GeneralBackend
DeFi
Also written as Decentralized Finance
Financial products — lending, trading, exchanges — rebuilt to run on blockchains via smart contracts instead of banks or brokerages.
Think of it like
A bank where the vault's rules are public code anyone can inspect, instead of a rulebook the bank keeps to itself.
Junior or senior?
A genuinely high-stakes niche because bugs are directly exploitable for real money.
Senior sounds like
Talks about audits and economic edge cases, not just the trading UI.
Ask them
“What's the worst way this system could be exploited if the code had a bug, and how did you guard against it?”