Casey Morgan

Senior Frontend Developer

📧 casey.morgan@email.com | 📱 (555) 234-8901 | 🔗 linkedin.com/in/caseymorgan | 💻 github.com/caseymorgan | 🌐 caseymorgan.dev

Austin, TX

Professional Summary

Passionate Frontend Developer with 6+ years of experience creating responsive, accessible, and performant web applications. Expert in React ecosystem with strong focus on user experience and modern web standards. Improved web vitals scores by 85% and reduced bundle sizes by 60% through optimization. Committed to writing clean, maintainable code and mentoring junior developers.

Technical Skills

Core Technologies: JavaScript (ES6+), TypeScript, HTML5, CSS3, Sass/SCSS

Frontend Frameworks: React, Next.js, Vue.js, Svelte

State Management: Redux, Redux Toolkit, Zustand, React Query, Context API

Styling: CSS Modules, Styled Components, Emotion, Tailwind CSS, Material-UI, Chakra UI

Build Tools: Webpack, Vite, Rollup, esbuild, Babel, PostCSS

Testing: Jest, React Testing Library, Vitest, Cypress, Playwright, Storybook

Performance: Lighthouse Optimization, Code Splitting, Lazy Loading, Web Workers, Service Workers

Accessibility: WCAG 2.1 AA/AAA, ARIA, Screen Reader Testing, Keyboard Navigation

Tools: Git, VS Code, Chrome DevTools, Figma, npm/yarn/pnpm

APIs & Data: REST, GraphQL, Apollo Client, Axios, Fetch API

Mobile: React Native (basics), Progressive Web Apps (PWA)

Professional Experience

Senior Frontend Developer | DesignTech Solutions | Austin, TX

February 2021 - Present

Led frontend architecture for design collaboration platform serving 100K+ creative professionals
Improved Core Web Vitals scores by 85% through image optimization, code splitting, and lazy loading strategies
Reduced JavaScript bundle size by 60% using tree-shaking, dynamic imports, and module federation
Built component library with 80+ reusable React components used across 5 products, reducing development time by 40%
Implemented advanced animations using Framer Motion and CSS animations, improving user engagement by 25%
Achieved 100% Lighthouse scores on performance, accessibility, and SEO for marketing pages
Mentored 4 junior developers through code reviews, pair programming, and technical workshops
Established frontend best practices including TypeScript adoption, ESLint rules, and testing standards
Migrated legacy jQuery codebase to React, improving maintainability and developer productivity

Key Technical Achievements:

Implemented micro-frontend architecture using Module Federation
Built real-time collaborative editing features using WebSockets and CRDT algorithms
Created custom Webpack configuration reducing build time by 70%

Frontend Developer | E-Commerce Startup | San Francisco, CA

March 2019 - January 2021

Developed responsive e-commerce platform supporting desktop, tablet, and mobile with 99% feature parity
Increased conversion rate by 32% through checkout flow optimization and A/B testing
Built progressive web app (PWA) with offline support, increasing mobile engagement by 45%
Implemented server-side rendering with Next.js, improving SEO rankings and initial page load by 50%
Created accessible shopping experience meeting WCAG 2.1 AA standards, expanding customer base by 15%
Integrated with RESTful and GraphQL APIs for product catalog, inventory, and payments
Optimized images and assets, reducing page weight by 65% and improving load times
Collaborated with design team to implement pixel-perfect UI using Figma designs

Junior Frontend Developer | Web Agency | Austin, TX

June 2017 - February 2019

Built 15+ client websites using modern JavaScript frameworks and responsive design principles
Created interactive UI components with complex animations and transitions
Implemented cross-browser compatibility supporting IE11, Safari, Chrome, and Firefox
Wrote maintainable CSS using BEM methodology and Sass preprocessor
Participated in code reviews and learned best practices from senior developers
Fixed bugs and improved performance on legacy codebases

Education

Bachelor of Science in Computer Science

University of Texas at Austin | Austin, TX
Graduated: May 2017
GPA: 3.6/4.0

Featured Projects

Design Collaboration Platform (2022-Present)

Challenge: Build real-time collaboration features for designers
Solution: React + WebSockets for live cursors, commenting, and presence indicators
Tech Stack: React, TypeScript, Next.js, Styled Components, Framer Motion, Socket.io
Impact: 100K+ monthly active users, 4.8/5.0 user rating

Component Library & Design System (2021-2023)

Challenge: Inconsistent UI across products, slow development cycles
Solution: Built comprehensive component library with Storybook documentation
Tech Stack: React, TypeScript, Styled Components, Storybook, Chromatic
Impact: 80+ components, 40% faster feature development, 90% code reuse

E-Commerce PWA (2020)

Challenge: High mobile bounce rate due to slow load times
Solution: Progressive web app with offline support and service workers
Tech Stack: Next.js, React, Workbox, IndexedDB
Impact: 45% increase in mobile engagement, 50% faster page loads

Open Source Contributions

React: Contributed bug fix to React DevTools (merged PR)
Next.js: Submitted documentation improvements (3 merged PRs)
Chakra UI: Built custom components shared with community (150+ stars)
Personal Projects:
- react-smooth-collapse: Accessible accordion component (800+ weekly npm downloads)
- css-grid-generator: Visual CSS Grid layout tool (1.2K GitHub stars)

Certifications & Courses

Meta Frontend Developer Professional Certificate - Coursera (2023)
Advanced React Patterns - Kent C. Dodds (2022)
Epic React - Kent C. Dodds (2021)
Testing JavaScript - Kent C. Dodds (2021)
Web Accessibility (WCAG) Specialization - University of Minnesota (2020)
JavaScript Algorithms and Data Structures - freeCodeCamp (2019)

Speaking & Community

Conference Speaker: "Building Accessible React Components" - React Austin (2023)
Workshop Leader: "Frontend Performance Optimization" - Frontend Conf (2022)
Meetup Organizer: Austin React Meetup (Co-organizer, 600+ members)
Technical Blogger: Published 18 articles on frontend development (30K+ monthly readers)
Open Source Maintainer: Maintain 3 npm packages with 10K+ weekly downloads combined

Additional Information

Languages: English (Native)
Interests: Web performance, accessibility, design systems, developer experience
Portfolio: caseymorgan.dev - Showcasing 15+ projects

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