Profile
Dynamic Full-Stack Developer with 5 years of experience delivering
innovative solutions across web and mobile applications. Expertise
in enhancing user experiences through robust feature implementation
and bug resolution, utilizing technologies such as Node.js, C#,
.NET, Python, React Native (Expo), React, and VueJs. Committed to
transforming complex challenges into seamless, scalable interfaces
that foster collaboration among remote teams. Passionate about
leveraging AI and Web3 technologies to create impactful digital
experiences that resonate with users.
Employment History
Full-Stack Engineer
Nov 2021 — Present
Newfold Digital (Newtech)
- E-Commerce Platform Support: Maintained and enhanced multi-marketplace e-commerce integrations (eBay, Amazon) for Ecomdash, handling complex order processing, inventory management, and third-party API integrations for businesses of all sizes.
- Micro-Frontend Architecture: Built on top of scalable micro frontends for 50+ brands using Material UI and Tailwind CSS, ensuring brand consistency while reducing load times.
- AI-Powered Website Builder Platform: Developed a conversational AI business builder with multi-agent orchestration (Domain, Website, Brand agents) enabling users to create complete web presences through natural language. Built micro-frontend architecture with React 19 ESM modules and real-time WebSocket preview updates.
- AI-Driven Onboarding System: Developed an intuitive AI-powered onboarding process that reduced user drop-offs by 15% and cut onboarding time by 60%.
- AI-Powered Virtual Assistant Platform: Built NewfoldGPT, a reusable micro-frontend AI framework with 4 specialized models (coding, reasoning, everyday tasks) deployed across Finance, Development, and Support teams.
- AI Voice Agent Backend System: Built a production-ready FastAPI backend with PostgreSQL 16 to manage AI-powered voice conversations, processing real-time metrics, tool calls, and LLM usage tracking. Implemented secure webhook authentication with HMAC-SHA256 validation and automated data retention policies.
Software Developer
Apr 2022 — Aug 2022
Torre.co
- Developed and enhanced features for the Torre platform using Vuejs and Nuxt, improving overall user experience.
- Resolved bugs and performance issues, ensuring platform stability and reliability for users.
- Collaborated with cross-functional teams to gather requirements and deliver effective technical solutions.
Frontend Developer
Nov 2020 — Oct 2021
Media Revolutions
- Developed and implemented new features for EWallet application utilizing Next.js within a monorepo architecture.
- Resolved complex bugs to enhance application performance and user experience.
- Collaborated with cross-functional teams to ensure seamless integration of features and maintain code quality.
Skills
Frontend
ReactJS
React Native
Expo
VueJs
TypeScript
JavaScript
NextJs
HTML5
CSS
CSS3
Tailwind CSS
Backend & Tools
Node.js
Bun
Express.js
C#
.NET
Python
FastAPI
GraphQL
Socket.io
Git
Databases
MongoDB
PostgreSQL
SQLite
Languages
Spanish
English
French
Projects
Santa Biblia RV60+Audio
Developed a comprehensive cross-platform mobile Bible study
application using React Native and Expo, available on Google Play.
Implemented advanced features including AI-powered Bible guide
with Google Generative AI, offline-first architecture using
SQLite, concordance, Strong's word references, commentary,
dictionary, timeline visualizations, scripture memorization games,
quizzes, custom note-taking with Lexical rich text editor, hymn
library, audio playback, text-to-speech, and quote image
generator.
React Native
Expo
TypeScript
SQLite
Google Generative AI
Lexical
TailwindCSS
PocketBase
Lunaria: Period Tracker
A privacy-first period tracking app built with local-first
architecture. Users can track their menstrual cycle, log symptoms
and mood, view cycle insights and estimates (fertile window,
ovulation), and use a visual calendar—all without creating an
account. Features guest mode, optional cloud sync, custom
notifications, and data export. Designed for users who value data
privacy and offline access.
React Native
Local-first
Offline
Health & Fitness
Diccionario Español - Offline
A comprehensive offline Spanish dictionary app with intuitive
search, favorites, and search history. Features dark/light mode
and customizable themes for a personalized experience. Designed
for hassle-free word lookup tailored to daily use.
React Native
Offline
Books & Reference
Real-Time Multiplayer Connect Four
Developed a Connect Four-style web game with real-time multiplayer
using Socket.IO and integrated voice chat via WebRTC/PeerJS.
Features room-based matchmaking, turn synchronization, and a
PWA-ready architecture for cross-device play.
Socket.IO
WebRTC
PeerJS
PWA
Education
Software Development Technologist
Oct 2019 — Oct 2022
ITLA Santo Domingo
English Immersion Program
Jan 2016 — Dec 2016
UASD Santo Domingo
References
Ing. Raul Luna
Ing. Mikhael Santos Fernandez