4 levels of UI/UX design (and BIG mistakes to avoid)
Career Progression Mistakes in App and Web Design
Learn the common, career-level specific design mistakes—from beginner to senior—and implement targeted fixes based on a real client project redesign.
Short Summary
- Identify six critical failure points common to beginner designers (e.g., typography, color overuse).
- Track improvement through junior and mid-level stages, recognizing where initial fixes partially solve problems.
- Understand how senior designers achieve high-value results through deliberate minimalism and communication efficiency.
- Discover the "hidden mistake" many seniors make: neglecting interactive experience design in the age of AI.
This document outlines a design skill progression by analyzing a single client screen redesigned across four career levels: unpaid beginner, junior, mid-level, and senior. Follow the explicit fixes provided for each stage to rapidly advance your design competency and project value.
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Top Comments (10)
Even the senior's design has mistakes. That data visualization does not make any sense to me without any numbers or axes.
As a senior designer you should consider to apply accessibility rules. Your final design not complies with AA standards about contrasts.
Kind of need to know what this app is to evaluate some of this design. What are votes for? What are tokens for? What is UMA? What is that huge number for and why should the person using the app care? What is that graph even for? There’s no numbers or info on it? It’s like it’s there just to fill up space. Very weird. We need more info, otherwise even the senior level doesn’t make sense to me and is a fail. The design should follow the function, but I have no idea what the function of this app is by looking at it.
I feel like Senior is the only acceptable design and I’m only 3 years in. Those are basic principles and there is no way that should take you 7 years to achieve unless you are literally just learning from trial and error rather than mentors and books. Dead on about the motion stuff btw! Edit: sorry guys here are some awesome foundational books… - Design of everyday things by Don Norman (AKA the dude who created UX) - Don’t make me think by Steve Krug - universal principles of design by William Lidwell - The User Experience Team of One by Leah Buley
There's no way that final 'senior' version is passing accessibility guidelines or even basic contrast standards.
if you're going to do this make sure the 'senior designer' example actually is good (its not)
As a UX/UI Designer, I rate your understanding of these things as a solid 6/10
Thank God I've already avoided these mistakes with just over 4 months of experience.
Damn, the senior looks worse than the junior.
Being a Sr. Product Designer I can say, the Mid-level you have mentioned is basically the skillset of a Junior Ui/Ux designer nowadays.. and a Sr. usually works on the journey more of a cleaning visuals.
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Top Comments (10)
Even the senior's design has mistakes. That data visualization does not make any sense to me without any numbers or axes.
As a senior designer you should consider to apply accessibility rules. Your final design not complies with AA standards about contrasts.
Kind of need to know what this app is to evaluate some of this design. What are votes for? What are tokens for? What is UMA? What is that huge number for and why should the person using the app care? What is that graph even for? There’s no numbers or info on it? It’s like it’s there just to fill up space. Very weird. We need more info, otherwise even the senior level doesn’t make sense to me and is a fail. The design should follow the function, but I have no idea what the function of this app is by looking at it.
I feel like Senior is the only acceptable design and I’m only 3 years in. Those are basic principles and there is no way that should take you 7 years to achieve unless you are literally just learning from trial and error rather than mentors and books. Dead on about the motion stuff btw! Edit: sorry guys here are some awesome foundational books… - Design of everyday things by Don Norman (AKA the dude who created UX) - Don’t make me think by Steve Krug - universal principles of design by William Lidwell - The User Experience Team of One by Leah Buley
There's no way that final 'senior' version is passing accessibility guidelines or even basic contrast standards.
if you're going to do this make sure the 'senior designer' example actually is good (its not)
As a UX/UI Designer, I rate your understanding of these things as a solid 6/10
Thank God I've already avoided these mistakes with just over 4 months of experience.
Damn, the senior looks worse than the junior.
Being a Sr. Product Designer I can say, the Mid-level you have mentioned is basically the skillset of a Junior Ui/Ux designer nowadays.. and a Sr. usually works on the journey more of a cleaning visuals.