Developed & maintained various novel backend features for the Roster Ingestion pipeline, which ingests roster files from various healthcare providers & performs data standardization, transformation and augmentation. Developed the backend for a system, in tandem with Data Science team which parsed large healthcare contract documents and extracted useful attributes, which can be queried via the query tool. Developed the above Intelligent query tool.

Backend Developer for Nanovest, a US stocks and crypto trading app for Indonesian citizens. Worked predominantly on the account service module which dealt with customer onboarding via KYC, authentication, authorization, fraud, risk management, forgery detection etc.

Backend developer for Apple Online Store's Online Self Service module contributing to EMEAI geo expansion, building novel features like return for replacement / refund, Govt. compliant invoicing system for TW and UK, deferred payments in CN extensible to multiple vendors et al.