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Hi, I’m Shawn Fitzgerald, a strategic mobile and full-stack solutions architect and long-time independent consultant. I design high-performance mobile, web, and backend ecosystems for enterprise and startup environments, leading modernization initiatives, unifying code bases, and raising engineering standards to improve speed, quality, and maintainability. I’m recognized as an innovator and inventor, with two US patents in mobile information authentication and mobile payments, plus a JavaOne award. I bring deep expertise across React Native/Expo, NodeJS/NestJS, cloud architecture, and AI-assisted development workflows to help teams ship better products faster.…Hi, I’m Shawn Fitzgerald, a strategic mobile and full-stack solutions architect and long-time independent consultant. I design high-performance mobile, web, and backend ecosystems for enterprise and startup environments, leading modernization initiatives, unifying code bases, and raising engineering standards to improve speed, quality, and maintainability. I’m recognized as an innovator and inventor, with two US patents in mobile information authentication and mobile payments, plus a JavaOne award. I bring deep expertise across React Native/Expo, NodeJS/NestJS, cloud architecture, and AI-assisted development workflows to help teams ship better products faster.

Shawn Fitzgerald

PRO

Architect, Full Stack Developer, Front-End Developer, +2

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Hi, I’m Shawn Fitzgerald, a strategic mobile and full-stack solutions architect and long-time independent consultant. I design high-performance mobile, web, and backend ecosystems for enterprise and startup environments, leading modernization initiatives, unifying code bases, and raising engineering standards to improve speed, quality, and maintainability. I’m recognized as an innovator and inventor, with two US patents in mobile information authentication and mobile payments, plus a JavaOne award. I bring deep expertise across React Native/Expo, NodeJS/NestJS, cloud architecture, and AI-assisted development workflows to help teams ship better products faster.…Hi, I’m Shawn Fitzgerald, a strategic mobile and full-stack solutions architect and long-time independent consultant. I design high-performance mobile, web, and backend ecosystems for enterprise and startup environments, leading modernization initiatives, unifying code bases, and raising engineering standards to improve speed, quality, and maintainability. I’m recognized as an innovator and inventor, with two US patents in mobile information authentication and mobile payments, plus a JavaOne award. I bring deep expertise across React Native/Expo, NodeJS/NestJS, cloud architecture, and AI-assisted development workflows to help teams ship better products faster.

Available to hire

Boynton Beach, United States

Hi, I’m Shawn Fitzgerald, a strategic mobile and full-stack solutions architect and long-time independent consultant. I design high-performance mobile, web, and backend ecosystems for enterprise and startup environments, leading modernization initiatives, unifying code bases, and raising engineering standards to improve speed, quality, and maintainability.

I’m recognized as an innovator and inventor, with two US patents in mobile information authentication and mobile payments, plus a JavaOne award. I bring deep expertise across React Native/Expo, NodeJS/NestJS, cloud architecture, and AI-assisted development workflows to help teams ship better products faster.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

Work Experience

Consulting Architect (Web/Mobile) at Florida Department of Transportation

May 1, 2025 - Present

Spearheaded the adoption of Cursor IDE, increasing team output 2–3x. Directed the high-stakes migration of the Toll Pass consumer website to a modern ReactJS architecture, phasing out legacy systems.

Senior Mobile Software Engineer at Nucleus Health

October 1, 2021 - September 1, 2022

Implemented React Native/Expo framework for the Recovery Centers of America product line, establishing standards for mobile/web initiatives and addressing legacy issues.

Technical Architect at New York Presbyterian Hospital

August 1, 2016 - March 1, 2020

Designed patient-facing mobile apps and a fundraising tool that directly contributed to a 27% increase in sponsorship revenue; enhanced patient UX and telehealth outcomes.

President / Technologist / Innovator at Software & Design Inc.

April 1, 2014 - Present

Led AI-driven strategies for SMBs, delivering a 32% increase in response rates and a 54% reduction in bug tickets. Architected and launched a custom SaaS platform to manage $1.5M in crypto-miner assets and standardized mobile/web/backend architectures to accelerate delivery.

IT Architect / Director at FlexXhopper Inc. & Sensei Inc.

January 1, 2010 - December 31, 2014

Redesigned mobile protocols, cutting development time by half. Built high-volume RESTful APIs for lease-to-own PaaS and delivered 5x performance improvements through protocol redesign and platform optimization.

Sr. Architect / Consultant at VoceL, HandMark & Ericsson

January 1, 2006 - December 31, 2009

Led the recovery of the mobile division and built a Java ME video capture system for Ericsson that became a core corporate product.

Director / Principal Architect at Quake Inc. & Walt Disney World

January 1, 2004 - December 31, 2006

Invented patented mobile payments and authentication solutions; developed mobile web portals integrated with Disney’s corporate security.