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Mastercard Fee Calculator

A scalable fee-calculation system for CIB — covering rule evaluation, audit logging, and role-based access control across multiple transactional data sources.

TypeScriptNode.jsRule EngineRBACAudit Logs

CASE STUDY COMING SOON

A full write-up is in progress — covering architecture decisions, challenges, and lessons learned. Check back soon, or reach out if you'd like to discuss this project directly.

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