Top Front End Developer Jobs in Seattle, WA

The Staff Frontend Engineer will design the UI for a high-performance datacenter infrastructure platform, optimizing for speed and handling complex datasets. Responsibilities include building applications, collaborating on API design, and establishing frontend architecture.

The Frontend Engineer II will design and implement front-end experiences for eCommerce applications, collaborate with product management, and write tests to ensure code quality.

Develop and implement advanced UI applications for defense intelligence using TypeScript and React, mentoring junior engineers and collaborating with cross-functional teams.

Own and evolve frontend systems across product areas; shape frontend technical strategy; lead architecture, performance, and UX improvements; establish component, state, accessibility, and testing standards; mentor engineers and guide technical decisions to ensure scalable, maintainable UI platforms.

The Senior Frontend Engineer will design and implement scalable web features, mentor junior engineers, and collaborate across teams to enhance financial products.

The Front End Web Developer will build and maintain web experiences using Webflow and WordPress, translating design into high-quality implementations while collaborating with various teams to ensure performance and usability.

As a Software Engineer in Connected Warfare, you'll design and deploy map-based interfaces, manage large data streams, and enhance user experience while focusing on high-quality software delivery.

As a Front-End Engineer II, you will design and deliver software, improve user interfaces, collaborate with teams, and conduct quality assurance in an agile environment.

As a Staff Software Engineer, you will lead the frontend architecture, collaborate with teams to enhance the cloud platform experience, and ensure performance and reliability of applications.

Develop innovative UI and web systems, managing project priorities and deadlines while working within a collaborative team environment.

Design, develop, and maintain web applications for Kuiper customer engagement systems. Build UI components, collaborate with teams, and improve frameworks.

Design, develop, and deploy web applications; collaborate with UX engineers; implement intuitive UIs; participate in code reviews; use Agile methodologies.

The role requires building and improving frontend applications using React and Next.js, architecting complex systems, and leading development efforts, with a focus on high-quality user experiences.

Lead the frontend platform's evolution, architect complex UIs, mentor engineers, and drive performance and testing excellence while collaborating with cross-functional teams.

The Staff Frontend Engineer will work with customers to integrate and enhance Foxglove's platform, develop solutions, and provide feedback to product teams, requiring strong collaboration and technical skills.

As a Staff Software Engineer, you'll lead frontend development, ensure quality and scalability of systems, mentor engineers, and drive technical strategy.

Develop and maintain WordPress websites, create custom themes and plugins, ensure cross-browser compatibility, and optimize for SEO. Provide guidance on user experience and explore new technologies.

As a Frontend Engineer at Clarify, you will build AI-powered interfaces, define API contracts, manage state and performance, and mentor team members while setting architectural standards.

The Frontend Engineer will enhance software delivery through observability products, drive end-to-end feature development, mentor teammates, and advance engineering standards, leveraging expertise in frontend technologies and collaboration with cross-functional teams.

As a Staff Engineer in the Prime UI Platform Team, you'll design core systems for frontend experiences, focusing on reliability and performance. You'll lead architecture decisions, develop APIs, optimize data streams, and enhance developer tools while collaborating with frontend engineers and product teams.

Build and ship geospatial web applications as a Senior Front-End Engineer, focusing on interactive UI features in a TypeScript/React environment.

Lead technical direction for a TypeScript/React application, set standards, design UI patterns, mentor engineers, and drive execution in a mission-sensitive environment.

As a Front-End Developer, you'll deliver user-friendly applications by developing responsive front-end applications, collaborating with teams, and ensuring code quality through testing and best practices.

As a Frontend Developer, you'll work on core applications and microservices, shaping features and optimizing user experience, while collaborating with the team to improve code quality and reduce technical debt.

The role involves designing and developing user-friendly, robust React Native applications for a cloud-based platform, focusing on performance and team collaboration.