I worked on a wide variety of projects at groupon during my 8 years there. I've lead projects ranging from customer facing feature development to all the way down the stack to improtant devops projects.
Some sample projects that i've lead here
> Lead the product infrastructure for data onboarding, governance and semantic extraction. This pipelineconsolidated many similar systems that suffered from poor ux and a lack of proper governance model .This initiative improved project delivery times by a factor of 11x. Tech stack was kafka,spark, clojure, hdfs,java.
> Lead the development of a company wide continuous deployment system that ran over 200,000 builds/deployments week. The team consisted of 7 senior level engineers.
> short and long term web and backend scaling. Experienced in scaling CDN, web assets, GC, database and network tuning.