Develop SPA in React, GQL, and Nextjs for booker that boosted conversion 30% over parity with origin flow built in Ruby on Rails. Modify GraphQL endpoints and models in Ruby application to enable frontend queries and mutations to consume data on the frontend. Implement analytics tracking for user events in application. Collaborate with product team to implement A/B tests in booking spa via VWO. Write tests with Jest and Mocha for frontend testing, and Minitest for Ruby application.

Instantiate Firebase application to host proof of concept with real-time NoSQL database and social media Oauth to generate tokens and persist user logins. Develop React frontend to iOS app in React Native and XCode IDE to test functionality. Utilized React Router v4 dynamic routing and Memory Router to handle user navigation through SPA. Participate in decision-making process for full-stack application design based on client needs and program efficiency.

Maintain and improve multiple React/Redux SPA websites hosted with AWS. Prepare applications for production with code reviews and manual testing with Chrome, Safari, Firefox, and IE 10. Handle page navigation with React Router and React lifecycle methods. Project management including assessing scope of work, task delegation in Asana, and assessing task completion. Persist data across user session and track returning users. Handle payments in SPAs.