Fullstack Developer

Web & Mobile

keyner, focused programmer wearing a hoodie and headset, working on a laptop.

Available for work

Projects

Shipped

Years

Experience

10+

APIs

Integrated

100%

Focus

Product Quality

Aboutme

I am a fullstack developer with hands-on experience building real-world products across web and mobile. I design and deliver scalable solutions, from APIs and backend services to polished frontend interfaces, always focused on performance, maintainability, and business impact.

Download CV

Diseñar con intención, desarrollar con disciplina

Multiple Tech Stack

I work across multiple technologies and frameworks to build scalable, real-time and production-ready systems.

Development & Systems

Building scalable web and mobile applications with real-time capabilities, strong backend integration, and production-ready architecture.

UX & Product Thinking

Focused on creating intuitive, efficient and user-centered experiences, reducing friction and improving workflows.

Open to Collaboration

Available for freelance projects, product development or team collaboration. Open to building impactful solutions.

TechStack

Core capabilities organized by domain, focused on production delivery and maintainable architecture.

Programming Languages & Frontend→

TypeScript

Python

Java

Angular

React

Blazor

Ionic

Tailwind

Backend & Databases→

.NET

FastAPI

Node.js

REST APIs

JWT

PostgreSQL

MySQL

MongoDB

Infrastructure & AI→

Docker

Linux

VPS

PM2

Cloudflare

Ollama

HuggingFace

OpenAI APIs

SelectedWorks

A collection of projects I've built and designed

SigrisOne Web

Production healthcare platform with web and mobile modules for daily operations, patient workflows, and health metrics visualization.

AngularIonicFastAPINode.jsMongoDB

SellerCall

AI-powered sales call automation system with real-time communication flows, operator tracking, and performance views.

Blazor.NETSignalRTwilioSQL

Mobile Projects

SigrisOne App

Production healthcare platform with web and mobile modules for daily operations, patient workflows, and health metrics visualization.

IonicFastAPIPostgreSQLAndroid StudioXcode

RonaldCoach

Subscription-based training mobile app focused on content playback and a clean portrait-first user experience.

VueCloudflareFastAPIVideo StreamingPayments

Experiences

Real-world experience building production products with technical and business impact.

SaludFamiliar

Fullstack Developer

2024 - Present

Building and maintaining a production healthcare platform used in clinical environments.

Developed Angular modules and FastAPI/Node services
Implemented authentication, roles, and clinical workflows
Built a mobile app with Ionic (Android and iOS)
Integrated PostgreSQL, MongoDB, and MySQL

AngularFastAPINode.jsIonicPostgreSQLMongoDBMySQL

SellerCall (AI Call System)

Fullstack Developer

2025

AI-powered call automation platform designed for sales operations.

Built a real-time system using Blazor, .NET, and SignalR
Integrated Twilio for voice, WhatsApp, and SMS
Managed call flows and automation logic

Blazor.NETSignalRTwilioWhatsApp API

Video Subscription Platform

Fullstack Developer

2025-Present

Subscription-based training platform with secure video delivery.

Designed React + FastAPI architecture
Integrated payments with ePayco
Used Cloudflare for CDN and protection
Implemented subscription-based access control

ReactFastAPIePaycoCloudflareJWT

Dialnet (E-commerce Frontend)

Frontend Developer

2025

E-commerce frontend for art and painter sales, focused on conversion quality.

Built UI and purchase journeys with React
Integrated payment system
Focused on UX and performance optimization

ReactTypeScriptPaymentsUI/UX

AI & Prediction Apps

Fullstack Developer

2024 - Present

AI-powered applications using APIs and local models for prediction and automation.

Used HuggingFace APIs and local AI models (Ollama)
Built prediction systems for real operational use cases
Implemented automation tools across backend flows

HuggingFaceOllamaFastAPIAutomation

Do you like mywork?

Have a project in mind, a question, or just want to say hello?
Feel free to reach out, I'm always open to connect!