Jaykumar Patel

• Owned data model design for eBay Checkout, and Shipping domains

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• Led the development of QueryForm to govern self-service data access and enforce security and quality.

• Led DataStax Astra DB (a multi-cloud DataBase-as-a-Service) architecture
• Re-defined Astra DB's data-services state and the state transition.

• Designed and implemented an initial version of eBay mobile API
• Led the design and implementation of a workflow management engine based on Hibernate, Spring and Ext JS.

• Designed and developed Data Acquisition (DAQ) system for Large Volume Plasma Device labs (LVPD)

• Led NoSQL Data Model design
• Modeled use cases on Cassandra, MongoDB, and Aerospike
• Led PayPal's highly critical User and Account data model re-design and database sharding effort.

• Directed a team to re-design Apigee's Cassandra data model to be performant, multi-tenant, and cost-effective
• Designed a real-time data analytics platform for Apigee for both structured and unstructured data.

• Owned data model design for eBay Mobile and Buyer domains
• Analyzed mobile use case data requirements and designed the data model to support rapid mobile growth.

• Implemented inter-connected advanced weblog and user search for IBM's internal blogging website
• Customized IBM's internal blogging website for external usage.

• Designed and developed a Unified Messaging System (in VC++ and MCF).