API

· Designed and developed first-party GraphQL API and GraphQL support infrastructure.

· Own the Twitch edge, including quality of service, endpoint design, and defining an SLA with Twitch community and partners

· Interface with product and engineering teams across Twitch, advising on API/service design and best practices

· Led engineering effort to stabilize and optimize polyglot micro-service recommendation system

· Designed and built fast, robust, flexible business rules service to surface recommendable candidate sets personalization pipeline (400K op/s, < 10ms tp90)

· System optimizations efforts led to greater stability, faster service response times, and 20% reduction in AWS bill

· Designed and implemented various service front-ends for both external and internal users

• Helped architect and implement vehicle reservation and management system back-end

• Created real-time in-browser dashboards for displaying instantaneous system state to aid vehicle systems operations team in making operational decisions

• Created a system management application front/back-end for both systems operations and customer service teams

• Helped develop a standardized continuous delivery process across multiple projects

• Technologies used: Java, Ruby, Spring, Rails, Javascript, HTML, SASS, CSS, Redis, PostgreSQL, WebSockets, RabbitMq

• Article: http://www.washingtonpost.com/blogs/innovations/wp/2014/11/07/armed-with-a-fleet-of-teslas-shift-takes-aim-at-uber-public-transit/

• Migrated search functionality to a large scale distributed system, leveraging service oriented architecture

• Provided gap analysis of search components during technology migration phase

• Advised development of tech internship program / hiring

• Developed search analytics API and front-end UI which allowed merchandisers to gain insight from search data using Apache Pig on AWS

• Optimized Apache Solr and related search infrastructure for increased stability and result relevancy