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Smart Contract UI/UX

<h3>Position Overview:</h3>We’re seeking a detail-oriented Web3 QA Analyst 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.<h3>Responsibilities:</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>Requirements:</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>What We Offer:</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

About SapienWe'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.Join a disciplined and rigorous team building cutting-edge technology featuring gamification, beautiful UI, and a clean, well-documented codebase.The Role: Staff Web3 EngineerSapien 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.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.Key Responsibilities:* Architect, build, test, and deploy smart contracts to testnets and mainnets* Lead web3 integrations with partners and contribute to go-to-market efforts alongside the business team* Guide and review React frontend implementations that interface with smart contracts* Ensure a clean, maintainable, and well-tested codebase* Support cross-functional teams with technical decision-making and unblock teammates when neededAn ideal candidate will:* Operate independently and confidently at a senior level, while collaborating effectively with designers, engineers, and product leads* Have deep experience with smart contract development (Solidity or similar) and familiarity with security best practices* Be highly proficient in full-stack engineering, including backend development and working with relational databases like Postgres* Have a strong eye for UI/UX and be able to make informed design and implementation decisions when specs are incomplete* Know how to balance speed and quality, delivering clean code that’s tested and documented* Understand the performance implications of frontend/backend architecture and build responsive, performant applications* Be a clear communicator who knows when to ask questions, raise flags, or offer guidanceWhy Join Sapien?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.Apply now to become a key player in advancing Sapien’s mission!

Staff Web3 Engineer

Build Excellence with Treehouse Labs!Looking to keep your options open as you browse opportunities in the digital assets space? Join the Treehouse Labs Talent Pool!At Treehouse Labs, we’re building revolutionary products that empower the world to navigate the complexities of digital assets with confidence.  At present, Treehouse Labs is home to the Treehouse Protocol, a decentralized fixed income layer, and TRHX, a professional arm dedicated to digital assets research and powerful portfolio management tools. By joining our Talent Pool, you'll be first in line to be considered for upcoming opportunities that match your skillset and experience, and have a chance to join a supportive team in making a real impact.Eligible Roles We have a wide range of opportunities across various functions. You could be a great fit for one of our following teams:<ul><li>Engineering<ul><li>Backend Developer (Golang),Frontend Developer (React.JS),DevOps Engineer,QA/QC Engineer</li><li>Smart Contract Engineer (Solidity, Rust)</li><li>Data and Quantitative Engineer</li></ul></li><li>Product<ul><li>Product Manager</li><li>UI/UX Designer</li><li>Blockchain Protocol Analyst</li><li>Project Mangamer</li></ul></li><li>Marketing</li><li>Research </li><li>Strategy & Business Development</li><li>Corporate<ul><li>HR ,Ops and Finance Executive</li></ul></li></ul>Is This You?We’re looking for people who resonate with our values and work ethic. You would be the perfect fit if you:<ul><li>Embrace a startup mindset: You thrive in fast-paced, innovative environments, you are adaptable and love tackling new challenges.</li><li>Have a Passion for Blockchain/Crypto: You’re excited about the possibilities within the blockchain and crypto space, and are motivated in learning more.</li><li>Strive for Excellence:  Never settle for less, take initiative and challenge the status quo to push the boundaries of success.</li></ul>Office Locations: Singapore (HQ) or Ho Chi Minh City, Vietnam

Treehouse Talent Pool

Singapore Dollar

Singapore

Asia/Singapore

Web3Auth is a VC-backed company that works on applied cryptography and we specialize in private key management software. Our company vision is to proliferate the usage of cryptographic keys to enable use cases that empower the individual. Our solution allows for applications to set up a public key infrastructure while maintaining flows that end-users are familiar with. You can (git) check out all of our open-source code at <a href="https://github.com/torusresearch" rel="noopener noreferrer nofollow ugc" target="_blank">https://github.com/torusresearch</a>. We’re heavily execution-driven, flexible and impact-focused.Our aim is to provide a seamless user experience to the applications that integrate us, ultimately driving adoption in the ecosystem. <h3>Responsibilities</h3><ul><ul><li>Architect, design and develop high-impact and aesthetically pleasing user interface for our products</li><li>Contribute and apply new technologies and best practices to our growing design system & UI library</li><li>Collaborate with the UI/UX team to find elegant solutions to complex problems</li><li>Analyze the performance of layers in frontend and engineer designs/code to solve them</li><li>Contribute to end-to-end system architecture, working with cross-functional teams</li><li>Integration of smart contracts with React interface written in Typescript</li><li>Integration of common wallet providers</li></ul></ul><h3>Skills and Qualifications</h3><ul><ul><li>BSc in Computer Science, Engineering or relevant field</li><li>Min 4 years of experience in software engineering, especially in UI development, and 2 years of experience working with smart contracts and web3 frontend stack</li><li>Strong knowledge in Javascript, especially React and Vue, and smart contract</li><li>Knowledge in solidity is a huge plus </li><li>Problem-solving attitude </li><li>Collaborative team spirit and contribution to any open-source distributed platforms or blockchain will be a plus</li><li>Knowledge of account abstraction tooling and standards is a huge plus</li></ul></ul>What we offerWe offer competitive salaries and a dynamic, fast-paced work environment. If you are passionate about creating impact and itching to gain exposure in blockchain technology, we encourage you to apply!

Senior Software Engineer (Wallet Services)

Metaschool produces courses for devs to build, ship, and learn Web3.We’re a decentralized, remote-first company with teammates based in Singapore, India and Pakistan (for now😜). We are divided by borders, but our common mission to help developers build and flourish in the web3 ecosystem has brought us very close.Our Values         🏗 Buidl dope shit! - We care about what you have built, not your degrees or FAANG experience.        🌈 Stay weird -  Own yourself, be yourself! Diversity is our strength!          🏔 Improve daily - Daily efforts compound. Don’t underestimate them.        ☝ Developers come first - We are building for devs. Put them first, always!        📝 Learners for life - Leave your ego outside, learn whenever you can.        🤝 Collaborate to win - If you want to go far, collaborate and go with a team.The Role:Metaschool is looking for a UI/UX Designer to join our team. We are on a mission to create an intuitive and user-friendly experience for our users, and we need your help to make it happen.Key Responsibilities<ul><li>Design and develop user interfaces for our web3 platform.</li><li>Create wireframes, mockups, and interactive prototypes to communicate design ideas.</li><li>Work closely with the product and development teams to ensure the final designs meet user needs and business goals.</li><li>Conduct user research and testing to gather feedback and improve the user experience.</li><li>Keep up to date with the latest design trends and technologies to ensure our platform stays modern and competitive.</li></ul>Requirements<ul><li>4+ years of experience in UI/UX design, with a portfolio of relevant work.</li><li>Strong understanding of web3 and blockchain technology.</li><li>Strong understanding of design principles and front-end technologies, such as HTML, CSS, and JavaScript.</li><li>Experience with design tools such as Figma, Sketch, Adobe XD, etc.</li><li>Strong problem-solving skills, attention to detail, and ability to work independently.</li><li>Strong communication and collaboration skills, as you will be working closely with a cross-functional team.</li><li>Bonus: experience with smart contract development and blockchain wallets like MetaMask, Trust Wallet.</li></ul>PerksAt Metaschool, you'll have exposure to all aspects of building a company. Additional perks include:🔮 Competitive salary 🔮 Generous equity 🔮 Health insurance 🔮 Paid time off 🔮 Workstation allowance 🔮 Tech subscriptions 🔮 An amazing team!We can’t wait for you to join our data-driven mission of developer empowerment!

UI/UX Designer

Web3 Smart Contract UI/UX jobs and other crypto companies

Browse many opportunities Web3 Smart Contract UI/UX Jobs at. Apply now. updated July 2026!

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
T Treehouse Talent Pool	Treehouse Labs		📍 Singapore, [object Object]	Web3ResearchDeveloperMarketing
Senior Software Engineer (Wallet Services)	Web3Auth		📍 HQ	Web3DeveloperEngineeringUI/UX
UI/UX Designer	Metaschool		📍 Singapore	Web3RemoteResearchDeveloper

Web3 Smart Contract UI/UX Jobs

Expired Smart Contract UI/UX Jobs.

Past and filled jobs:

Web3 QA Analyst - Tester

PRDT Finance

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