Personal details

Ethan R.

Sr. Software Engineer

Based in: 🇲🇽 Mexico

Timezone: Central Time (US & Canada) (UTC-5)

Technical skills

Top 3 skills

React・9 yrs TypeScript・5 yrs Golang・2 yrs

Other skills

Node.js・9 yrs AWS・9 yrs Terraform・4 yrs Python・5 yrs AI・3 yrs Next.js・9 yrs Google Cloud Platform・5 yrs

About

10+ years of experience, driven by a startup mindset and a passion for building things from the ground up. I’ve launched multiple applications, designed reliable systems, and delivered products end-to-end in fast-moving environments. I thrive on turning ideas into working solutions, balancing speed with thoughtful architecture.

Work Experience

Engineering Consultant

Shunya Health | Aug 2025 - Present

Python

TypeScript

React

Designed and implemented the architecture for a payment and revenue cycle app using temporal workflows
Integrated AI into core workflows to automate processes and increase efficiency
Sole developer for the frontend, building a multi-tenant application with Next.js and TailwindCSS.
Designed and implemented the database layer (PostgreSQL) with a focus on observability and monitoring.
Led and architected the backend in Go, ensuring scalability and reliability.
Created an integration orchestrator leveraging browser-automation tools to streamline complex workflows.
Designed and provisioned cloud infrastructure using Terraform, optimizing for security and cost efficiency.

Founding Engineer

Charta Health | Nov 2023 - Aug 2025

TypeScript

React

Jest

Web3

Next.js

Tailwind css

Joined as First Engineer, built the v0 from the ground up, powering $600K ARR.
Key contributor in driving the company to a $23M Series A raise reaching a total of $30M founding
Built and deployed a Chrome extension to run AI analyses directly in the browser.
Implemented an HTTP AI server capable of handling thousands of analyses per day.
Developed a robust deployment pipeline with AWS CodeBuild and GitHub Workflows, improving release speed and stability.

Projects

Pa'donde

2014

HTML/CSS

Node.js

Meteor

JavaScript

Padonde was a platform where local restaurants would post their daily promotions and discounts, people would be able to see the promotions for a certain day of the week, and also have a view of the 7 days of the week to plan their visit ahead.

Education

Universidad Tecnologica de Tamaulipas Norte

Bachelor's degree・Computer Science

Feb 2010 - Apr 2015

Certifications & Awards

CSS for JS Developers

https://css-for-js.dev/ | Apr 2023