The Reference Check Question That Tells You More Than Any Interview

Reference checks are the most underused tool in recruiting. Most companies treat them as a formality, something you do after you’ve already decided to make the offer, to confirm what you already believe. The questions are generic. “Would you work with this person again?” “What are their strengths?” The answers are equally generic. Everyone gets a passing grade because nobody wants to be the reference who torpedoes someone’s career.

But when done well, reference checks surface information that no interview process can. The candidate controls the interview. They’ve rehearsed their answers, chosen their examples, and practiced their delivery. References, on the other hand, are unrehearsed. They’re speaking from memory, not from preparation. And when you ask the right questions, they’ll tell you things the candidate never would.

Here’s the question that keeps coming up among experienced recruiters, the one they return to more than any other.

“If I were going to manage this person, what handling tips would you give me?”

That’s it. Just a simple reframe that changes the entire dynamic of the conversation.

Why this question works

Most reference check questions are designed to produce a binary output. Good or bad. Hire or don’t hire. But hiring decisions are rarely binary. What you actually need to know is how someone works, what they need to succeed, and where the friction points are. “Handling tips” gets at all of this without putting the reference on the defensive.

When you ask “what are their weaknesses,” the reference hears “give me a reason not to hire this person.” They get protective. They hedge. They give you a non-answer like “they work too hard” or “they can be too detail-oriented.” Nobody learns anything from that exchange.

But “handling tips” frames the question as if the hire is already happening. The reference isn’t being asked to evaluate. They’re being asked to help, and people love to help. The shift from evaluator to advisor changes everything about what they’re willing to share.

A reference who would never say “this person has an ego problem” will happily say “they do their best work when they feel like their expertise is recognized. Make sure you acknowledge their contributions in front of the team.” That’s the same information, delivered constructively. And it tells you exactly what you’re working with.

Another reference might say something like “give them room to run and they’ll deliver incredible work, but if you micromanage them, they’ll shut down.” That’s a a critical insight for a hiring manager who tends to be hands-on. If your management style is high-touch check-ins and detailed feedback loops, that candidate might struggle in a way that has nothing to do with their skills.

What “handling tips” reveals that interviews don’t

Interviews test performance under a specific, artificial set of conditions. The candidate is alert, prepared, and motivated to present their best self. References give you the other 99% of working with someone.

Here are patterns that recruiters who use this question regularly say it surfaces.

Ego and recognition needs. “They want to be the go-to expert on the team. That can be great if you channel it, but it can create tension if they feel overlooked.” This is the kind of thing that never comes up in an interview but defines someone’s first six months.

Communication style under stress. “When things get tense, they go quiet. Don’t assume they’re disengaged. They just need time to process before they respond.” A hiring manager who reads silence as disengagement will mismanage this person from day one.

Collaboration patterns. “They’re incredible when they can own a project end to end, but they can be impatient in cross-functional settings where decisions move slowly.” That’s an essential piece of context if you’re hiring for a role that requires daily coordination with product and design.

Management needs. “They respond really well to direct feedback. Don’t sugarcoat things. They’d rather hear it straight and fix it than wonder where they stand.” Or the opposite, where the reference suggests a more gradual, relationship-first approach. Either way, you now know something the interview didn’t teach you.

How to make reference checks actually work

The “handling tips” question is the centerpiece, but the rest of the reference check matters too. Here’s what experienced recruiters recommend.

Call, don’t email. Email references are useless. People write careful, measured responses that tell you nothing. On a phone call, you hear tone, pauses, and enthusiasm (or the lack of it). The difference between “yeah, they’re great” said flatly and “oh, they’re fantastic, let me tell you about the time they…” is everything.

Talk to the right people. The candidate’s hand-picked references will be positive. That’s the point of picking them. The real signal comes from the people the candidate didn’t list. Former peers, skip-level managers, cross-functional collaborators. This is called back-channeling, and for senior hires especially, it’s where the most valuable intel lives.

Ask about specific situations. “Tell me about a time this person dealt with a project that was going sideways.” Specificity forces the reference to pull from actual memory rather than general impressions. The details they share, or the fact that they struggle to think of an example, both tell you something.

For sales hires, get to the numbers fast. Don’t let the reference narrate around compensation and performance. Ask directly whether the candidate hit quota in year one and year two. References will try to contextualize and qualify, which is fine, but get the number first. And pay attention to tenure patterns. Under two years at an enterprise sales role, repeated across multiple jobs, usually means the candidate ramps, has one bad year, and moves on before the full picture emerges.

The tenure signal for sales hires

This one deserves its own section because it’s a pattern that’s easy to miss and expensive to learn the hard way.

Enterprise sales cycles are long. A rep joining a new company typically spends six to nine months ramping, then has 12 to 18 months of productive selling before they’ve been there long enough for the results to tell a full story. If someone leaves at the 18-month mark and their resume shows this pattern across two or three roles, the story is almost always the same. They ramp well, hit or come close to quota in year one while the pipeline is fresh and the territory is new, then miss in year two when the easy wins are gone and the grind sets in.

References won’t volunteer this pattern. You have to ask about it directly, and you have to ask the right people. The candidate’s direct manager is the one who knows whether they were tracking to quota, and that’s the reference worth the most time.

When a reference check saves you from a bad hire

Across a large sample of reference checks (one recruiter shared data from 72 candidates), only three to four surfaced truly meaningful negative signals. That’s a low hit rate, which is part of why companies deprioritize references. But the cost of those three to four bad hires, if they’d gone through, would have been enormous. Each one represents months of onboarding wasted, team dynamics disrupted, and the full cost of rehiring.

The “handling tips” question doesn’t catch everything. But it catches the things that matter most for day-to-day working relationships, which is ultimately what determines whether a hire succeeds or fails. Technical skills can be assessed in an interview. Cultural fit can be loosely evaluated over a few conversations. But the texture of how someone operates under real conditions, when they’re tired, stressed, or in conflict, that’s what references are for.

Most hiring processes invest 80% of their effort in the interview stage and 5% in references. Flipping even a small portion of that investment toward better reference conversations would prevent more bad hires than adding another interview round ever could.

*Fonzi is a curated talent marketplace that connects vetted software engineers with startups and tech companies. Every candidate goes through screening before they’re ever matched to a role. If your company is hiring engineers, let’s talk.*