A crypto-to-fiat card-payment backend letting users spend cryptocurrencies via cards.
Odix Pay is a payment backend that lets users spend cryptocurrencies through cards. Built as modular ASP.NET Core microservices with Clean Architecture, it integrates Ethereum, Tron and Bitcoin, supports multi-tenancy, and includes secure transaction and wallet-sweeping engines.
Bridging on-chain balances to fiat card rails securely, across multiple chains, with strict correctness on every value transfer.
Senior backend developer — built microservices, multi-chain integration, and the secure transaction and wallet-sweeping engines, deployed to AWS ECS.
Designing wallet-sweeping and transaction engines that are correct and secure under concurrency across three different chains.
A modular, multi-tenant payment backend running on AWS ECS with CI/CD.