How to check your resume against a job description and see what is missing
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A good way to find the gaps between your resume and a specific job description is a manual check against the posting, followed by a second reader before you submit. Jack gives you feedback on your application before you submit, so you see what to fix, in your own words.
Why one resume rarely fits every posting
A common habit is to write a resume once and send the same document to every opening. The job description asks for something more specific. It names the exact skills, the level of ownership and the context the hiring team cares about, and it expects to see evidence of those things on page one.
The gap is often a missing sentence rather than a missing skill. You have done the work, but the resume describes it in different words than the posting uses, or buries the relevant result in the middle of a bullet. A review against the specific job description catches that before anyone else reads it.
What a good check covers
- A job description names the skills, evidence and seniority signals the hiring team wants, and your resume should answer each one in the posting's own words.
- A useful review goes beyond keyword matching. It checks named requirements, evidence with results, seniority signals and writing that sounds machine generated.
- You can run the check manually for each application that matters.
Why a second reader helps
A manual comparison works, and it is worth doing for every application that matters. It is also slow, easy to do carelessly at the end of an application session, and blind to its own blind spots. You wrote the resume, so you read what you meant rather than what it says.
When you have an application you are about to send, Jack gives you feedback on it before you submit. SuperApply tells you what to fix and flags AI tells, and everything stays in your own words. The last step is yours, and you press Submit. He is free for candidates.
Manual check or feedback
Before you pick how to run this check, weigh four things.
- Effort. A manual check takes time for every application and gets faster with practice. Feedback from Jack arrives without that time cost.
- Blind spots. You wrote the resume, so a second reader catches what you skim past.
- Ownership. Jack never applies for you, everything stays in your own words, and you stay the applicant and the author.
- Fit. If you want fewer, better applications rather than more of them, that is the search Jack is built for.
Questions about checking a resume against a posting
Should I rewrite my resume for every job description?
For roles you care about, yes, at least lightly. The requirements differ between postings, so a single version can miss something one of them asks for. The check gets faster once you have done it a few times.
Does matching keywords in the posting actually matter?
It matters because the words are the hiring team's own vocabulary, and a resume that speaks it is easier to read quickly. Do not stuff keywords in without evidence behind them. Name the requirement where you can back it, and leave it out where you cannot.
What are AI tells in a resume?
They are writing patterns that sound machine generated, such as buzzword stacks, identical sentence rhythms and phrases nobody would say aloud. SuperApply flags them in your application so you can rewrite them in your own words before you send it.
How do I know which requirements matter most?
Look at what the posting repeats, what appears in the title and the first lines, and what the day to day responsibilities describe. Answer those first, in the posting's own words, wherever you can back them up.
Close the gap before you send
The gap between a resume and a job description is findable, and closing it before you hit send is time well spent. Run the manual check yourself, and bring a second reader, or Jack's feedback, to the application you are least sure about. For the wider search, see our guide to finding a job in 2026.