Backend, payments, security or DevOps: which background transfers best into AI agent wallet and blockchain infrastructure roles?

I’m seeing more AI agents and blockchain roles now, especially around agent wallets, smart wallet infrastructure, crypto payment rails, stablecoin payments, autonomous onchain execution, and AI agents that can trigger transactions or interact with protocols.

The confusing part is that this lane does not feel like one fixed career path yet.

Some roles look like backend engineering. Some feel closer to payments infrastructure. Some clearly need security thinking because agents touching wallets, approvals, spending limits, smart contracts, and transaction safety can create real risk.

And some roles look more like DevOps or infra because the hard part may be monitoring, logs, deployment, automation, reliability, and incident response when an AI agent is connected to blockchain systems.

So for someone coming from traditional tech and trying to move into AI agent wallet infrastructure roles, agent payments engineering, autonomous onchain execution roles, AI x Web3 security roles, blockchain automation infrastructure roles, or proof-based hiring for AI agents and blockchain jobs, which background gives the strongest transferable signal?

Would hiring teams trust backend proof, payments proof, security proof, or DevOps proof more if the person can show GitHub work, architecture notes, payment-flow thinking, wallet-risk analysis, monitoring setup, smart contract interaction examples, or clear evidence that they understand how AI agents should safely operate with onchain systems?