working on voice connectivity and traffic management

working on voice connectivity and traffic management

alexa personality and engagement engineering

— designed and implemented a content management tool using ruby on rails and react that supports a peer-based review system, a backend java service to store and retrieve personalized search results, track customer impressions to drive analytics for measuring customer engagement.

— designed and implemented an eventually consistent catalog update feature and reduce our storage.

— worked full stack to enable Alexa to control device actions by overriding voice control, for an internal tool. this tool was used by for conducting conducting usability studies by amazon researchers.

— led efforts to launch new conversational CX, that drives weekly engagement by 20%. Designed and implemented the ability to do A/B testing for launching new features, render conversational pleasantries based on weather, user interaction context etc with Alexa.

fraud modeling and engineering

— added new backend APIs to support real-time fraud scoring scenarios for online booking.

— designed and implemented a solution to evaluate newly trained models using live traffic to provide a means of testing before promotion for the modelling team.

— made several enhancements to the model training process like improved UX to support custom sampling, reducing our data storage needs by 50% (~500GB) per trained model by tuning Hadoop map reduce jobs.