> Markdown version of [/jobs/ext/4580694-staff-senior-frontend-developer](https://www.wearedevelopers.com/jobs/ext/4580694-staff-senior-frontend-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff/Senior Frontend Developer - **Company:** The Comfy - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Software Applications, Software Quality, Desktop Computing, Design of User Interfaces, Human-Computer Interaction, TypeScript, Web Applications, Performance Testing, Backend, Front End Software Development - **Published:** November 5, 2026 - **Apply:** https://www.careerbuilder.com/job-details/staff-senior-frontend-developer-san-francisco-ca--2599c07c-1d1c-4d4d-a309-c20e224450be ## About the Role User Interface/Experience (UI/UX), User Interface/Experience (UI/UX), Prototyping, Best Practices, Performance Testing, Product Design, Mentoring, Leadership, Desktop PC, Internet Application, * Shipped applications with significant real-world traffic or user counts. * Experience leading technical initiatives and shipping scalable, high-performance web and desktop applications. * Strong expertise with modern front-end tooling. (TypeScript, CI/CD pipelines) * Expertise in optimizing complex UX interactions in web and desktop applications. * A passion for creating fast, accessible, and beautiful user experience. * Startup mindset: you thrive in fast-moving environments, take ownership, and love solving problems at scale. ## Description As one of our first front-end engineers, you'll ship new features. What you'll do: * Lead the design and development of core frontend architecture of new products from the ground up. * Rapidly prototype and iterate on features to validate ideas and user experience. * Establish best practices for code quality, testing, performance, and maintainability. * Collaborate closely with design, product, and backend teams to shape the user experience end-to-end. * Contribute to key technical and product decisions as part of the founding engineering team. * Mentor future engineers and help build a high-caliber frontend team and culture.