Architected a bi-directional sync pipeline between Coinbase and CoinTracker

to auto-reconcile missing cost basis across user portfolios. Designed transaction-splitting logic to decompose aggregated

crypto transfers into accurate, audit-ready tax lots  closing a compliance gap aecting hundreds of thousands of

users. Achieved 20% adoption within the target cohort in the rst release cycle, across Coinbase's $1T+ annual

transaction volume (~8M monthly transacting users)