After probing a candidate's past, 'flip the table' and present them with a current, real-world problem your company faces. This reveals their curiosity, analytical skills, and ability to engage with a new challenge on the spot, shifting from their prepared stories to raw problem-solving.

The key trait for scaling a company is ownership. To screen for it, ask candidates about their mistakes. A-players will admit a genuine flaw, like having trust issues that lead to micromanagement. B-players will offer a veiled brag or fake weakness, which is a major red flag.

With LLMs making remote coding tests unreliable, the new standard is face-to-face interviews focused on practical problems. Instead of abstract algorithms, candidates are asked to fix failing tests or debug code, assessing their real-world problem-solving skills which are much harder to fake.

Instead of asking hypothetical questions, present senior candidates with a real, complex problem your business is currently facing. The worst case is free consulting; the best case is finding someone who can implement the solution they devise.

Ditch standard FANG interview questions. Instead, ask candidates to describe a messy but valuable project they shipped. The best candidates will tell an authentic, automatic story with personal anecdotes. Their fluency and detail reveal true experience, whereas hesitation or generic answers expose a lack of depth.

For high-level leadership roles, skip hypothetical case studies. Instead, present candidates with your company's actual, current problems. The worst-case scenario is free, high-quality consulting. The best case is finding someone who can not only devise a solution but also implement it, making the interview process far more valuable.

Ineffective interviews try to catch candidates failing. A better approach models a collaborative rally: see how they handle challenging questions and if they can return the ball effectively. The goal is to simulate real-world problem-solving, not just grill them under pressure.

Many candidates claim credit for their team's or company's success. A key interview trap to avoid is failing to distinguish who was a key contributor versus who was just 'on the team' when success happened. Diving deep into specific problems reveals who actually did the work.

Instead of a traditional interview, Parker Conrad sends candidates his investor materials beforehand. The first meeting is dedicated to their questions. He finds that the quality, depth, and skepticism of their questions is the best predictor of success, as it simulates the actual working relationship.