Front End Engineer
Halliday - San Francisco, CA | New York, NY, United States
Posted Oct 17, 2025
Benefits
- Parental leave
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- Non-birth-parent leave
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- Family-building benefits
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- Fertility benefits: Not verified
- Adoption assistance: Not verified
- Surrogacy assistance: Not verified
- Mental health support
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- Relocation assistance
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- Childcare support
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- Learning budget
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- Salary
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- 401(k) match
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Schedule
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- Weekend work
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Application
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- Assessment
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- Deadline
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Where they hire
State eligibility is not yet verified.
About this role
Front End Engineer San Francisco, CA | New York, NY, United States 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. About the role 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
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