Jay Barr Email & Phone Number

Bellevue, Wa, Us

● Dev lead for Agile team responsible for 3 billing micro-apps - front-end, API experience layer and CI/CD - for care center software. Story creation, refinement, and pairing/training with 6 SWEs.● Pioneered new architecture for ground-up app utilizing statically-served web component micro-frontends, GraphQL, and Kubernetes resulting in 300% increase in RPS vs previous stack.● Retired third-party payment service by onboarding in-house APIs resulting in $MM savings annually.

● Developed full stack service-oriented architecture application built in React.js with React Hooks. Styled with styled-components. Ran on Express.js with a MySQL database.● Collaborated with team of 3 engineers to write modules for product overview, images and videos, and interactive reviews.● Constructed restful API endpoints for reviews module that utilized optional parameters to serve only visible reviews and conserve client memory. Sorting, filtering and pagination controlled with conditional rendering by React state for a seamless and responsive UI.● Deployed on AWS Elastic Cloud (EC2) with static assets served from Simple Storage Service (S3) and optimization with CloudFront CDN for text compression and cache control. With optimization, improved performance on Lighthouse (Google Pagespeed) audit from 1 to 98.● 90% unit test coverage and continuous integration with Jest and CircleCI.

● Legacy product detail platform scaled for high-traffic conditions while maintaining an optimal user experience.● Scaled to 10MM records on 4 AWS EC2 instances with NGINX load balancer on t2.micros.● Tracked stress-testing with Artillery, Loader.io and New Relic improving from 250 to over 1500RPS.● Improved latency and response with Redis cache and vertically-scaled PostgreSQL database.

● Algorithmic-based page-rendering software application handling persistent data for multiple users.● Created a single elimination tournament app with dynamically-rendered brackets based on size/seeds.● Wrote algorithms to control placement of teams/players based on seed and to scale bracketing.● Deployed to Heroku and connected to MongoDB for persistent user data.

Us

● Built microservices and integrations with remote Agile teams in Git workflow, as well as autonomously.● Customized and maintained over 40 websites, themes, and plugins in JavaScript, PHP, CSS.● 24 businesses at peak on a monthly service contract for web marketing and website development.

Computer Software Engineering

Master'S Degree

Bachelor'S Degree