A recruiter spends about seven seconds on your CV before deciding to keep reading. In those seconds, "responsible for managing client accounts" tells them nothing. "Grew a portfolio of 40 client accounts and cut churn from 18% to 11%" tells them a lot. The difference is numbers.

Most people know they should quantify. The problem is they don't think their job produced any numbers worth showing. It almost always did.

Why a number beats a duty

A duty describes what you were assigned. A metric describes what happened because you were there. Recruiters and hiring managers read hundreds of CVs that all list the same duties, so duties blur together. A number sticks because it implies scale, impact, or improvement that the reader can compare against other candidates.

There's a second reason that matters more than people realize. A number is a claim you're willing to be questioned on. When you write "reduced onboarding time by 30%", you're signaling you can defend that figure in an interview. That confidence reads through the page.

The three numbers hiding in almost any job

If you think your role had no metrics, look for these three.

Volume. How much, how many, how often. Tickets closed per week, customers served per shift, articles published per month, invoices processed. Volume is the easiest number to recover because it's usually just your normal workload counted.

Change. Anything that went up or down while you owned it. Faster, cheaper, higher, lower. Response time, error rate, revenue, satisfaction scores, repeat bookings. Even a rough before-and-after is stronger than no number.

Scale. The size of what you handled. Budget managed, team size, geographic coverage, number of stakeholders, size of the codebase or the database. Scale tells the reader the weight you carried, even when you can't show an improvement.

You usually don't need all three on one bullet. One well-chosen number per achievement is plenty.

How to recover numbers you didn't track

The honest objection is: I never measured any of this. Fair. You can still reconstruct a defensible figure.

Start with what you remember in plain terms, then put a boundary on it. If you handled "a lot" of support tickets, ask how many in a normal day, multiply by working days, and you have a monthly figure. If a project "saved time", estimate the hours it used to take versus now and convert to a percentage or a week's worth of work.

Use a range or an "approximately" when you're estimating. "~15 hours saved per week" is honest and still concrete. Recruiters don't expect audited accounting; they expect you to know your own work well enough to size it.

If you can't put any number on an achievement after trying all three angles, it might not be an achievement. It might be a duty. Move it down the page.

Writing the bullet so the number lands

The structure that works: action verb, the thing you did, then the result with its number. Lead with the verb, end on the impact.

Weak: "Worked on improving the email campaign performance."

Stronger: "Rebuilt the abandoned-cart email flow, lifting open rates from 22% to 34% over two quarters."

Notice the stronger version names the specific thing (abandoned-cart flow), the direction (lifting), and the timeframe (two quarters). The timeframe matters. "Increased sales 200%" with no period sounds inflated; "increased sales 200% in the first year" sounds real.

If you want a refresher on the verbs that carry a bullet, that's worth its own pass once your numbers are in place.

A quick before-and-after

Here's a customer-support line most people would write:

• Handled customer inquiries and resolved complaints.

And the quantified version:

• Resolved ~60 customer inquiries per day with a 94% first-contact resolution rate, the highest on a team of nine.

Same job. The second one gives a hiring manager three things to ask about and a reason to.

When you pull a CV together from a LinkedIn profile, the raw history is all there but the numbers usually aren't. Tools like Postulit can structure the experience, but the metrics have to come from you, because only you know what actually moved.

Go through your CV one bullet at a time. For each, ask: volume, change, or scale? Add the one that fits. You'll find most bullets can carry a number once you go looking for it.