jackdisalvatore

Built a full-stack environmental asset platform using TypeScript, microservices, and cloud infrastructure. Developed backend APIs and services for user accounts, tokenized assets, and data pipelines. Designed a secure custodial cryptocurrency wallet system integrated with external key management, balancing user control and app-level automation. Launched and managed the tokenization of $5M+ in digital environmental assets as NFTs on the Hedera mainnet.

Led frontend development for Libre311, an open-source app enabling citizens to report city infrastructure issues. Used SvelteKit for modern UI implementation and designed intuitive workflows and layouts in Figma.

Developed Node.js backend services for an asset trading platform integrated with blockchain and IPFS. Implemented APIs and integrations for off-chain data synchronization and token operations. Supported event-based architecture and secure transaction workflows.

Built and deployed smart contracts on Ethereum to support NFT drops and sales automation. Worked on backend logic for token metadata management and blind minting features using IPFS. Implemented Merkle tree-based whitelisting to optimize gas efficiency during high-demand launches.

Built a network topology visualization tool using FastAPI, Neo4j, and custom Python services. Designed REST APIs and graph data models to support dynamic routing insights and queries.

Developed token creation and liquidity integration tools using EOS smart contracts. Integrated with Automated Market Maker protocols to enable dynamic pricing and token trading pairs.

Maintained embedded firmware for industrial power control systems written in C/C++. Designed control loop algorithms using MATLAB/Stateflow and implemented test automation in Python. Collaborated cross-functionally to meet hardware/software integration goals.

Developed embedded firmware for IoT lighting systems using ZigBee networking and C. Designed color control algorithms and contributed to end-to-end product debugging and delivery.