Juan Leal

Designed and implemented a binary text classifier with Google Vertex AI to flag sensitive medical terminology in audience names. Migrated a Ruby on Rails service from TransUnion to Experian demographic data and built production applications with Rails, Sidekiq, Vue.js, PostgreSQL, Docker, and Kubernetes.

Integrated Google Cloud Natural Language API for semantic classification across social media comment streams. Implemented a Bayesian classifier and ranking workflow in Ruby and integrated Twitter, YouTube, Facebook, Gnip PowerTrack, and Twitter Ads APIs.

Built an electronic royalty-payment system using PayPal and Dwolla APIs with payment verification and error handling. Developed a book-fulfillment integration generating fixed-width purchase orders via a custom Ruby DSL and FTP file transfer.

Supported Rails applications on AWS through RightScale and created reusable deployment automation with RightScripts and Capistrano. Built Sinatra services backed by Redis for job-progress tracking and integrated IDology identity verification.

Delivered Rails 3 features with RSpec, Cucumber, Capybara, and Factory Girl.

Improved performance and maintainability of an Equifax document-management system built with Ruby on Rails.

Developed software for education administration products.

Contributed to enterprise ERP, CRM, and HRM business software.

Completed coursework in Internet Technologies at Foothill College from 2007 to 2009.

Completed coursework in Computer Science at College of San Mateo from 2006 to 2007.

Completed coursework in Computer Science at Mission College in 2003.