Frontend Engineer

Verified Expert in Frontend Development

Frontend Engineer
San Francisco, CA, USA
Member since March 15, 2020

Bio

Sarah specializes in building beautiful, performant user interfaces with React. With a keen eye for design and deep understanding of modern frontend architecture, she creates seamless user experiences that delight users and drive business results. Her expertise in state management and component optimization ensures scalable applications.

Portfolio

E-commerce Platform Redesign

React, Next.js, Redux Toolkit, Tailwind CSS, Stripe Integration

SaaS Dashboard

React, TypeScript, Material-UI, React Query, D3.js Visualizations

Mobile-First Social App

React, PWA, Service Workers, WebSocket, Responsive Design

Experience

React – 7 years

TypeScript – 6 years

Redux – 5 years

Next.js – 4 years

Tailwind CSS – 4 years

JavaScript – 8 years

CSS/SASS – 7 years

Webpack – 5 years

Availability

Full-time

Preferred Environment

Remote, Agile Teams

The most amazing…

…project I've built was a real-time collaborative design tool used by 500K+ users.

Senior Frontend Engineer TechFlow Inc.

2022 – 2024

Led frontend architecture redesign that improved page load times by 60% and increased user engagement by 40%.
Implemented micro-frontend architecture enabling 5 teams to work independently on different product areas.
Mentored 6 junior developers and established frontend best practices and code review standards.
Built reusable component library serving 15+ products across the organization.

Technologies: React, TypeScript, Next.js, Redux Toolkit, Tailwind CSS, Webpack, Jest, React Testing Library, Storybook

Frontend Developer Digital Solutions Co.

2020 – 2022

Developed responsive web applications serving 200K+ daily active users.
Optimized React application bundle size by 45% through code splitting and lazy loading.
Implemented comprehensive unit and integration testing achieving 90% code coverage.
Collaborated with UX designers to create pixel-perfect implementations of Figma designs.

Technologies: React, JavaScript, Redux, Material-UI, CSS Modules, Webpack, Git

Junior Frontend Developer StartUp Studio

2018 – 2020

Built and maintained multiple client websites using React and modern JavaScript.
Implemented responsive designs ensuring compatibility across all devices and browsers.
Worked closely with backend team to integrate RESTful APIs.

Technologies: React, JavaScript, HTML5, CSS3, Bootstrap, REST APIs

2014 – 2018

Bachelor of Science in Computer Science

University of California, Berkeley – USA

Libraries/Frameworks

React, Next.js, Redux, Redux Toolkit, React Query, React Router, Styled Components, Emotion

Languages

TypeScript, JavaScript (ES6+), HTML5, CSS3, SASS/SCSS

Tools

Webpack, Vite, npm/yarn, Git, Figma, Chrome DevTools, Storybook, ESLint, Prettier

Testing

Jest, React Testing Library, Cypress, Playwright, Vitest

Styling

Tailwind CSS, Material-UI, Ant Design, Chakra UI, CSS Modules, CSS-in-JS

State Management

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