Ethan Escareño Rosano

Ethan Escareño Rosano

Mentor
5.0
(34 reviews)
US$20.00
For every 15 mins
39
Sessions/Jobs
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First 15 mins free for your first session
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ABOUT ME
Software Engineer
Software Engineer

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.

Spanish, English
Central Time (US & Canada) (-05:00)
Joined November 2015
EXPERTISE
9 years experience | 1 endorsement
9 years experience
9 years experience
5 years experience
2 years experience
4 years experience
5 years experience

REVIEWS FROM CLIENTS

5.0
(34 reviews)
Amir
Amir
May 2022
Came to Ethan to implement a React UI from scratch. He is very knowledgeable about React and its ecosystem. He communicates well, is a quick and pragmatic developer. Have had 5 one hour long sessions and will likely have more. Recommend him for any React work.
Tedd Fuller
Tedd Fuller
May 2022
great help again thank you! Good listener and teacher.
Hak Gov
Hak Gov
May 2022
Ethan is good with what he doing he help out with my project and explain is really easy to understand
Tedd Fuller
Tedd Fuller
May 2022
great work thanks
Vlad
Vlad
March 2016
Every time I work with Ethan is great pleasure. Fast and to the point.
Dag vB Bunkholt
Dag vB Bunkholt
March 2016
Very helpful again and very pedagogic! Always replies when I'm desperate .)
Dag vB Bunkholt
Dag vB Bunkholt
March 2016
Very quick (most important) and excellent communication. Might be the best remote coder I have worked with.
Charles Voltron
Charles Voltron
February 2016
Ethan is truly an amazing developer. Extremely valuable resource to have.
Amos
Amos
February 2016
Ethan was a great help, fast explanations and good communication. Highly recommended for meteor related problems.
Charles Voltron
Charles Voltron
February 2016
another amazing session!
EMPLOYMENTS
Engineering Consultant
Shunya Health
2025-08-01-Present
  • Designed and implemented the architecture for a payment and revenue cycle app using temporal workflows
  • Integrated AI into...
  • 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.
Python
TypeScript
React
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Python
TypeScript
React
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Founding Engineer
Charta Health
2023-11-01-2025-08-01
  • Joined as First Engineer, built the v0 from the ground up, powering $600K ARR.
  • Key contributor in driving the company to ...
  • 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.
TypeScript
React
Jest
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TypeScript
React
Jest
Web3
Next.js
Tailwind css
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Software Engineer
Mora Medical
2022-08-01-2024-03-01
  • Engineered the app’s end-to-end stack to support critical workflows, including appointment booking and payment handling
  • S...
  • Engineered the app’s end-to-end stack to support critical workflows, including appointment booking and payment handling
  • Served as the sole developer of a React Native app for our customers
  • Developed a CMS using TailiwindCSS + NextJS + Supabase, where medical staff could manage their schedule and appointments, monitor patients attendance to circles and have access to patients info
  • Worked closely with the CEO to define the specifications for each feature through direct collaboration
SPA
React
Jest
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SPA
React
Jest
Webpack
Material-UI
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PROJECTS
Pa'donde
2014
Padonde was a platform where local restaurants would post their daily promotions and discounts, people would be able to see the promotion...
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.
HTML/CSS
Node.js
Meteor
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HTML/CSS
Node.js
Meteor
JavaScript
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