Senior Frontend Engineer
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Overview
Join Halliday as a Senior Frontend Engineer to build consumer-facing crypto and payments products using React and TypeScript. Work on cutting-edge technology in a collaborative environment.
About Halliday
Halliday is a blockchain company and product lab working to create a unified, cross-chain payments ecosystem. Its flagship product, Halliday Payments, is a unified payments platform that makes it easy for users to onramp, swap, and take other onchain actions. Halliday’s products are built on the Workflow Protocol, which removes the need to code smart contracts by hand and enables breakthrough applications to ship in hours, not years. Backed by a16z and #Hashed, Halliday has worked with prominent developers such as ApeChain, Story Protocol and DeFi Kingdoms to provide seamless experiences for both developers and users. The team includes alumni from Stanford, Harvard, Compound, Meta, Netflix, and more.
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.
Why Work at Halliday?
A role with significant autonomy to build out the next generation infrastructure of the blockchain space. Competitive compensation package, with unlimited PTO and a friendly work environment. For international candidates - we offer visa sponsorship!
Compensation
The base salary range for this role is $150,000 - $250,000. This reflects the minimum and maximum range across all US locations. This does not include equity or benefits. The actual base pay is dependent upon many factors, such as: experience, relevant skills, and role level. Your recruiter can share more about the compensation and benefits applicable to your location during the hiring process.
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 standards.
- •Collaborative Spirit: You work well with cross-functional teams, communicate effectively, and thrive in a fast-paced startup environment.