Ari Amanatidis Avatar

Hi, I'm Ari Amanatidis, a UX designer crafting intuitive, user-centered experiences across mobile and web platforms.

Scroll down for some of my latest work,
or jump to my CreditWise/Capital One, Tablet Hotels, or Charity walking app case studies.

Tablet app screenshots

CreditWise and Capital One

UX/UI Design Lead - April 2024 to April 2025

At Capital One, I helped design and launch Simulator and Credit Goals, two main features for the CreditWise app, along with several credit line management products for their main banking app. I worked closely with technology, product, and business teams to uncover customer and business needs, then translated those insights into intuitive, engaging design solutions. My role involved applying human-centered design methods, discovery, research, ideation, and user testing, to advocate for users and enhance the product experience. I also supported design led workshops to build cross functional alignment and proactively recommended product improvements grounded in research and UX best practices.

View case study
Tablet app screenshots

Mastercard

Product Experience Designer - Sep 2020 to March 2023

At Mastercard, I created high fidelity interactive demos for the North American Click to Pay team. The demos communicated vision and functionality to both executive leadership and external clients. They also played a key role in aligning stakeholders and guiding product development.

I created production-ready designs that were successfully implemented, collaborating closely with cross-functional teams while navigating constraints around branding, security, and technical limitations. I also supported usability testing and concept validation to ensure the final solutions were intuitive, accessible, and aligned with user needs.

Portfolio work available upon request.

Tablet app screenshots

YA$T

Designer, Developer, Creator - Released 2020

When SwiftUI was announced, I wanted to dive in and learn it hands-on. What better way to do that than by building something real? That’s how YA$T (Yet Another Spending Tracker) was born—a simple, intuitive app focused on quick expense entry, customizable categories, and helpful visual insights through graphs.

It’s available on the App Store if you’d like to see some of my UX and design sensibilities in action. Keep in mind, some of those sensibilities were limited by my coding skills.

Tablet app screenshots

Tablet Hotels

Principle UX Designer - March 2014 to Jan 2016

As Principal UX Designer at Tablet Hotels , I was responsible for the user experience across all digital platforms.

I led the design of their first mobile app, which was featured as an App of the Day on the App Store, and guided the transformation of their legacy website into a modern, responsive experience. My work focused on solving key usability issues while aligning with the brand’s premium positioning.

View case study

WeatherTunes

Designer, Developer, Creator - Released 2018

WeatherTunes is an app I dreamed up, designed, and built using Swift and Xcode. Along the way, I dove deep into the nuances of creating custom UI for iOS, sweating every pixel and obsessing over the small details. I used motion and animation affordances throughout the app, not just for aesthetics, but to orient the user and add moments of delight.

Visit WeatherTunes
Apollo app screenshots

Walking for Charity

UX, UI & Prototyping @ Ad Theorent - Summer 2018

AdTheorent is a digital advertising company that specializes in data-driven solutions for marketers. I partnered with their team to design and launch a side project: a mobile app for iOS and Android that encouraged walking by donating to a user’s charity of choice based on their steps. This initiative combined fitness tracking with social impact, and I helped bring the concept to life through thoughtful UX design and cross-platform execution.

View case study
Magpie app screenshots

GPS Tracking

UX, UI & Prototyping @ Magpie - Spring 2017

Magpie was an incubator startup from Human Ventures that raised $262K on Kickstarter to build a global GPS tracker. Brought on as a UX consultant, I designed all of Magpie’s digital touchpoints, including the mobile app, a consumer-facing website, and a web-based admin portal that allowed businesses to manage and track multiple GPS devices. My work focused on creating a cohesive, intuitive experience across platforms.

Archive

Pre 2015


View some of my previous work built with a fancy parallax scrolling navigation system.

View previous work

About


Clean visual design, rapid prototyping, and just the right touch of motion, always with simplicity at the core. From product strategy to mentorship, I enjoy every part of the design process and love building experiences that work.

Hi, I’m Ari, a UX designer based in Manhattan, NY. I’ve worked with startups like LimeWire, Tablet Hotels, and Eons, and have consulted for major brands including Mastercard, Capital One, Kraft, Victoria’s Secret, Kia, Exxon, Arm & Hammer, and GlaxoSmithKline.

Feel free to reach out by scrolling down a bit more.

Contact


I am currently looking for contract work, or possibly full time for the right project and company mix.

Email Me
Resume LinkedIn