I've reviewed over 300 junior developer applications. The candidates with 10 certificates and no live projects almost never get called. The ones with 3 deployed projects and clear explanations of what they built almost always do. Here's why that is — and what to do about it.
What Hiring Managers Actually Look At
Let me describe the average experience of a hiring manager reviewing junior developer applications in 2026. They have 150 applications. They have 3 hours. That's 72 seconds per application on average.
In those 72 seconds, they're asking one question: can this person actually build things? Not "have they studied?" or "do they have credentials?" Can they build things. A list of Udemy certificates answers that question with almost zero signal. A live URL with a deployed project answers it immediately and definitively.
The Problem With Certificates
Certificates have a signal problem: there are too many of them, they're too easy to obtain, and they don't differentiate between someone who deeply understood the material and someone who guessed their way through multiple-choice quizzes.
- Anyone can get them — Often just by paying and watching videos. The bar for most online certificates is low.
- They prove completion, not understanding — Finishing a 40-hour React course doesn't prove you can build a React application. It proves you can watch videos about React.
- They expire in relevance — A 2022 AWS certificate is already partially outdated. Technology moves faster than certification programs.
- They're not verifiable in meaningful ways — Hiring managers can't check if you actually understood the material, only that you completed it.
What Projects Actually Prove
A well-presented project proves a stack of things that no certificate can. Let's walk through what I read when I look at a deployed project in a portfolio:
- You can set up a development environment — Sounds trivial. It's not. Many beginners struggle with this for weeks.
- You can break a problem into components — Architecture decisions, even basic ones, reveal how you think.
- You can use version control — A GitHub repo with meaningful commits shows professional workflow.
- You can debug — Nothing gets deployed without debugging. A working project proves you worked through the hard parts.
- You can deliver — You finished something. This is rarer than you think and more valuable than any certificate.
- You can deploy — The production environment is its own skill set. A live URL proves you handled it.
Certificates can prove theoretical knowledge of some of these things. Projects prove all of them, simultaneously, with no ambiguity.
Where Certificates Do Add Value
This isn't a certificate hate piece. Some certificates matter — but in specific circumstances:
| Certificate Type | When It Matters | When It Doesn't |
|---|---|---|
| AWS / Cloud certifications | DevOps, cloud engineering, infrastructure roles | Frontend developer roles |
| Google / Meta ML certs | Data science and ML specific roles | General web dev roles |
| CS degree equivalents | Enterprise companies with strict HR filters | Startups and agencies |
| Cybersecurity certs (CompTIA) | Security-specific roles absolutely | Mainstream software engineering |
| General online course certs | Rarely. Almost never affects decisions | Most junior dev applications |
The pattern: industry-specific, vendor-specific, or role-specific certifications from recognised bodies do matter in the right context. Generic "I completed a Udemy course" certificates almost never do.
The Hybrid Approach
The best approach isn't "only build projects" or "collect all the certificates." It's a clear prioritisation:
Use courses to learn, not to certificate-collect
Courses are great learning tools. Take them. But don't put every course completion on your CV. Take the knowledge, discard the credential.
Build a project from every major topic you learn
Just finished the JavaScript section of a course? Build something with it before moving on. The project, not the certificate, is your evidence.
Pursue one high-signal certificate in your specific track
One relevant, well-recognised certificate (AWS, Google, CompTIA, etc.) adds credibility. Ten generic ones add clutter.
Let projects fill your portfolio, not your resume skills section
The skills section of a resume is noise. The projects section — with live links — is signal. Invest accordingly.
Why Your Portfolio Beats Your Resume
Most hiring decisions are made before the resume is even read in full. A recruiter's first click is usually to your GitHub or portfolio link. That portfolio page — or the GitHub profile it links to — is doing more work than every line of your resume combined.
A strong portfolio page includes:
- A brief, human-readable introduction (who you are, what you build)
- 3–4 featured projects with live links and short descriptions
- Clear tech stack for each project
- A link to your GitHub (with a decent contribution history)
- Contact information
Practical Advice for 2026
Based on current hiring patterns across the industry:
- If you have no projects, stop studying and start building. Anything. Right now. Imperfect and live beats perfect and unbuilt.
- If you have projects but no certificates, you're probably fine for most roles. One relevant, respected certification won't hurt though.
- If you have certificates but no projects, you're in the harder position. Recruiters are actively deprioritising this profile. Build immediately.
- For your resume, list your projects before your courses. Projects above education. Every time.
- For LinkedIn, add your projects to the Featured section. These show up prominently when recruiters look at your profile.
Key Takeaways
Projects vs Certificates — The Summary
- Hiring managers spend ~72 seconds on initial review and are primarily asking "can they build things?"
- Projects prove setup, debugging, delivery, and deployment — certificates prove completion
- Generic online course certificates rarely influence junior developer hiring decisions
- Industry-specific certs (AWS, CompTIA, Google) do matter for specific role types
- The hybrid approach: learn from courses, build a project from every topic, pursue one high-signal cert
- Your portfolio page does more work than your resume — invest in it accordingly
- One-sentence rule: no project means the certificate doesn't belong on your profile