Top Senior Front End Developer Jobs in Seattle, WA

As a Senior Front End Engineer, you will create custom UI components, develop marketing funnels, integrate payment gateways, and optimize performance using React.

As a Senior Frontend Software Engineer, you'll lead the development of major features using React and TypeScript, ensuring performance and integration with backend systems. You'll also manage releases, improve team efficiency, and contribute to a customer-centric product experience.

Owner of the asset discovery experience across tokens, perpetuals, and prediction markets. Design, build, and scale features for web, mobile, and browser extension platforms. Lead initiatives to add blockchain support and new products, interface with users and developers for feedback, and help grow and hire a high-performing Discovery team.

Design, build, and maintain scalable React/TypeScript web applications for Keeper's Admin Console. Integrate with backend REST APIs, implement enterprise UI workflows (RBAC, policy config, audit views), ensure secure, well-tested frontend code, participate in architecture and code reviews, troubleshoot performance and usability, and maintain documentation.

As a Senior Frontend Engineer, you'll lead frontend technical delivery and build React-based applications, collaborating with AI engineers and other teams to create trusted enterprise-ready product experiences.

The Senior Frontend Engineer will implement and launch features for Slush Wallet, update frontend architecture, and collaborate with design and product teams.

As a Senior Software Engineer I, you'll develop scalable frontend applications using React and TypeScript, lead engineering reviews, mentor team members, and collaborate on technical roadmaps for mission-critical software.

Develop and improve real-time drone tele-operations features, cloud-based products, and quickly prototype new front-end experiences while transitioning to a new tech stack.

Responsible for leading the architecture and development of scalable web applications, optimizing performance, and mentoring junior developers.

The Senior Full Stack Engineer will build high-quality web applications, optimize performance, manage data flows, and collaborate cross-functionally while mentoring peers.

Lead design, development, and maintenance of SmithRx frontend features using JavaScript and React while ensuring high-quality code and scalability. Collaborate with product teams and mentor junior engineers.

The Senior Front-End Software Engineer leads frontend development, collaborates with teams, and mentors junior engineers, focusing on best practices and code quality.

The role involves modernizing the front end stack, migrating to a monorepo architecture, developing component libraries, and improving cross-platform mobile applications while collaborating with product and design teams.

Develop crafted, intuitive interfaces, improve UI/UX quality, and collaborate with product teams. Engage with customers for feedback and mentor future engineers.

Responsible for defining, designing, and developing major web product features, leading AI-driven workflows, ensuring code quality, and mentoring team members.

We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.

The Senior Full Stack JavaScript Developer will build and maintain user interfaces using React and Next.js, integrate with Node.js backends, and guide other developers. Responsibilities include ensuring accessibility, performance, and reliability of features, engaging in code reviews, and collaborating closely with product teams.

The Senior Software Engineer will enhance user experiences in crypto wallets, focusing on collaboration, performance, and delivering quality products.

Develop user-centric UI applications, collaborate with teams, and design scalable solutions while enhancing production-ready code as a Frontend Engineer.

As a Senior Frontend Engineer, you will design and build web applications, owning major UI projects, collaborating with cross-functional teams, and optimizing performance for a seamless user experience.

The Senior Front-End Engineer will solve complex architecture problems, develop features using Vue, optimize performance, and collaborate with cross-functional teams.

The Senior Frontend Engineer will build and enhance core product experiences using Angular 2+ and React, ensuring high-quality code and collaboration with other teams.

The Sr. Front-End Full-Stack Developer will design, implement and maintain features for a commercial software platform, collaborating closely with teams and ensuring high quality through testing and operations.

The Senior Software Engineer will lead frontend development using React for Afresh's AI grocery platform, mentoring engineers and collaborating across teams to enhance web solutions.

Develop AI/ML-powered features in ClickHouse Cloud, focusing on frontend and API architecture, UI/UX, and integrations with AI systems.