Core experience team

Merchant catalog systems: merchant item ingestion / product groups / catalog sales promotion.Led merchant publishing team: Responsible for technical roadmap & vision + mentorship

I led the company's engineering department. During my time:- Introduced / improved the company's tech stack with advanced libraries, offline workflow and analytic tools.- Led the effort to bring down total infra cost by 30%- Built up the first performance review system & rubric for eng. - Improved overall team efficiency by introducing better planning and execution best practices.

Providing consultation to the company's engineering matters.

Ads product, targeting, promoted answer, Leads generation, Advertiser acquisition & retention.

Pricing, unlimited program, promotions, SEO, A/B testing & experimentsPython, golang

Email marketing, User sign up experiences.Improved user engagement, up-selling flow and top funnel user acquisition. Python, Django, Ember

Web Services Framework Team- Worked on eBay Java Services framework: JAXRS, JerseyMiddleware Services Team- Worked on eBay Global Remote Configuration System. Created PayPal instances of the config system including Rest services, Java/nodejs Client and config editor UI console.- Contributed eBay cloud system - Application Registration ServiceKernel Team - Sub area: Security Platform- Created new Authentication Service including developing new policy database, restful services and UI console.- Designed and implemented Oauth client registration database and rest APIs.- Worked on eBay Rate Limiter and improved its functionality and processing speed of event processor in order to monitor and block the malicious attack on eBay marketplace.

Data and Security Platform Team- Worked on Real Time Defender in order to monitor and block the malicious attack on eBay marketplace.- Improved the functionality and processing speed of event processor by designing and implementing “Esper”.- Improved database performance by adapting XpressMP.- Built test environment and cases in order to get the performance benchmark of both Esper and XpressMP

· Commanded a company of troops engaged in operations below Ordinance and Training · Performed duties relating to supply and operations management.