Top Front End Developer Jobs in Seattle, WA

Design user interfaces and workflows in Figma, implement designs using Vue.js and Next.js, and collaborate with backend engineers on API integration.

The UI Frontend Developer will design and develop responsive web applications, coordinate with backend developers, and create modular components, while ensuring high-quality coding standards.

The Front End Developer will handle architecture and development of multi-channel eCommerce applications, oversee other developers, and adapt workflows based on client requests.

The role requires a front-end developer with experience in Angular JS, React, TypeScript, and strong skills in Microsoft technologies such as C# and .Net. Good communication and problem-solving skills are essential.

Develop Front End solutions using AngularJS and HTML, while understanding customer requirements and maintaining standards in web accessibility.

Seeking a Java Front End Developer with expertise in AngularJS and HTML to discuss solutions with customers and understand system architecture.

The role involves architecting, designing, and developing multi-channel eCommerce applications, overseeing developers, managing project setups, and responding to client inquiries.

Seeking a Java Front End Developer with experience in Java, AngularJS, and other front-end technologies to enhance user interface development.

Build, test, and optimize responsive web applications using Next.js and React. Collaborate with designers and back-end developers, implement UI/UX designs, write clean maintainable code, and debug front-end issues to ensure high performance across devices and browsers.

The Lead Front-End Developer will lead frontend initiatives, ensuring an optimal user experience, architecting solutions, and mentoring developers.

Responsible for developing and maintaining a web-based user interface, collaborating with UI/UX teams and backend developers, and ensuring an optimized application through problem-solving and communication skills.

The HTML Developer will create responsive HTML templates, collaborate with developers, ensure cross-browser compatibility, and debug issues while staying updated on trends.

Volunteer Principal Front End Developer to build React/React Native web and mobile features, mentor engineers, implement scalable full‑stack solutions, ensure cross‑browser compatibility and testing, work with Node/MongoDB/AWS, attend weekly standups, and support a fundraising launch. Minimum 4 hours/week commitment.

Build and maintain performant web and mobile trading interfaces using React/React Native and TypeScript. Implement trading flows, wallet integration, real-time data visualization, reusable component libraries, and optimize UI performance under high-frequency updates while handling edge cases and collaborating with backend and wallet engineers.

Seeking a skilled Front-End React Developer with 3-5 years of experience to develop responsive web applications, optimize performance, and collaborate in an agile environment.

Develop and maintain Java backend services for enterprise blockchain applications, integrate APIs with React/Vue frontends, design scalable blockchain solutions, troubleshoot complex backend issues, and collaborate with the team to apply best practices and stay current with blockchain trends.

Build sophisticated user interfaces for AI and blockchain interactions, including monitoring tools and decentralized application interfaces, while collaborating across teams for seamless user experience.

Design, build, and maintain high-performance Next.js + TypeScript front-end applications. Implement responsive, accessible UIs, optimize rendering and bundle size, integrate with REST and WebSocket APIs, contribute to back-end work as needed, uphold testing and documentation standards, and mentor junior engineers.

Design, build, and maintain scalable frontend applications using Vue 3 and TypeScript. Own feature delivery from design through production, build reusable components and architecture, improve performance and accessibility, collaborate with backend teams on APIs, write tests, mentor engineers, and help shape frontend tooling, CI/CD, observability, and security practices.

The Staff Front End Engineer will lead technical direction, improve app features, mentor engineers, and collaborate with cross-functional teams using React Native.

Design and implement frontend applications using JS, CSS, React, and Flutter. Collaborate on technical specs and contribute to documentation, ensuring user experience and performance.

Front end developers ensure web design and user experience alignment, optimize web pages, and maintain brand consistency, collaborating with various teams.

Develop modern web applications focusing on UI components using React while ensuring performance, accessibility, and cross-browser compatibility.

Own front-end development of web applications using React and TypeScript. Build reusable components, collaborate with design/backend/AI teams, integrate APIs, optimize performance and accessibility, and iterate via A/B testing and analytics.

As a Senior Frontend Engineer at Cinch, you'll lead the modernization and performance optimization of React-based user interfaces, collaborate with cross-functional teams, and architect scalable UI systems with a focus on AI-driven experiences.