Senior QA Engineer - Web3 Wallet

Join Binance, a pioneering leader in the blockchain ecosystem, as a Senior QA Engineer specializing in Web3 Wallet. In this role, you will play a crucial part in ensuring the quality and security of our innovative digital wallet solutions. Collaborate with cross-functional teams to develop and implement robust testing strategies while enhancing user experien…

Join Trust Wallet as a Senior Android / Kotlin Engineer specializing in Web3 trading solutions. In this remote role, you will be instrumental in developing and enhancing our trading platform, ensuring a seamless user experience and high-performance applications.As part of our innovative team, you will leverage your expertise in Kotlin and Android development to drive the evolution of our product offerings in the rapidly growing Web3 ecosystem.

Join Trust Wallet as a Senior Frontend Engineer in the exciting realm of Web3 trading! We are looking for talented individuals to help us build a seamless and efficient trading experience for our users. You will play a pivotal role in designing and implementing user-friendly interfaces that meet the needs of our global user base.

Join Binance, the premier global blockchain ecosystem and the largest cryptocurrency exchange by trading volume. As a Frontend Engineer specializing in Web3 Wallets, you will be integral to our mission of creating a multi-chain decentralized exchange (DEX) data analytics and trading platform. Your work will directly contribute to delivering unparalleled trading experiences and competitive pricing across various blockchains. At Binance, we are committed to leveraging digital assets and blockchain technology to enhance financial access and foster a more inclusive financial landscape for users worldwide.

Join Trust Wallet as a Senior Full Stack Engineer and be at the forefront of Web3 product innovation. We are seeking an experienced engineer who is passionate about building cutting-edge solutions in the decentralized finance space. You will collaborate with a diverse team of experts to design, develop, and implement scalable applications that enhance user experience.Your role will involve working with both front-end and back-end technologies, ensuring seamless integration of various components. You will also have the opportunity to contribute to open-source projects and engage with the community to drive innovation.

Join OKX as a Staff/Senior Staff Engineer focused on advancing our Web3 Wallet technology. In this role, you will be at the forefront of building robust backend infrastructure for our Account Abstraction (AA) Wallet and developing essential services for products like OKX Pay and CeDeFi Wallets. Collaborate with a talented team to innovate and enhance user experiences in the rapidly growing crypto ecosystem.

Join Trust Wallet as a Senior Data Analyst in the exciting field of Web3! In this remote role, you will analyze complex data sets to provide actionable insights that will help drive our strategic initiatives and enhance user experience. You will collaborate with cross-functional teams to understand data requirements and develop analytical solutions that empower our decision-making processes.

About Trust WalletTrust Wallet stands as the premier non-custodial cryptocurrency wallet, earning the trust of over 200 million users worldwide in securely managing and expanding their digital assets. Our vision is to empower individuals with the freedom to own their assets, confidently engage in the evolving economy, and seize opportunities that enrich their lives. We aim to be a trusted personal companion for users, guiding them through the realms of Web3, the on-chain economy, and the emerging AI-enhanced landscape. Supporting over 10 million assets across more than 100 blockchains, Trust Wallet delivers a seamless, multi-chain experience, backed by top-tier self-custody technology, an active community, and a thriving ecosystem of partners.Job OverviewDesign and enhance user flows, wireframes, and high-fidelity mockups for Trust Wallet's innovative products and features.Conduct user research to uncover insights into user needs, behaviors, and preferences, utilizing this knowledge to drive design strategies.Partner with product managers to define and prioritize features, ensuring alignment with user expectations and business goals.Guide and mentor junior designers, offering constructive feedback and support to foster their professional growth.Collaborate closely with engineering teams to ensure the flawless implementation of design solutions while upholding high standards of quality and consistency.Engage in design critiques to contribute to the ongoing enhancement of the team's design methodologies and outputs.

Join Binance as a Lead Security Engineer specializing in Web3 Wallet and DeFi solutions. You will play a crucial role in enhancing the security framework of our decentralized finance products and Web3 wallet technologies. Collaborate with cross-functional teams to identify vulnerabilities and implement robust security measures that protect our users and their assets.

Join the innovative Binance Wallet team, where we are pioneering a decentralized platform that revolutionizes the digital asset landscape. Our focus on on-chain infrastructure, self-custody wallets, decentralized exchanges (DEX), and decentralized earning opportunities empowers users with unparalleled control over their assets. Engage in seamless token trading across various blockchains while contributing to a strategic initiative that enhances our centralized exchange (CEX) operations, presenting remarkable growth prospects. Be a part of this transformative journey and help shape the future of finance.

ABOUT USAt Xsolla, we are a pioneering global commerce company dedicated to empowering game developers with comprehensive tools and services that tackle the unique challenges of the video game industry. From indie developers to major AAA studios, our partners leverage Xsolla's expertise to secure funding, distribution, marketing, and monetization strategies for their games. With an unwavering commitment to the future of gaming, we are on a mission to connect opportunities and continuously provide innovative resources for creators. Headquartered in Los Angeles, California, Xsolla proudly serves as the merchant of record, assisting over 1,500 game developers in expanding their reach and growing their businesses globally. Our extensive range of profit opportunities ensures that developers have everything they need to succeed in the gaming landscape.For more information, visit xsolla.com.ABOUT YOUWe are seeking a highly skilled Senior QA Engineer with extensive Web3 experience to join our dynamic engineering team. You possess a keen eye for detail, a strong technical acumen, and a genuine curiosity about decentralized technologies. You are well-versed in the intricacies of blockchain interactions, wallet integrations, smart contract functionality, and hybrid on-chain/off-chain systems.In a fast-paced, agile environment, you excel at proactively ensuring quality—anticipating risks, validating distributed systems, and crafting seamless user experiences for Web3-enabled features. You are proficient in manual testing, comfortable with API-level validation, and enthusiastic about incorporating AI-driven testing tools to enhance coverage, speed, and defect detection.If you are passionate about shaping quality practices for blockchain-enabled products and defining the future of Web3 experiences for millions of users, we would love to connect with you.

Take charge of designing, developing, and iteratively enhancing the Web3 mobile wallet Android client.Engage actively in the implementation of essential wallet features, including asset management, trading, DApp connectivity, and NFT presentation.Work collaboratively with backend engineers to seamlessly integrate APIs, ensuring secure and efficient data handling.Focus on continuous performance optimization, enhancing user experience, and maintaining application security and stability.Produce high-quality, maintainable code along with comprehensive technical documentation.

Are you a passionate QA Engineer who enjoys working on the front-end? Do you excel in manual testing, test automation, and problem-solving to ensure top-notch releases? Join us as we create the next generation of iGaming products utilizing the innovative potential of Web3 technologies.We seek a dedicated individual who can take charge of maintaining quality across our front-end systems, helping us uphold high standards while minimizing manual testing efforts.

Are you an enthusiastic QA Engineer with a passion for back-end systems? Do you excel in manual testing, automation, and problem-solving while ensuring the highest quality of software releases? If so, we invite you to join us in shaping the future of iGaming products and brands by harnessing the innovative potential of Web3 technologies. We are seeking a dedicated professional who will take charge of quality assurance in our back-end systems, helping us uphold exceptional standards while minimizing manual testing efforts. Your Role Will Involve: Serving as the primary Quality Engineer for our Original Games. Conducting manual tests and proactively advocating for the highest quality benchmarks. Developing, maintaining, and enhancing our automated testing frameworks utilizing cutting-edge tools and best practices aligned with our architectural guidelines. Identifying coverage gaps in testing across both front-end and back-end systems and implementing necessary improvements. Instilling a Quality-Built-In philosophy by collaborating closely with engineers and proposing enhancements. Directly contributing to our codebase, enacting changes that improve robustness and accelerate time-to-market. Working in conjunction with CI/CD pipelines, enhancing release automation, and optimizing tooling.

Senior / Lead QA Analyst - Web3 About Us At Octant Labs, we are an innovative and rapidly expanding Web3 startup focused on developing cutting-edge products and infrastructure to shape the future of internet finance. Our mission is to deliver secure, scalable, and user-friendly solutions that empower communities globally. We are in search of a Senior / Lead QA Analyst to spearhead our QA strategy, enhance automation, and ensure our products consistently achieve the highest quality standards. Role Overview As a Senior / Lead QA Analyst, you will have a crucial role in maintaining the quality, reliability, and security of our decentralized applications. Your responsibilities will include defining and executing our QA strategy across various Web3 systems, from smart contract integrations to front-end decentralized applications (dApps). You will also be responsible for scaling automation frameworks and integrating testing into our CI/CD pipelines. This is a hands-on and strategic role where you will lead test planning and automation efforts, establish quality benchmarks, and mentor team members to ensure each release meets exceptional standards of usability and trust. Key Responsibilities Define and implement the overall QA strategy, focusing on automation coverage, quality metrics, and release readiness criteria. Design, execute, and maintain automated test frameworks for web, mobile, APIs, and smart contract integrations. Integrate automated testing into CI/CD pipelines (e.g., GitHub Actions) to facilitate continuous delivery. Lead test planning, execution, and reporting for major releases, covering functional, regression, integration, performance, and security testing. Collaborate with product managers and engineers to set acceptance criteria and ensure testability of requirements. Develop tools and processes for cross-browser, cross-device, and wallet integration testing. Establish and advocate for QA best practices across teams. Mentor fellow QA engineers/analysts, offering guidance on automation, bug triage, and process improvements. Work closely with DevOps to enhance release pipelines and quality gates. Required Skills 5+ years of experience in QA/software testing (including 2+ years in the Web3 domain), with at least 2+ years in a senior or lead capacity. Proven experience in building and scaling test automation frameworks (e.g., Cypress, Playwright, Selenium, Puppeteer). Strong background in CI/CD integration for automated testing pipelines. Familiarity with Web3 technologies, including smart contracts and wallets (e.g., MetaMask, WalletConnect).

At OKX, we are on a mission to redefine the future of cryptocurrency by making it accessible to everyone. We are looking for a talented Senior Product Designer to lead the design of our Web3 Wallet products. In this role, you will be responsible for crafting exceptional user experiences, owning transaction workflows, and optimizing data displays. Join our innovative team and contribute to shaping the future of decentralized finance!

Join our dynamic Payments & Wallet team (also affectionately known as PAW ) at Coinhako, where we spearhead innovation in asset management, compliance, and On-chain Services & Integrations (Superwallet).In this pivotal role as a Senior Engineer, you will architect, develop, and maintain high-performance services that underpin our payments and wallet infrastructure. Collaborate with cross-functional teams to ensure seamless system integrations, optimize transaction workflows, and enhance platform reliability and scalability.

Mesh is building technology to make cryptocurrency payments practical for everyday use. The company’s orchestration engine and consumer app help unlock liquidity from tokenized assets, aiming to support global commerce. Mesh is headquartered in San Francisco and operates internationally, with backing from investors including PayPal Ventures, Paradigm, and Galaxy Ventures. Role overview The Senior QA Automation Engineer leads quality engineering across Mesh’s development lifecycle. This position designs and maintains automation frameworks, sets quality standards, and works to embed quality into every stage of product development. Collaboration is key: expect to work closely with engineers, product managers, and designers to deliver reliable Web3 experiences. Teams span North America, Europe, and India. What you will do Design, build, and maintain end-to-end test automation frameworks using tools such as Playwright. Create test strategies that cover the full stack, including UI, APIs, smart contract interactions, and wallet flows. Develop and maintain tests for Web3 user journeys, such as wallet connections, transaction signing, contract interactions, and on-chain state checks. Integrate automated test suites into CI/CD pipelines and monitor their health over time. Use AI-driven development tools (for example, Copilot, Cursor, Claude) to accelerate test writing and framework development, and share best practices with the team. Identify gaps in test coverage, set priorities, and drive ongoing improvement. Promote a culture of quality within engineering. Stay current with new testing tools, frameworks, and developments in the Web3 space. Requirements At least 7 years of experience in QA engineering, with a strong focus on automation. Extensive hands-on experience with Playwright and/or Cypress. Familiarity with other tools such as WebdriverIO, Selenium, or Puppeteer is a plus. Proficiency in automation frameworks and quality assurance best practices (additional technical requirements were not specified in the source). Location This position is based in San Francisco, CA, and involves collaboration with Mesh’s distributed teams.

Responsibilities:Design and implement solutions for systems related to trading, risk management, asset management, and clearing within the Digital Asset Management platform.Maintain, upgrade, transform, and optimize the performance of existing systems.Adopt a holistic architectural approach, providing forward-thinking design for various modules.Lead critical projects and engage in overcoming technical challenges.Requirements:Bachelor's degree or higher in Computer Science or a related engineering field, with a minimum of 5 years of relevant experience.Expertise in one or more programming languages: Go, C/C++, or Java; a willingness to learn Go is necessary if not already familiar.Knowledgeable in network programming and Linux OS, with a strong grasp of data structures and algorithms.Proficient in commonly used databases and components such as MySQL, Redis, and Kafka.Strong analytical and problem-solving skills, with a commitment to teamwork and accountability.Familiarity with distributed system design and experience in developing high-concurrency, high-availability systems.Experience in development and design within the financial sector is preferred.Nice-To-Have:Experience in financial products or the digital asset industry is a plus.Fluency in both English and Chinese; experience in supporting global operations is advantageous.

Join Binance, the world's premier blockchain ecosystem that powers the largest cryptocurrency exchange by trading volume and user base. With a trusted community of over 300 million users across more than 100 countries, we are at the forefront of innovation in security, transparency, trading speed, liquidity, and an extensive portfolio of digital asset solutions. Our offerings encompass trading, finance, education, research, payments, institutional services, and Web3 capabilities, all geared towards creating a more inclusive financial ecosystem that champions the freedom of money and enhances financial accessibility globally.The Binance Wallet team is on a mission to develop a decentralized version of Binance, integrating robust on-chain infrastructure, self-custody wallets, a decentralized exchange (DEX), and innovative earning solutions. We empower users with absolute control over their assets, facilitating seamless token trading across various blockchains. This Web3 initiative not only broadens our strategic horizons but also complements our centralized exchange (CEX) business, presenting substantial growth opportunities. Become a part of this dynamic journey with us!