Responsibilities span multiple programs: Modernization, Next-Gen Infrastructure, Developer Productivity, Operational Excellence, Architecture Guild, Design for Company-wide initiatives, and Mentoring.

- Led migration of the company's platform from monolith to microservices architecture. - Conducted system design reviews and partnered with CTO on architecture and infrastructure initiatives. - Enhanced stability of critical services through Reliability and Isolation program. - Managed teams for Upwork Desktop App, Time Tracking Backend, and Reporting.

- Drove the project to launch Quixey mobile application search services in China, running on a Alibaba’s cloud platform Aliyun. - Designed high-level Quixey system architecture to enable the new company strategy - search inside the apps. - Built the Quixey Ads platform for sponsored apps. - Led the team building public APIs to enable B2B integrations. Doubled the team size.

- Lead Ad Tech front-end team building Ad Management Portal. - Implemented Ad Management web service. - Led migration of A9 Ad products to use Amazon's standard build and deployment systems. - Launched Ad supply platform in EU.

- Defined system architecture and designed Ad Delivery services for Kindle with Special Offers. Filed 4 patent applications for different parts of the system. - Worked closely with Product Managers and dozens dev teams to deliver the project on schedule. - Hands-on coding for Kindle Ad Manager and other services. Reviewed most of the Kindle Ads code base. - Mentored junior developers to deliver service for Ad Mash Kindle application. - Extended Kindle Ads services to support Amazon Local deals on Kindle.

Built a new intranet portal and other social systems for Amazon employees worldwide.

Built a Two Pizza Team Portal which was used by Amazon's top leadership (S-Team). http://www.wordspy.com/words/two-pizzateam.asp