• Build and maintain an offline-first distributed system React Native mobile application focused in media capture and upload.

• Migrated and refactored mobile application navigation structure and implementation.

• Converted core mobile React Native application from Flow to Typescript.

• Designed and built native mobile SDKs for iOS and Android to deliver server-defined UIs to mobile applications.

Building business management software for inventory based companies as a full-stack developer.

• Transitioned a Rails 4 API with Angular client app to a Rails 5 web app to a Rails 5 GraphQL API with several React and React Native clients. This multi-tenant web app is fully featured with capabilities including Ecommerce storefronts with a theme editor; sale, return, purchase, and RMA processing; invoicing with terms, penalties, and discounts; and tiered pricing for customers, groups, and items.

• Led a project to create and maintain a React Native mobile point-of-sale app for iOS that included barcode scanning, credit card processing, item and order level discounts and promo codes, rewards programs, customer credit accounts, split payments, gift cards, returns, and exchanges.

• Created a React Native inventory counting app for iOS and Android backed by two GraphQL APIs — Rails 5 for our core app and Rails 6 to connect to a custom Shopify App.

• Created Electron desktop apps for point-of-sale, printing labels and weighing packages.

• Maintain and deploy servers for managing Elasticseach, HaProxy, Nginx, Rails, Sidekiq, Postgresql, Redis.

Developed iOS apps for consumers and clients. Project apps included a Bible reader, Photo Booth companion including backend server to handle image processing and storage, and a photo social networking app.

Developed Ruby based micro services used for configuring and deploying cyber ranges.

Build web apps for international service and contract renewal and quoting software, using a combination of HTML, Javascript, C#, CSS, SQL, XSLT, and a domain-specific language (DSL). Began mentoring and teach coworkers after only 1 month experience with this DSL.