Common Resume Mistakes That Get You Rejected

I review resumes every week. Software engineers, mostly. Junior to staff level.

The pattern is always the same.

They write what everyone writes. Generic language. “Specializing in Android native development using Kotlin and Java to deliver innovative, customer-focused solutions.”

I stop them right there. What else would an Android developer do? You just described your job title back to the company.

Here’s what actually happens. 75% of qualified candidates get filtered out before a human sees their resume. But it’s not because ATS systems are automatically rejecting you.

ATS ranks you. Humans reject you.

People think it’s a pass/fail filter. It’s not. The algorithm parses your resume for keywords and ranks you against other candidates. Then a recruiter, usually not a technical person, spends about 6 to 7 seconds scanning what made it through.

That’s your real problem.

The Generic Language Trap

When I see “customer-focused solutions” or “innovative approaches,” I know this resume is dead on arrival.

The fix is simple but most people miss it. Read the job description. Actually read it.

Many openings tell you which team you’re joining. If it’s payments, write about what you’ve done in payments. If it’s infrastructure, show your infrastructure work.

Make it relevant to the job opening. Not just generic words.

The Information Overload Problem

Then there’s the opposite mistake. I see summaries like this:

“A techno-functional visionary leader with 6+ years of experience in agile project management, product ownership, software testing, analysis, and salesforce consulting with a proven track record in managing product development from idea to delivery and leading cross-functional teams across CRM, FinTech, healthcare, and e-commerce domains.”

This might pass the ATS. But it fails the recruiter skim.

It’s a wall of buzzwords. The recruiter sees nothing. They move on.

Where Keywords Actually Live

Here’s what most people get wrong about ATS optimization.

They think keywords need to be crammed in the header. In a skills section. Under a heading labeled “Core Competencies.”

The ATS parses your entire resume. It doesn’t care about headings. Headings are for humans.

Keywords work when they’re sprinkled throughout your experience. In context. Where they make sense to both the algorithm and the person reading after.

You need balance. Help the recruiter understand what you’re saying while including the keywords ATS wants to see.

The One-Page Illusion

People try to be smart. They shrink the font. Use two columns. Cram everything into one page.

The point of one page isn’t to actually fit everything on one page.

It’s to keep only relevant information. Information that makes someone think, “Hell yeah, this is the candidate I want.”

If your resume looks like a research paper, you’re missing the point.

Write only the points that convey that “hell yeah” feeling. Everything else is noise.

The Dual Audience Reality

Every resume I review faces the same challenge. You’re writing for two audiences.

The algorithm needs keywords distributed naturally throughout your experience. The human needs clarity and relevance in the first 7 seconds.

Most resumes optimize for neither. They’re generic enough to fail both tests.

The ones that work? They’re tailored. Specific. They answer the question the job description is asking.

That’s the difference between ranked at the bottom and getting the call.

Stop Guessing, Start Tailoring

Your resume isn’t failing because you lack skills.

It’s failing because it reads like everyone else’s.

Generic language kills your chances with both the algorithm and the human. Information overload does the same. Fancy formatting that breaks ATS parsing does the same.

The fix is straightforward. Read the job description. Understand what they’re building. Connect your experience to their specific needs.

Make every line pass the “hell yeah” test.

If you need help creating a resume that does all of this, Resumelala can help. It researches the company, goes through the job description carefully, and optimizes your summary and experience so it passes the ATS and impresses the recruiter.


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