Front End Engineer

Fifth Door; San Francisco, Northern (CA, KY); Hybrid; USD 120,000 - 170,000; Full time

Benefits offered by this job

Equity

Health/Dental/Vision coverage

Flexible hours & unlimited vacation

Collaborative team environment

Job summary

Fifth Door is seeking a Front-End Engineer who loves building delightful, high-performance web interfaces. You will translate designs into responsive, accessible UIs and collaborate with product and backend teams to ship features from concept to production.

You will optimize performance, maintain clean code, and stay current with modern front-end trends. This is a fast-moving, ambitious team where your work has immediate impact on players and the product’s direction.

Qualifications

• 3+ years of front-end engineering experience.
• Expert proficiency with React and Typescript.
• Strong cross-browser compatibility, responsive design, and accessibility.
• Familiarity with modern build pipelines (Webpack, Vite, Rollup).
• Experience integrating with RESTful and realtime APIs.
• Git proficiency in an Agile environment.
• Proficiency using AI tools in development workflows.
• Nice-to-have: experience with web animations, backend familiarity, passion for gaming or AI applications.

Responsibilities

• Architect, develop, and maintain highly responsive and user-friendly web applications.
• Collaborate with cross-functional teams to turn mockups 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.

Skills

Cross-browser compatibility

Accessible design

Agile development

AI tools in development workflows

Frontend performance optimization

Tools

React

Typescript

Webpack

Vite

Rollup

RESTful APIs

Realtime APIs

Git

Job description

About Us

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.

About the Role

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.

Responsibilities

• 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.

Qualifications

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.

Benefits

• 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.