A16zcrypto
Senior Frontend Engineer
San Francisco, CA | New York, NY · Senior
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odds of building a lasting career here
Thin sponsorship signal and lottery-bound (~61% per draw). A low-probability bet with your clock running. Prioritize cap-exempt roles and proven entry-level sponsors first.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$15,589 more — $165,589 — moves this role to Level III and 3 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $165,589 would place this position at wage Level III. That figure is within the posted range, and I'd like to target it. This role classifies under "Software Developers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · New York-Newark-Jersey City, NY-NJ. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- This is an opportunity to work on cutting-edge technology with a talented team that's redefining how people interact with blockchain.
- Contribute to Halliday's public SDKs and APIs, making it easy for developers to integrate blockchain payments into their applications.
- Push the boundaries of what's possible in blockchain user experiences, making complex onchain actions feel simple and intuitive.
Responsibilities
- 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.
- 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.
- Halliday is a blockchain company and product lab working to create a unified, cross-chain payments ecosystem.
- As a Frontend Engineer at Halliday, you'll build the user-facing products that power the future of blockchain payments.
- Experience building payment flows, checkout experiences, or financial products.
- Design Sensibility:
- Strong eye for design and experience working closely with designers to implement pixel-perfect interfaces.
- A role with significant autonomy to build out the next generation infrastructure of the blockchain space.
Requirements
- Frontend Expertise: 2+ years of experience building production frontend applications with React and TypeScript.
- Technical Proficiency: Strong understanding of modern frontend development including state management, API integration, responsive design, and performance optimization.
- Collaborative Spirit: You work well with cross-functional teams, communicate effectively, and thrive in a fast-paced startup environment.
- Familiarity with Web3 libraries like ethers.js, viem, or wagmi.
- Frontend Expertise:
- 2+ years of experience building production frontend applications with React and TypeScript.
- Technical Proficiency:
- Strong understanding of modern frontend development including state management, API integration, responsive design, and performance optimization.
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.
Company info
- For international candidates - we offer visa sponsorship!
- We're looking for a senior-level frontend engineer with deep React and TypeScript experience to build consumer-facing crypto and payments products.
Visa & Work Authorization
- For international candidates - we offer visa sponsorship!
This listing is sourced directly from A16zcrypto's careers page and normalized into a canonical job model.