Portfolio

Selected Work

A collection of UX/UI design projects spanning enterprise software, healthcare, fintech, and mobile applications.

Ecolab

AI-Powered Operational Intelligence

Led UX strategy and end-to-end design for an AI-powered operational intelligence platform. Designed predictive dashboards and guided action workflows. Prototyped AI agent concepts with Engineering and Data Science. Contributed to $20M funding for next-generation AI capabilities.

Senior UX/UI Designer, AI InnovationJul 2025 – Dec 2025Web Application

Contributed to $20M funding for next-generation AI capabilities

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Ecolab Food & Beverage Intelligence platform showing operational center with AI-powered predictive dashboards

CVS Health

Drug Cost & Coverage for Caremark

Redesigned Caremark's Drug Cost & Coverage experience for 80M members, reducing call center inquiries by 6.82% through improved accessibility and usability.

Senior Experience DesignerApr 2021 – Oct 2023iOS, Android, Web

6.82% reduction in call center inquiries, generating significant cost savings for a large-scale, multi-billion-dollar support operation

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CVS Health mobile app drug cost and coverage interface showing medication search results on iOS and Android devices

Prongo Educational Platform

Independent Product Design & Modernization

Modernized a 25-year-old educational platform into a responsive React ecosystem serving children, teachers, and families—with 300+ learning experiences, native games, classroom tools, and customizable printables.

Founder, Product Designer & Developer1999 – Present · Redesign Mar 2026 – PresentWeb (React), legacy iOS

300+ educational experiences preserved and reorganized

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Redesigned Prongo.com shown on laptop and mobile with grade-based navigation and featured educational games

Syncrofy Software

MFT Banking Transaction Module

Designed and developed a new Managed File Transfer Banking Transaction Module for Syncrofy, enabling secure and efficient handling of high volumes of banking transactions.

Lead UX/UI DesignerWeb Application

Delivered a secure, scalable MFT banking transaction module capable of supporting high-volume transaction workflows

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Syncrofy banking transaction module dashboard displaying file transfer monitoring and transaction status on Mac desktop

Renewance

Battery Life Cycle Management

Developed a scalable web application for comprehensive battery monitoring, management, e-commerce, and advanced features, revolutionizing how clients monitor industrial batteries.

Senior UX/UI DesignerDec 2023 – Mar 2024Web Application

Built a scalable Figma design system from scratch using tokens and nested components

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Renewance battery lifecycle management dashboard showing industrial battery monitoring metrics and inventory status

CircleIT

Generational Family Platform

Designed iOS and Android applications for an innovative platform connecting family members across time through scheduled future deliveries of messages and gifts.

Sole UX/UI DesigneriOS, Android

Successfully launched on iOS and Android

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CircleIt family platform mobile app mockup showing family tree and future message scheduling features

AGWS

American Guardian Warranty Services

Designed iOS, Android, and web applications to solve top call center issues by improving user experience for clients managing vehicle warranties.

Senior UX DesignerMay 2018 – Mar 2019iOS, Android, Web

Reduced top call-center inquiry drivers through self-service flows

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AGWS vehicle warranty app showing good news confirmation screen for claims and coverage status

HappyVibes App

Wellness & Mood Tracking

A well-being and creativity app designed to help users feel happier, calmer, and more inspired every day with journaling, daily inspiration, guided breathing, mood tracking, and creative tools.

UX/UI Designer & DeveloperiOS, Web

Solo-designed and developed full product

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HappyVibes wellness app on iPhone showing mood tracking, journaling, and mindfulness features

Additional Work

Selected Creative Work

Additional work across web design, illustration, print, publishing, and design-to-code exploration.

San Antonio Zoo website design featuring engaging animal imagery and family-friendly navigation

Web Design

Web Design Showcase

A showcase of diverse and extensive experience in web design, featuring responsive layouts, engaging interfaces, and user-centered designs across multiple industries.

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Digital Illustration

Illustration, Animation & Game Graphics

Over 25 years of digital illustration experience spanning character design, animations, icons, game graphics, and custom app assets. Creator of Prongo.com featuring original game characters and interactive experiences.

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Print Design

Print Design Showcase

A showcase of diverse and extensive experience in print design—from digital banners, promotional materials, and packaging designs to large format banners for trade shows and intricate product packaging.

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Prongo's Creepy Colors and Fun Facts book cover

My Published Books

Published Books on Amazon

A growing catalog of self-published coloring books, sketchbooks, and quote-driven kids' titles under the pen name Jeff Prongo.

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Vibe Coding

Design & Research

AI-assisted programming experiments translating design concepts into functional code—from Figma layouts to working applications, exploring design-to-code transformations.

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