Harsh Singh
Full-Stack Engineer | Next.js, Node.js, Web3 Integrations
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Built an open-source CLI and developer library that enables seamless migration of files from AWS S3 to Storacha decentralized storage. The tool supports streaming uploads, progress tracking, and efficient handling of large datasets, simplifying the transition from traditional cloud storage to decentralized infrastructure.
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Built a gamified fitness platform that rewards users with blockchain-based tokens for completing fitness challenges. Integrated smart contracts for escrow and rewards distribution while building a full-stack application with wallet connectivity and AI-driven challenge generation.
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FlowSend is an AI-powered cross-border remittance platform built on Base that enables fast and secure stablecoin transfers. The system integrates intelligent monitoring agents to detect suspicious transaction patterns and prevent financial abuse. It also includes safeguards against double-spend, replay, and routing manipulation attacks, improving the reliability of blockchain-based payments.
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A developer SDK enabling applications to interact with Storacha decentralized storage from Solana and Filecoin ecosystems.
Key work:
Implemented storage upload functionality
Integrated Filecoin network support
improved RPC interactions and developer tooling
Why it’s strong:
Shows protocol-level development
Demonstrates SDK design and blockchain integration
Indicates ability to build developer infrastructure
Tech stack:
TypeScript, Solana, Filecoin APIs, RPC integrations.
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