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## About the role
We're looking for a senior-level frontend engineer with deep React and TypeScript experience to build consumer-facing crypto and payments products.
As a Frontend Engineer at Halliday, you'll build the user-facing products that power the future of blockchain payments. You'll design and implement intuitive, high-performance interfaces that make onchain transactions seamless for millions of users. This is an opportunity to work on cutting-edge technology with a talented team that's redefining how people interact with blockchain.
## What you'll be doing
- Build User-Facing Products: Design and develop responsive, performant frontend applications using React and TypeScript that interact with blockchain networks, payment systems, and DeFi protocols while delivering an exceptional user experience.
- Develop Core Infrastructure: Build scalable components, design systems, and testing frameworks that support our payments platform and developer tools.
- Ship Developer Tools: Contribute to Halliday's public SDKs and APIs, making it easy for developers to integrate blockchain payments into their applications.
- Work Cross-Functionally: Collaborate with product, design, engineering, and partnerships teams to deliver features that solve real user problems and drive product adoption.
- Drive Technical Excellence: Identify and implement improvements to enhance performance, accessibility, security, and code quality across our frontend stack.
- Innovate on Web3 UX: Push the boundaries of what's possible in blockchain user experiences, making complex onchain actions feel simple and intuitive.
## What we're looking for
- Frontend Expertise: 2+ years of experience building production frontend applications with React and TypeScript. You write clean, maintainable code and care deeply about user experience.
- Technical Proficiency: Strong understanding of modern frontend development including state management, API integration, responsive design, and performance optimization.
- Product Mindset: You think beyond just implementing features, you understand the "why" behind what you're building and advocate for the best user experience.
- Fast Learner: You're excited to dive into new technologies, whether that's blockchain SDKs, payment APIs, or emerging web
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