My name is Alexander Espinoza.
I am a software engineer by day.
At night, I follow the inscrutable exhortations of my soul.
I am currently located in Providence, RI.
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Here are some things I've created.
Aesymmetric
A boutique custom development and conversion rate optimization agency serving direct to consumer Shopify brands and other SaaS clients. Created many custom private Shopify apps running in production for over 100+ clients that serve millions of customers per year.
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Dalyn Rug Company
Created custom Shopify app using Rails, Postgres, and Sidekiq hosted on AWS that syncs product, order, and inventory data to and from their suppliers and partner merchants. Handles tens of thousands of individual data sync calls per hour communicating between the Shopify API and various third-party ERP/warehousing systems.
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Milan Fabjanovic
Created custom Shopify app using Rails, Postgres, and Sidekiq hosted on AWS for the 'Home Depot' of Chile. App handles thousands of data syncing calls per hour syncing product, order, and inventory data between their Shopify store and brick and mortar store locations communicating with their 20+ year old ERP system. Using the Shopify API and their ERP's XML-based API.
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AI Companion Chat App
Designed a scalable Rails 8 “Solid stack” app (Hotwire, Stimulus, Turbo, Solid Cable, Solid Queue, Solid Cache, SQLite, Litestream, AWS) to support thousands of DAUs and 100+ concurrent users.
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Donation Pop
Available on the Shopify App Store, adds donation functionality to stores, installed by 500+ brands. Built with Rails 7, PostgreSQL, Turbolinks, Sidekiq, Redis, Liquid, Shopify Polaris, Shopify CLI & API.
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Clipsey
Twitch clip downloader web app, 7,000+ DAUs. Back-end serverless API using Ruby on Jets, AWS Lambda, API Gateway & S3, with front-end static site using vanilla JS, HTML, CSS.
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Tell Me Where To Eat
A web app that tells you a random restaurant close to your location to go eat at. Front-end made with React, back-end made with Rails 8 API mode. Uses the Google Places and Maps APIs.
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