Product Engineer

Company Description At Fun.xyz , we believe a tokenized future is a beneficial inevitability, granting financial emancipation to everyone with an internet connection. For a blockchain-first global economy to exist, value exchange must become intuitive, secure, and seamless. Enter Checkout - the highest converting payment solution in web3. By integrating Checkout, dApps enable users to complete any on-chain action using crypto from a wallet, centralized exchange, or on-ramped fiat from a card or bank account. With access to market-leading routing and their asset portfolio at the point of sale, users are faster, stickier, and more engaged. For dApps, Checkout scales their user acquisition potential without launching new chains or integrating multiple third party providers. We built Checkout because we envision a world where anyone, anywhere, can purchase anything with any asset. If that sounds like a vision you can get behind, we want to hear from you. About The Role We’re looking for a talented Product Engineer (Mid, Senior, Staff) to join our team and help shape the future of crypto payments. Design and scale SDK software that powers Checkout across web2 and web3 environments Work across the stack on systems that balance performance, reliability, and UX Collaborate with protocol, backend, and business teams to solve complex challenges Build tools that scale globally and meet the evolving demands of on-chain payments Crypto experience is a plus, but fast learners from any technical background are welcome Required Skills And Qualifications 3+ years of engineering experience with JavaScript, TypeScript, and modern frameworks Strong understanding of full-stack development, including React and backend APIs Attention to detail in both product design and user interaction Proven track record building scalable, high-performance software Desired Qualities Familiarity with blockchain technologies and EVM-compatible networks Comfortable solving difficult technical problems in agile environments Experience working on payments, SDKs, or crypto-related systems Passion for building secure, efficient, and accessible tools What Sets You Apart You've contributed to open-source projects or built SDKs/dev tools You have shipped products from 0 to 1 in a fast-paced setting You thrive in ownership-heavy environments and pride yourself on execution You approach problem-solving with thoughtfulness, precision, and rigor Why Join Us Work on cutting-edge products that power the next era of web3 Collaborate with exceptional teammates across engineering, design, and protocol Take on meaningful ownership in a mission-driven and high-impact company Push the boundaries of what’s possible in decentralized payments Location and Work Environment This role is primarily in-person at our Midtown NYC HQ, with in-office collaboration Monday–Thursday and optional WFH Fridays. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. #J-18808-Ljbffr fun.xyz