Ask about team processes. Talk to them about how they approach code review and testing their code. If their resume includes overlap with your tech stack, ask i

Ask about team processes. Talk to them about how they approach code review and testing their code. If their resume includes overlap with your tech stack, ask if they understand why you would choose the tech you use, like "We use Y as a caching layer. What advantages does that give us over using Z instead". If they can't answer that's fine, but it helps you get an idea of their abilities. In the JavaScript world I like to ask if candidates can explain what benefits there are to using TypeScript. Yes it adds strong typing, but what does that get you. I definitely have a bias towards devs who can demonstrate that they have thought about the tools they use and why they use them. I also think it demonstrates that people have actually used the tools, without making them implement stuff from memory.