Yes, you can hire fintech developers who have worked with blockchain and DeFi through platforms like Trio, which filters specifically for candidates with backgrounds in smart contract development, DeFi protocol integrations, and wallet infrastructure, rather than generalist profiles.
When reviewing candidates, focus on what they have actually built. Relevant experience might include writing or auditing smart contracts in Solidity or Rust, integrating with protocols like Aave or Uniswap, or working on tokenization projects. Asking a candidate to walk through a project from architecture to deployment tends to reveal quickly whether the experience is genuine.
DeFi development carries specific risk surfaces worth probing directly. Reentrancy vulnerabilities, oracle manipulation, and gas optimization all require real production exposure to handle confidently. A developer who can speak to how they encountered and addressed those issues carries meaningfully different value than one who can only describe the concepts in general terms.