Front End Engineer at fifthdoor.com (San Francisco, CA)Front End Engineer

Fifth Door unlocks the power of imagination by making it easy for anyone to create, share, and play turn-based games anywhere, with anyone. We exist to inspire connection, creativity, and community through the limitless joy of games.

Create. Play. Anywhere.

We are seeking a Front-End Engineer who is passionate about delivering outstanding user experiences that delight our users. This is an opportunity to join a fast-moving, ambitious team where your work will have real impact from day one.

• Architect, develop, and maintain highly responsive and user-friendly web applications.
• Collaborate with cross-functional teams to turn mockups and prototypes into elegant, functional code.
• Ensure the technical feasibility of UI/UX designs.
• Optimize applications for maximum speed and scalability.
• Write clean, maintainable, and well-tested code.
• Identify and troubleshoot front-end performance issues.
• Stay current with front-end trends and emerging technologies, bringing ideas back to the team.

Must-Have:

• 3+ years of experience as a front-end engineer or similar role.
• Expert proficiency with React and Typescript.
• Strong understanding of cross-browser compatibility, responsive design, and accessibility standards.
• Familiarity with modern build pipelines and tools (Webpack, Vite, Rollup, etc.).
• Experience integrating with RESTful and realtime APIs.
• Git proficiency and experience working in an agile development environment.
• Proficiency using AI tools in development workflows

Nice-to-Have:

• Interest or experience in animations on the web.
• Some familiarity with back-end technologies is a plus.
• Passion for gaming, creative tools, or AI applications.

• Competitive salary and meaningful equity.
• Health, dental, and vision coverage.
• Flexible work hours and unlimited vacation policy.
• A collaborative, supportive team environment.
• Opportunity to shape product direction and culture early.