The Front-End Engineer is responsible for developing and maintaining user-friendly web applications, collaborating with teams, optimizing performance, and writing clean code.
About Us
About the Role
Responsibilities
Qualifications
Benefits
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.
Similar Jobs
Aerospace • Hardware • Robotics • Software
Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.
Top Skills:
LlmsReactTypescript
Big Data • Fintech • Mobile • Payments • Financial Services
Build and improve high-traffic consumer web experiences using React and TypeScript. Contribute to experimentation, client-side tagging, marketing integrations, attribution, measurement, performance, testing, observability, and privacy-aware development. Collaborate with Product, Design, Marketing, Analytics, Data Engineering, and senior engineers. Break down projects, write reliable and extensible code, support operations and on-call efforts, participate in code reviews, and contribute to team growth.
Top Skills:
Analytics PlatformsConversion TrackingGoogle Tag ManagerJavaScriptMarketing ApisReactTypescriptVueWeb Experimentation Platforms
Fintech • Software • Financial Services
Architect and build a high-performance trading platform for active traders. Develop responsive web interfaces integrating real-time market data, low-latency execution workflows, and advanced trading tools. Collaborate with cross-functional engineering teams on large-scale initiatives, emphasizing scalability, performance, API quality, maintainability, developer experience, and end-user usability.
Top Skills:
ReactTailwindTanstackTypescript
What you need to know about the San Francisco Tech Scene
San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.
Key Facts About San Francisco Tech
- Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Google, Apple, Salesforce, Meta
- Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
- Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
- Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine
