petermunachi

Built asset-tokenization smart contracts and backend services for a fintech platform providing blockchain-secured contracts and digital debt-collection in a decentralized finance (DeFi) setting. Developed backend REST APIs handling 1000 transactions/day, integrating on-chain state with off-chain enterprise data for verification and liquidity workflows. Implemented multi-party workflows (contract creation, verification, settlement) with unit, integration, and end-to-end tests covering failure handling and volume scenarios. Managed repositories with Git and collaborated with product, design, and other engineers to deliver a cohesive, auditable product.

Developed Ethereum smart contracts in a test-driven environment for a web3 marketplace with shared- revenue and issuance features. Built a crypto wallet, integrated NFTs into applications, and implemented token issuance and airdrop contracts reaching 3000 users. Designed on-chain/off-chain interactions and event-driven services backed by Kafka and Redis.