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<h3><strong>Position Overview:</strong></h3><p>We’re seeking a detail-oriented <strong>Web3 QA Analyst</strong> to test and validate new features, UI/UX flows, and integrations across our dApp. You’ll work closely with our developers and product team to identify bugs, test edge cases, and ensure the user experience remains seamless across all supported chains.</p><h3><strong>Responsibilities:</strong></h3><ul><li>Conduct manual and automated testing of new platform features before release</li><li>Test user flows </li><li>Reproduce and document issues with clear steps, screenshots, or screen recordings</li><li>Collaborate with the dev team to verify bug fixes and re-test resolved issues</li><li>Ensure cross-browser and cross-chain compatibility (MetaMask, Phantom, Trust Wallet, etc.)</li><li>Provide feedback on UI/UX consistency and performance</li></ul><h3><strong>Requirements:</strong></h3><ul><li>1–3 years of QA or testing experience (Web3 experience preferred)</li><li>Familiarity with blockchain dApps, wallets, and EVM/Solana environments</li><li>Understanding of smart contract interactions and transaction flows</li><li>Basic knowledge of Chrome DevTools or console debugging</li><li>Strong attention to detail and ability to document issues clearly</li><li>Excellent communication skills and reliability in meeting deadlines</li></ul><h3><strong>What We Offer:</strong></h3><ul><li>Flexible remote work</li><li>Competitive pay (based on experience and performance)</li><li>Work directly with the founding and dev team of a live, established dApp</li><li>Opportunity to grow into a long-term QA or Product role as the project scales</li></ul>

Web3 QA Analyst - Tester

<p><strong>About Sapien</strong></p><p>We're not just building a company; we're creating new opportunities in AI development and data labeling. You'll play a key role in shaping the future of how humans and AI collaborate.</p><p>Join a disciplined and rigorous team building cutting-edge technology featuring gamification, beautiful UI, and a clean, well-documented codebase.</p><p><strong>The Role: Staff Web3 Engineer</strong></p><p>Sapien is seeking a Staff Web3 Engineer to take a lead role in architecting and accelerating the development of our blockchain-integrated systems. This is an ideal opportunity for a senior engineer who thrives in a fast-moving, remote-first environment and values both ownership and collaboration.</p><p>We’re looking for a full-stack expert with deep experience in smart contract development (EVM) and web2/database-driven applications. You’ll help drive technical strategy, mentor developers, and ensure smooth integration between smart contracts, APIs, and frontend experiences.</p><p><strong>Key Responsibilities:</strong></p><p>* Architect, build, test, and deploy smart contracts to testnets and mainnets</p><p>* Lead web3 integrations with partners and contribute to go-to-market efforts alongside the business team</p><p>* Guide and review React frontend implementations that interface with smart contracts</p><p>* Ensure a clean, maintainable, and well-tested codebase</p><p>* Support cross-functional teams with technical decision-making and unblock teammates when needed</p><p><strong>An ideal candidate will:</strong></p><p>* Operate independently and confidently at a senior level, while collaborating effectively with designers, engineers, and product leads</p><p>* Have deep experience with smart contract development (Solidity or similar) and familiarity with security best practices</p><p>* Be highly proficient in full-stack engineering, including backend development and working with relational databases like Postgres</p><p>* Have a strong eye for UI/UX and be able to make informed design and implementation decisions when specs are incomplete</p><p>* Know how to balance speed and quality, delivering clean code that’s tested and documented</p><p>* Understand the performance implications of frontend/backend architecture and build responsive, performant applications</p><p>* Be a clear communicator who knows when to ask questions, raise flags, or offer guidance</p><p><strong>Why Join Sapien?</strong></p><p>At Sapien, you’ll be part of a vibrant and innovative team dedicated to making a real impact in the AI ecosystem. We value creativity, autonomy, and craftsmanship. As a Staff Engineer, your contributions will shape the direction of our technology and culture. If you’re passionate about building scalable, elegant systems at the intersection of web2 and web3, we’d love to hear from you.</p><p>Apply now to become a key player in advancing Sapien’s mission!</p>

Staff Web3 Engineer

<p><strong>About Us</strong></p><p>Legitimate connects physical products to digital experiences that extend customers’ relationship with the most culturally relevant brands. Leveraging near-field communication technology (NFC) and blockchain infrastructure, Legitimate has enabled world-renowned brands and companies to create compelling connected products that help brands secure product authenticity and extend digital experiences to physical product and merchandise. Some of the brands and companies that trust Legitimate include PUMA, Adidas, ROC Nation, Timberland, and more.</p><p><strong>About The Role</strong></p><p>As our Lead Developer you will lead a product engineering team of 3-5 people, manage sprints, and be responsible for the technical delivery of projects as well as engineering processes and initiatives. You will also contribute code, review pull requests, and provide feedback for designs. </p><p>You are a self starter who likes to innovate, and will collaborate closely with our cross-functional team to deliver seamless and intuitive user experiences in Web2 and Web3. Our team is small and everyone makes an outsized impact in the company.</p><p>Our team is currently spread between North America and Asia. As this position is remote and meetings are regularly scheduled in the US time zones, some flexibility in meeting hours will be required. You’ll also enjoy traveling a few times a year for onboarding, in-person planning sessions, and client support.</p><p><strong>Your Daily Focus</strong></p><ul><li class="ql-indent-1"><strong>Lead and Mentor our Product Engineering Team: </strong>Manage sprints, workflows, team processes, specifications, and delivery timelines.</li><li class="ql-indent-1"><strong>UI Development: </strong>Design and implement user interfaces for B2B and consumer applications, ensuring a responsive and visually appealing UX across all devices. </li><li class="ql-indent-1"><strong>Cross-Browser Compatibility: </strong>Ensure compatibility across different browsers and devices to deliver a consistent user experience.</li><li class="ql-indent-1"><strong>User Feedback Integration:</strong> Collaborate with the product & design team to incorporate user feedback and continuously iterate on the UI for optimal user satisfaction.</li><li class="ql-indent-1"><strong>Systems Architecture: </strong>Improve the speed, reliability, and usability of our Legitimate platform while minimizing cost and complexity. Balance decentralization and on-chain transactions with conventional frontends and backends for optimal performance and scalability.</li><li class="ql-indent-1"><strong>Web3 and Smart Contract Integration: </strong>Integrate smart contracts and blockchain functionality into the frontend and backend, providing both our business users and their customers with seamless on-chain transactions while abstracting the complexity of blockchain.</li></ul><p><strong>Your Background</strong></p><ul><li class="ql-indent-1"><strong>Experience: </strong>6+ years of experience in full stack software development including 2 years of team lead or management experience (2+ years in Web3)</li><li class="ql-indent-1"><strong>Technical Proficiency: </strong>Mastery in JavaScript, HTML, CSS, and experience with the React framework and related tooling. Experience with Node.js, Express, Ruby on Rails, or other similar backend frameworks is also required.</li><li class="ql-indent-1"><strong>UI/UX: </strong>Understanding of user interface design principles and a strong eye for detail.</li><li class="ql-indent-1">Adaptability: Ability to adapt to a fast-paced startup environment and quickly learn and apply new technologies.</li><li class="ql-indent-1"><strong>Collaboration:</strong> Strong collaboration and communication skills, comfortable working in a cross-functional team with tight deadlines.</li><li class="ql-indent-1"><strong>Web3 Tools: </strong>Experience with Web3 libraries (e.g. <a href="http://ethers.js/" rel="noopener noreferrer nofollow ugc" target="_blank">ethers.js</a>, viem) and familiarity with blockchain wallet integrations such as WalletConnect.</li><li class="ql-indent-1"><strong>Web3 Security:</strong> Implement best practices for secure frontend and backend development in the context of decentralized applications.</li><li class="ql-indent-1"><strong>Nice to have: </strong>Passion for fashion, music, sports, the arts and the application of blockchain in NFC technology.</li><li class="ql-indent-1">of blockchain.</li></ul><p><strong>Tech Stack</strong></p><ul><li class="ql-indent-1">React/Next.js, Ruby on Rails and Node.js</li><li class="ql-indent-1">Our web3 usage consists of Solidity contracts running on EVM compatible chains such as Avalanche, Polygon, and Ethereum.</li><li class="ql-indent-1">Our NFC tag programming apps are built with Electron for Mac and Windows, and React Native for iOS and Android.</li></ul><p><strong>Why Work For Legitimate Tech </strong></p><p>Build the future of Web3 consumer applications by enabling brands creators and their customers to tap into  cutting-edge connected product technology, driving seamless product authentication and enabling hyper-creative marketing and product executions.</p><p>As our Tech Lead, you’ll be shaping the future of our B2B2C platform working with well known brands such as Adidas, Puma, Gildan, Timberland, and more. You will be an active mentor and lead the growth of the team alongside our product. </p><ul><li>Work in a fully remote, distributed and high performing team with access to knowledge sharing.</li><li>Medical and Dental coverage for (US employees) 401k with matching (US employees)</li><li>Flexible Paid Time Off and Travel Opportunities</li><li>Please note - ﻿We cannot sponsor H1B or any work visas for the United States. </li></ul><p>We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.</p>

Web3 Lead Developer (Fullstack)

<p>Русский язык обязателен.</p><p>Требования к кандидату: знание криптовалют, дексы, локеры, снайперы, байботы - иметь представление об этом. </p><p>Обязательно:</p><p>Опыт:</p><p>Стек MERN;</p><p>Next.js;</p><p>EVM Chains, Solana Chain;</p><p>Solidity;</p><p>Uniswap SDK, Raydium SDK;</p><p>Telegram боты: Telegraf.js;</p><p>Уровень: исключительно сеньор.</p>

Fullstack Blockchain Developer

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<div>As a full-stack developer, you will be working directly with the CEO and his team of experienced engineers on product development. You&rsquo;ll have an opportunity to work across frontend + web3 integrations as well as backend applications (such as building SDKs).</div>
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<div>Build frontend components for Fuse business tools and mobile wallet infrastructure.</div>
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<div>Link frontend components to our smart contracts using web3 libraries.</div>
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<div>Work in close collaboration with the team on product architecture and design.</div>
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<div>Experience working with Figma and UI/UX experience more generally.</div>
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Job Title	Company Name	Salary	Location	Tags
Web3 QA Analyst - Tester	PRDT Finance	500-1000/month	Remote	RemoteWeb3AnalystUI/UX
Staff Web3 Engineer	Sapien		Remote	RemoteWeb3DeveloperEngineering
Web3 Lead Developer (Fullstack)	Legitimate Tech		Remote	EngineeringWeb3Full TimeSenior
Fullstack Blockchain Developer	Deluge.Cash		Remote	Full TimeWeb3DeFiUI/UX
Full-Stack Developer	Fuse Network		Remote	DeveloperUI/UXWeb3EVM

Web3 EVM UI/UX Jobs

Expired EVM UI/UX Jobs.

Past and filled jobs:

Web3 QA Analyst - Tester

PRDT Finance

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