Personal details

William G.

Frontend Developer / UX Designer

Based in: 🇺🇸 United States

Timezone: Arizona (UTC-7)

Technical skills

Top 3 skills

React・5 yrs Next.js・3 yrs UX design・5 yrs

Other skills

TypeScript・3 yrs JavaScript・5 yrs HTML/CSS・5 yrs Web Development・5 yrs

About

Creative front-end developer with a strong track record building performant React applications in enterprise financial & marketing environments. I have a strong background in UX design and have the ability to bridge the gap between design, platform, and engineering teams. I am dedicated to driving meaningful innovation in my workplace and I am passionate about making inventive contributions to the future of the web.

Work Experience

Frontend Software Engineer

American Express | Jul 2025 - Nov 2025

HTML/CSS

Node.js

Unit Testing

TypeScript

Jira

React

JavaScript

Jest

Microservices

Redux

GraphQL

FinTech

Agile

CI/CD

Storybook

Figma

Design Systems

UI Engineering

Zustand

Micro Frontends

Shipped polished, performance-focused features for high-traffic financial applications serving thousands of business customers with revenues exceeding $5M.
Implemented Figma-managed design system components in Storybook, enabling cross-team alignment and reducing visual regressions.
Partnered extensively with design and product teams in review sessions to ship pixel-perfect user experiences and enhanced copywriting.
Maintained 100% code coverage with Jest and React Testing Library and participated in extensive code review per PR to ensure production reliability.

Frontend Engineer

Wells Fargo | Jun 2024 - Mar 2025

HTML/CSS

Git

Unit Testing

Accessibility

React

WCAG

JavaScript

Webpack

Redux

Redux-Saga

FinTech

CI/CD

Figma

Web Accessibility

GitHub Actions

Micro Frontends

Developed reusable React components using Module Federation for the WF Cross-Channel Banking Platform.
Led efforts to increase unit test coverage to over 90% using Jest and React Testing Library.
Collaborated with design teams to translate Figma designs into responsive, pixel-perfect, component-driven UI.
Used modern development workflows including Git and GitHub Actions for CI/CD pipelines.
Optimized application performance by leveraging code-splitting, lazy loading, and memoization techniques.
Built a WCAG-compliant disclosure agreement workflow, improving the experience for users with disabilities.