{"id":868377,"url":"https://alion.io/job/halliday-front-end-engineer","title":"Front End Engineer","company":{"id":676476,"name":"Halliday","domain":"halliday.xyz","url":"https://alion.io/company/halliday-2","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":190000,"currency":"USD","period":"year","gross":null,"usd_annual":190000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Compound","optional":false},{"name":"DeFi","optional":false},{"name":"React.js","optional":false},{"name":"TypeScript","optional":false},{"name":"Bitcoin","optional":true},{"name":"Ethereum","optional":true},{"name":"Ethers.js","optional":true},{"name":"JavaScript","optional":true},{"name":"Solana","optional":true}],"status":"live","first_seen_at":"2025-10-17T21:38:39Z","employer_posted_date":"2025-10-17","last_verified_at":"2026-11-12T03:50:10Z","board_verified":true,"closed_at":null,"days_open":390,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":389},"description":"About Halliday\nHalliday is the end-to-end deposit platform, unifying every way a user funds their account into one seamless, fully embedded experience. Halliday Payments powers deposits for ecosystems like Story, XO Market, Stable, and MegaETH, helping them convert more users with less friction.\nBacked by a16z, #Hashed, SV Angel, and a_capital, Halliday's team includes alumni from Stanford, Harvard, Compound, Spotify, Dapper Labs, Netflix, Amazon, Stripe, and more.\nAbout the role\nAs 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.\nWhat you'll be doing\nBuild 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.\nDevelop Core Infrastructure: Build scalable components, design systems, and testing frameworks that support our payments platform and developer tools.\nShip Developer Tools: Contribute to Halliday's public SDKs and APIs, making it easy for developers to integrate blockchain payments into their applications.\nWork Cross-Functionally: Collaborate with product, design, engineering, and partnerships teams to deliver features that solve real user problems and drive product adoption.\nDrive Technical Excellence: Identify and implement improvements to enhance performance, accessibility, security, and code quality across our frontend stack.\nInnovate on Web3 UX: Push the boundaries of what's possible in blockchain user experiences, making complex onchain actions feel simple and intuitive.\nWhat we’re looking for\nFrontend Expertise: 2+ years of experience building production frontend applications with React and TypeScript. You write clean, maintainable code and care deeply about user experience.\nTechnical Proficiency: Strong understanding of modern frontend development including state management, API integration, responsive design, and performance optimization.\nProduct Mindset: You think beyond just implementing features, you understand the \"why\" behind what you're building and advocate for the best user experience.\nFast Learner: You're excited to dive into new technologies, whether that's blockchain SDKs, payment APIs, or emerging web standards.\nCollaborative Spirit: You work well with cross-functional teams, communicate effectively, and thrive in a fast-paced startup environment.\nLocation: Based in or willing to relocate to the San Francisco Bay Area or New York City.\nNice to haves\nBlockchain Experience: Previous work with blockchain technologies such as EVM-based chains, Solana, or Bitcoin. Familiarity with Web3 libraries like ethers.js, viem, or wagmi.\nPayments Background: Experience building payment flows, checkout experiences, or financial products.\nFull-Stack Capabilities: Comfort working across the stack when needed, including APIs and backend services.\nDesign Sensibility: Strong eye for design and experience working closely with designers to implement pixel-perfect interfaces.\nOpen Source Contributions: Active participation in open source projects or maintenance of public libraries.\nWhy Work at Halliday?\nA role with significant autonomy to build out the next generation infrastructure of the blockchain space.\nCompetitive compensation package, with unlimited PTO and a friendly work environment.\nFor international candidates - we offer visa sponsorship!\nCompensation\nThe base salary range for this role is $150,000 - $190,000. This reflects the minimum and maximum range across all US locations. This does not include equity or benefits.\nThe actual base pay is dependent upon many factors, such as: experience, relevant skills, and role level. 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