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  1. Home›
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  4. Your Portfolio Needs Real Business Logic, Not Another Todo App
Builders & Makers Thursday, 14 May 2026

Your Portfolio Needs Real Business Logic, Not Another Todo App

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Your Portfolio Needs Real Business Logic, Not Another Todo App

A developer with six years' freelance experience posted something blunt this week: nobody hires based on todo apps. Weather clones don't get you work. Calculator UIs don't demonstrate value. If your portfolio is full of tutorial projects, you're signalling that you haven't solved a real problem yet.

The portfolios that get hired show business logic. Exam platforms with anti-cheating systems. Learning management tools with live session handling. Ecommerce with client-friendly CMS integration. The difference isn't technical complexity - it's applied thinking.

What Hiring Managers Actually Look For

According to the post, the gap between junior and mid-level developers isn't years of experience - it's evidence of solving real constraints. Can you handle user authentication properly? Can you structure a database for a multi-tenant system? Can you build an admin panel that a non-technical client can use?

Tutorial projects don't answer these questions. They show you can follow instructions. Real projects show you can apply instructions to messy, ambiguous problems.

The difference is constraint. A todo app has one user, no permissions system, no edge cases. An exam platform has roles (student, teacher, admin), time limits, submission handling, cheating prevention, grade calculations, and notification systems. That's business logic.

The Projects That Actually Work

The post breaks down what a portfolio should include:

Exam platforms - timed tests, question banks, automated grading, anti-cheating (tab switching detection, camera monitoring), result dashboards. This shows you understand state management, real-time features, and security.

Learning management systems - course creation, live sessions with video integration, progress tracking, assignments, certificates. This shows you can integrate third-party services and handle scheduled events.

Ecommerce with CMS - product management for non-technical users, inventory tracking, order processing, payment integration. This shows you understand admin UX and business workflows.

None of these are technically harder than a todo app. They're just wider. More roles. More states. More edge cases. That's what clients pay for - handling the messy bits they haven't thought of yet.

Technical SEO as a Differentiator

One detail stood out: technical SEO. Most developers ignore it. But businesses care deeply about discoverability. A portfolio project with proper meta tags, structured data, sitemap generation, and performance optimisation signals that you understand deployment, not just development.

SEO isn't a nice-to-have. It's proof you're thinking about how real users will find and use the thing you built. That's a business mindset, not a tutorial mindset.

Why Tutorial Projects Hurt You

Tutorial projects signal something unintentional: you haven't built anything on your own yet. Following a guide is valuable for learning. But a portfolio full of guided projects says "I need instructions for everything."

Hiring managers want to see applied judgment. When the tutorial doesn't cover a feature, can you figure it out? When a client asks for something off-script, can you adapt? Tutorial projects don't answer that. Custom projects do.

The fix isn't to avoid tutorials - it's to extend them. Take the todo app and add user accounts. Add categories. Add sharing. Add recurring tasks. Add notification preferences. Now it's not a tutorial project - it's your project that happened to start with a tutorial.

What This Means for New Developers

If you're building a portfolio right now, ask yourself: would a business pay for this? Not because it's impressive technically, but because it solves a problem they have.

Pick a domain you understand - education, fitness, event planning, small business operations. Build the tool that domain actually needs. An event planner doesn't need a generic calendar app. They need ticketing, attendee management, vendor coordination, and schedule conflict detection.

The technical skills are the same. The application is what changes. And application is what gets you hired.

The Portfolio as Proof

Your portfolio isn't a resume. It's proof you can do the work. A resume says "I know React." A portfolio says "I built a booking system with React, and here's how I handled double-bookings, cancellations, and timezone conflicts."

One is a claim. The other is evidence.

The post's core argument is simple: stop building projects that demonstrate syntax and start building projects that demonstrate thinking. How you handle edge cases. How you structure permissions. How you make something usable for someone who isn't technical.

That's what businesses pay for. Not code - solved problems. Your portfolio should be a catalogue of solved problems, not a showcase of technologies you've dabbled in.

If your current portfolio is full of tutorial projects, you don't need to start over. You need to extend what you have until it resembles something a business would use. Add roles. Add complexity. Add the messy bits. That's where the learning happens - and that's what hiring managers want to see.

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Richard Bland
Richard Bland
Founder, Marbl Codes

27+ years in software development, curating the tech news that matters.

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