The assumption behind most seasonal job adverts is that vagueness widens the pool. Leave the dates open, describe the pay as competitive, say hours are flexible, and more people will apply because fewer people rule themselves out. The opposite happens, and it happens fastest in the weeks when everyone is hiring at once. A person scrolling a job board in the second week of November is reading six adverts for roughly the same work. Yours does not have to be the best job. It has to be the one that answers the question they are actually asking, which is whether this role fits around the rest of their life for the next eleven weeks.
If you have already posted the loose version and the applications are thin or wrong, that is fixable in an afternoon. Most of this piece is about what to change and in what order.
The assumption: a short season means applicants are less picky
There is a logic to it. A temporary job is a smaller commitment, so surely people apply on less information and sort out the details later. Some do. The trouble is which ones.
Applicants who answer a vague seasonal advert tend to be the people with the fewest constraints and the least to lose from a wasted week: no second job, no fixed childcare, no course schedule. That is a legitimate group and you will hire from it. But the seasonal worker you probably want, the one who did this last year somewhere else and is quick from day two, has constraints. They already have a Tuesday and Thursday obligation. They already have a job ending on a known date. They are not going to spend a message thread finding out whether your shifts collide with it. They will read the next advert, which says Thursday and Friday nights, 4pm to close, through January 6, and answer that one.
So the vague advert does not widen the pool. It re-sorts it, quietly, toward the applicants with the least going on. Nobody tells you this happened. You just see the pile you got and assume it is the pile that exists.
What the applicant checks, and the order they check it
Watch someone read a seasonal posting and the sequence is consistent. They are not reading top to bottom. They are hunting for four facts, and if any of the four is missing they treat the advert as unfinished.
- When it starts and when it ends. Not "seasonal" or "temporary." A start week and an end week. Seasonal applicants are usually stacking this against something else, and the end date is half of what they are deciding.
- Which hours, on which days. "Flexible" reads as "we will tell you Sunday night what you are doing Monday." If the schedule genuinely varies, say what the variation is: three shifts a week from a posted rotation, published ten days out.
- The pay, as a number or a range with a reason. A range with an explanation of what moves someone from the bottom to the top of it reads as honest. A range with no explanation reads as the bottom number.
- What happens at the end. Does the season end and that is that, or do some people get kept on? Both answers are fine. Only one of them is a surprise later.
Everything else in the advert, the company description, the values paragraph, the list of adjectives about the team, is read after those four or not at all. That is not cynicism on the applicant's part. It is triage. They have twenty minutes and nine tabs open.
What the season actually changes
Peak hiring seasons change two things about honest filtering, and neither is the thing employers usually worry about.
The first is speed of comparison. In a slow month your advert is read on its own. In late October, or in the spring rush before summer, it is read in a batch. Any fact you omitted is visible as an omission because the advert above yours supplied it. Silence about pay stands out more when the neighboring posting is specific. This is why the blunt seasonal advert often outperforms the polished one during a rush.
The second is that seasonal work carries genuine variables the applicant knows about and expects you to address. Overtime during peak weeks. Whether the last two weeks of December are mandatory. Whether hours drop off in the final fortnight before the end date. The Department of Labor sets the wage and hour rules that govern how those peak weeks get paid, and applicants with a season or two behind them already know roughly how it works. Writing "expect 45 to 50 hours in the two weeks before Christmas, paid at overtime past 40" does not scare off the people you want. It recruits them. It scares off the person who was going to quit on December 18, which is the entire point of an advert that filters.
If the posting is already live and the applications are wrong
You do not need to take it down and start again. Work in this order.
- Add the four facts to the top. Dates, days and hours, pay, what happens at the end. Above the company paragraph, not below it. If the platform lets you edit in place, edit in place; most treat it as the same posting and you keep whatever traction it has.
- Cut one adjective for every fact you add. "Fast-paced," "self-starter," "wear many hats" and "must thrive under pressure" are doing no filtering work. Applicants read them as decoration at best and as a warning at worst.
- Reply to the people already in the pile with the specifics. Not a rejection. A short message with the dates, the shift pattern and the pay, and a question: does this work for you? You will lose some. The ones who confirm are worth more than the ones who never had to.
- Repost as a separate listing only if the first one is buried. During a rush, listings sink fast. A fresh posting with the specifics up front will usually outrun an edited old one, and there is no penalty for having both live briefly.
The recovery step people skip is the third one. It feels like admitting the advert was incomplete. It is, and saying so costs nothing: "I should have put the schedule in the posting. Here it is." Applicants read that as a company that communicates, which during a hiring rush is a real differentiator and a cheap one.
The test to run before you post the next one
Read your advert as a person who already has a job, a class, or a kid to collect at 3:30. Not as the hiring manager who knows the answers. Can that person tell, without asking anyone, whether this role fits into their week? If yes, the advert filters. If they would have to message you to find out, most of them will not, and you will never know they were there.
Write the version that tells someone honestly not to apply. It is the same document as the version that gets the right person to answer within the hour.