and services, with a catalog, bookings and dashboards for owners and customers.
Shared conversational assistant that answers questions about professional experience, projects and skills from a serverless backend, integrated and tested in Astro and GitHub Pages portfolios such as legongoraek.github.io.
Modular clinical platform with a longitudinal EHR and a specialized RIS/PACS module for radiology, with FHIR interoperability, auditing and a safe boundary for clinical AI that issues no diagnoses without a clinically validated model.
Open-source Agent Skill with a Node.js CLI to query EI Analytic industrial monitoring data: hierarchy, historical measurements, FFT/TWF signals and thermal images.
Provider-agnostic WhatsApp connectivity platform: one inbox for multiple lines, with conversation persistence, automations, AI agents and handoff to human support via Chatwoot.
#experience
Over 7 years across field engineering, quality and operations, process automation and web and mobile software development.
July 2026 – PresentCurrent
Camtom
Mérida, Yucatán
July 2025 – PresentCurrent
FidelyT · Freelance
Remote
October 2022 – January 2026
Erbessd Instruments
Mérida, Yucatán
2021 – December 2025
Freelance
Mérida, Yucatán
December 2018 – January 2022
Corporativo Marcha, S.A. de C.V.
Mérida, Yucatán
June 2018 – December 2018
Corporativo Marcha, S.A. de C.V.
Mérida, Yucatán
January 2018 – July 2018
ISSSTE, Hospital Regional de Mérida
Mérida, Yucatán
#contact
I build web and mobile solutions focused on performance, scalability and digital growth.
From web platforms to mobile apps and process automation. I'm ready to help you build something great.