At Intercom, they use hiring scorecards help you define success criteria for each of their open positions. They reduce possible biases and help the hiring team focus on the main skills they're looking for in candidates.
For each success criteria defined above, think of 3-4 questions that will give an idea of their level of expertise. Get inspired by this template and adapt it to your next job openings. Make a template for each job post and duplicate it for each candidate you interview.