AI Structured Interviews vs. Traditional Interviews in Technical Hiring

By 

Sam Darwish

CEO, Function AI

When we first started working on Right Hire, bias wasn’t the problem we were trying to solve.

The starting point was much simpler. I made a bad hiring decision. It came down to judgment, and in hindsight, it was clear how much bias shaped that decision. The candidate was strong on paper, communicated well, and built immediate rapport. I trusted my instinct, and I got it wrong.

At the time, I thought of that as an isolated mistake. But as we looked deeper into our hiring process, it became clear it wasn’t.

Bias Is Already Built into the Process

Bias shows up in more places than most teams realize. It shows up in how resumes are interpreted, in how interviews are conducted, and in how decisions get made under time pressure. It rarely feels like bias in the moment. It feels like experience or instinct.

Most of the attention today is on AI, and that concern is valid. But what gets less attention is how much inconsistency already exists in the human process.

Unstructured interviews are a good example. They’re still the default in most teams, but they introduce a high degree of variability. Different candidates get different questions, evaluation criteria shifts, and decisions end up influenced by how someone presents just as much as what they actually know.

We saw that firsthand. Once we started comparing how candidates were being evaluated across interviewers, it became clear how inconsistent the process was, even with experienced teams and good intent.

What Changed When We Introduced Structure


We didn’t fully understand the impact until we had this implemented and running inside The Functionary long enough to track results. What started as a way to bring more consistency into early-stage evaluation ended up changing how our teams operated day to day.

From my perspective, the impact falls into three areas:

  • Productivity Gains - We saw roughly a 70% reduction in time spent scheduling and conducting early-stage interviews. Recruiters are no longer managing coordination overhead, and hiring managers are no longer pulled into interviews just to confirm baseline capability. That time is now spent evaluating candidates who are already qualified.  
  • Customer Outcomes - The quality of candidates reaching final stages improved materially. Hire rates increased from roughly 10% to 50%, and conversion rates more than doubled from 18% to 40%. Customers are seeing better-aligned hires from the start, with fewer resets and less rework after placement.  
  • Consistency and Control - We now need fewer candidates to make a hire, with top-of-funnel requirements dropping from 40+ candidates to closer to 25. More importantly, we have a clearer understanding of why candidates move forward. Decisions are based on consistent inputs rather than individual interpretation, which makes the process easier to manage across teams and regions.  

The metrics matter, but the bigger shift is that the process is more predictable. We’re making decisions earlier, with better information, and that changes everything downstream.

What This Means Going Forward

 
I still think about that original hiring decision more than I’d like to. Those situations don’t go away. Every hiring process will have some level of bias, and there will always be moments where judgment plays a role. That’s part of the job.

What changed is how much that bias can influence the outcome. At The Functionary, we’re now making decisions after candidates have been evaluated against a consistent baseline, not just how they present or how they look on paper. That shifts the conversation internally and improves the consistency of the outcomes we’re seeing across teams.

For me, the takeaway wasn’t to remove human judgment. It was to put structure in front of it so those decisions are made with clearer context. Right Hire enabled that, but the bigger point is the approach. When you introduce a consistent way to evaluate candidates early, you’re not eliminating bias, you’re limiting how much it can shape the decision.

You still have to make the call and weigh tradeoffs, but you’re doing it with better information. That makes it a very different decision than the one I made before.

Table of contents