- Improved the customer facing API performance from 3sec to 120ms by enhancing the existing elastic cache with more robust pipeline processing. It included realtime time monitoring for processing failures & data inconsistencies and auto re-conciliation.- Designed and developed an infrastructure with all standards for asynchronous API call processing and contributed to the infra team so that any API which wants to process the requests asynchronously can simply enable the capability.Blog : https://medium.com/@vimalc/convert-a-sync-api-to-async-in-enterprise-scale-271a2848c6f0- Lead multiples projects/initiatives like QRC, Crypto,etc for successful deliveries with high quality.- Mentoring new joiners from college and also new joiners to bring them to the speed.- Leading three scrum teams and providing technical/domain solutions for the various products/initiatives.- Performing Solution engineer and architect role for Paypal dispute resolution domain.- Promoting product hygiene, process among the team to deliver quality products.

- Expanded the capabilities of PayPal Customer disputes API to include Merchandise, Account Take Over(ATO) and Chargebacks/ACH disputes in the PayPal resolution experience.- Externalised the merchant capabilities of this API as a GA product. Reference : https://developer.paypal.com/docs/integration/direct/customer-disputes - Conceptualised, designed and developed an elastic-store based cached SOR to provide feature rich search/filter capability for large merchants. It is implemented with event-driven data pipeline which process, enrich and publish events into elastic store in realtime.- Enhanced the product with more capabilities for marketplaces(eg AliBaba), large enterprise merchants and multiple paypal,Inc tenants(eg: Venmo) integrations.- Presented our reactive programming design strategy, evolution of our micro services and event-driven architecture in Great International Developer Summit 2019.- Planned and successfully executed the deprecation of multiple legacy services by providing the more generic product solution for both internal and external consumers.- Acted as cultural champion for Dispute Resolution domain.- Conducted Brownbag sessions among various teams to bring in innovations and opening up the forum for more technical discussions.

- Redesigned the reporting module to enable custom report generation with personalised fields in different formats for the merchants to understand money flow analysis, Reconciliation, Tax payments, etc- Enabled merchants to generate reports in daily, monthly or quarterly subscriptions or adhoc by implementing publisher and consumer.- Optimised the report generation time and reduced failures to almost zero.- Conceptualised, designed and developed PayPal customer dispute API as part of API-first strategy for internal consumption and piloted new billing disputes experience via Paypal resolution center.

Lecturer for Software Engineering