\nThe Uniswap Labs team is building products to unlock value through universal exchange. We envision a future where digital economies flourish, and markets are transparent, global, and equitable.\n\nOur products – the Uniswap Interface, the Uniswap Mobile App, and the Uniswap Extension – are powered by the Uniswap Protocol.  The protocol is the largest onchain marketplace, with billions of dollars in weekly volume across thousands of tokens on Ethereum and 8+ additional chains.\n\nWhen you join Uniswap, you become part of a team that's reshaping the way value flows on the internet.\n\nWe’re looking for an enthusiastic, self-motivated engineer to help us build the next generation of financial products. This role’s primary focus will be on the Uniswap Wallet suite of products, which consists of mobile apps on iOS and Android as well as our new browser extension. Our products live in a monorepo and are built using React Native for Web to enable maximal code sharing between them.\n\nAs a Staff Engineer at Uniswap, you will be expected to drive a large degree of impact by being involved in multiple key projects, exemplify engineering excellence, and be a strong source of mentorship for more junior engineers. You will be responsible for ensuring a consistent, high-quality user experience across these interfaces and will have the ability to influence the creation, design, and execution of future products and features. \n\nWe are headquartered in SoHo in New York City and this role has the option to be partially or fully remote.\nResponsibilities\n\n\n* Work across client, server, architecture, and infrastructure that powers our wallet products\n\n* Take charge of driving strategic technical initiatives across engineering pods that impact the entire engineering organization\n\n* Play a leading technical role in multiple large, impactful projects\n\n* Rapidly implement functional UI elements from design mocks, with an eye toward performance and accessibility and ensure that components are functional, elegant, and performant\n\n* Know when to create abstractions vs. one-off features\n\n* Provide mentorship and feedback to other engineers on the team through both code and design doc reviews\n\n\n\nRequirements\n\n\n* 8+ years of software engineering experience\n\n* A deep understanding of the architecture of modern client-side React Native applications\n\n* Proven individual contributor or previously a Tech Lead with experience planning and leading end to end large projects with long-term impact on one or more systems or a team\n\n* Familiarity with the web3 frontend stack (e.g., ethers.js, web3.js, viem)\n\n* Experience with TypeScript\n\n* Experience working fullstack\n\n* A desire to keep up with modern best practices in web/mobile development\n\n\n\nNice to Have\n\n\n* Experience in native mobile (e.g., Swift, Kotlin)\n\n* Experience with React Native for Web\n\n* Degree in computer science\n\n* Prior experience creating a design system or component library\n\n* Love for unicorns :)\n\n\n\n\nMinimum full-time salary of $220,000-$260,000. Disclosure in accordance with New York City's Pay Transparency Law. Full Time employees at Uniswap Labs are also eligible for other compensation elements, including equity, tokens, and benefits, dependent on the position type.\n\nUniswap Labs' Full-Time employee benefits include company-paid medical, dental, & vision for you and your dependents, gym subsidy, 401(k) participation, annual $1,500 education stipend, unlimited and encouraged time off, up to 16 weeks paid parental leave, home office setup stipend for remote employees and daily lunches at NY headquarters (all benefits are subject to applicable taxes and based on eligibility).\n\nUniswap Labs is committed to diversity in our workforce and is proud to be an Equal Opportunity Employer (EEO). We provide employment opportunities without regard to age, race, color, ancestry, national origin, religion, disability (including gender dysphoria and similar gender-related conditions), sex, gender identity or expression, sexual orientation (including actual or perceived heterosexuality, homosexuality, bisexuality, and asexuality), veteran status, military status, domestic violence victim status, reproductive health decision making or any other protected category. In addition, Uniswap Labs participates in E-Verify. You can view the E-Verify poster here and the Right to Work poster here.  \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to React, Design, Web3, Mobile, Junior and Engineer jobs that are similar:\n\n $60,000 — $110,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nNew York City, New York, United States

\nMercari is Your Marketplace. We make it super easy to sell (or buy) almost anything. We all have things we don’t use, never used or simply outgrew. But that stuff still has value. Mercari gives you the power to simply sell it, ship it, and earn some cash for it. Fashion to toys. Sporting goods to electronics. All the brands you know and love. Our mission is simple: to make selling easier than buying. And with 50M+ downloads in the U.S. and 350k+ new listings every day, we're just getting started.\n\nAs Senior QA Engineer, you will be responsible for leading projects within Agile teams across multiple geographical locations and helping us ensure the most comprehensive test coverage, execution, and timely delivery of product.\n\nWhat you'll do:\n\n\n* Be a subject matter expert - have a deep understanding of a particular process, function or technology and provide mentorship on the subject to junior engineers\n\n* Take a leadership role at the feature definition stage by working with Product and Engineering organizations  to ensure that JIRA stories are well-defined, have clear acceptance criteria, and are correctly estimated\n\n* Create and execute test plans and test cases based on user stories and technical design documents, and escalate urgent issues to QA leadership on a timely basis\n\n* Identify gaps in functional requirements/specifications and suggest improvements\n\n* Trigger or triage automation tests within Mercari's automation framework\n\n* Collect, analyze, and report team and project Quality metrics\n\n* Participate in all phases of SDLC including requirements gathering and definition, design, development, testing, delivery, and support, while working within cross-geo team\n\n* Perform manual exploratory, functional, regression, integration, and acceptance testing\n\n* Enforce software engineering best practices to ensure continuous improvement in the software development process.\n\n* Report high-quality issues with reproducible steps, screenshots, and relevant information\n\n* Prioritize and escalate top incoming issues, while also prioritizing backlog issues to reduce technical debt and improve UX\n\n\n\n\nWhat You'll Need:\n\n\n* BS/MS in Computer Science, Computer Engineering or equivalent experience\n\n* 7+ years experience with QA methodologies and software testing techniques and tools\n\n* Demonstrated experience with one or more object-oriented programming languages (Java, Python, Objective C, etc…)\n\n* Solid experience with Selenium Webdriver automation with Java, Python, or Cypress/Detox\n\n* Extensive manual testing experience with Android or iOS and familiarity with respective platform UI standards\n\n* Experience with testing and using REST APIs\n\n* Experience with Git or other source control tools and a good understanding of Version control, merging, branching\n\n* Experience with Jenkins/CircleCI or other continuous integration and deployment tools\n\n* Experience with JIRA, TestRail, Fabric, IntelliJ or Eclipse and Slack\n\n* Hands-on experience with Agile methodologies, including Scrum and Kanban\n\n* Demonstrated experience in leading QA efforts on large-scale software projects or deliverables\n\n* Thorough understanding of software development, project management, and QA methodologies\n\n* Ability to document and troubleshoot issues \n\n* Strong customer focus and interest in delivering great customer experience\n\n* Must be a self-starter, able to work collaboratively in a team environment and mentor others\n\n* Must have a passion for improving user experience\n\n* Ability to lead by example, negotiate, and persuade effectively\n\n* Excellent written and oral communication skills\n\n\n\n\nNice to have:\n\n\n* Experience with buying and selling on a user-driven marketplace\n\n* Able to provide thought leadership on emerging quality assurance methodologies and best practices\n\n\n\n\nThe applicable salary range for each role is based on where the applicant lives and is aligned to one of 3 zones according to a cost of labor index in that geographic area. Our Talent Acquisition team can help answer any questions about location after starting the recruiting process.\n\nStarting pay for the successful applicant will depend on a variety of job-related factors, which may include education, training, experience, location, business needs, or market demands. \n\nThe expected base salary ranges for this role are below. These ranges may be modified in the future. In addition to base salary, Mercari’s total compensation package includes equity and a full range of physical, financial and well-being benefits. For more information about our benefits, please click here.\n\nZone 1* $130,400-$195,600\n\nZone2** $117,400-$176,000\n\nZone 3*** $104,300-$156,500\n\nPlease speak with your recruiter for additional information regarding the salary zone where your geographic location would fit, if it is not included in Zones 1-3 below.\n\n*Zone 1 includes locales such as the San Francisco Bay Area and New York City\n\n**Zone 2 includes locales such as Austin, Boston, Los Angeles and Seattle\n\n***Zone 3 includes locales such as Denver, St. Louis, and Houston\n\n \n\nWhy Mercari:\n\nSmall enough to make an impact, but established enough to provide the stability you need to be successful, Mercari is the best of both worlds. At Mercari you are encouraged to take risks. And when you do, you can do it confidently, knowing you have a team and a company that supports you.\n\nAs we grow, your career opportunities with Mercari grow. As our teams expand, your responsibilities expand. Our teams are supported with access to new tools, technologies, and learning opportunities.  We will never stop growing.\n\nTotal Rewards: \n\n\n* Flexibility: Work remotely from anywhere in the US and receive flexible time off. \n\n* Wellbeing: Top-notch insurance plans, best-in-class new parent offerings, and access to mind and body wellness apps.\n\n* Growth: As we grow, your career opportunities grow, and we provide access to new tools, technologies, and learning opportunities.\n\n* Comprehensive and total rewards: We provide a strong financial foundation and rewards that go beyond the paycheck.\n\n* Teamwork: We are each other's biggest fans- we celebrate from virtual coffee breaks to recognition programs.\n\n\n\n\n  \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, Testing, Git, Senior and Engineer jobs that are similar:\n\n $60,000 — $110,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n

\nAs a Frontend Engineer at Token.io, you will specialise in building responsive and elegant web applications that scale to millions of users. We believe that User Experience should be at the core of rethinking how payments are done worldwide. You will work closely with the other Frontend Engineers, UX Design and the Product team to create next-generation technologies that will change how people and financial institutions exchange value.\n\n\n\nWhat you will do day-2-day\n* Design, build and write tests for frontend features\n* Work with our talented team of engineers to deliver top quality on challenging projects that delight customers and business stakeholders\n* Work closely with the Tech lead to establish UI development standards & architecture reviews\n* Work in an environment where we move quickly, are always learning, and enjoy a challenge\n* Work in a cross-functional agile team to build new features our customers will love, adopt and use while keeping our trusted platform stable and scalable\n* Mentor others in development technologies, tools, and processes\n* Present your designs to internal/external groups and review the designs of others\n* Participate in scrum activities to drive features to delivery\n* Review code, written by others, and suggest improvements where necessary\n* Participate in key technical decisions and work closely with the whole team to create an intuitive and reliable user experience in our platform product\n\n\n\nWe’d like to hear from candidates who have:\n* 4+ years relevant work experience\n* Good knowledge of JavaScript and Typescript\n* Experience with ReactJS and Hooks\n* Good experience of state management in react\n* Experience with SSR and CSR\n* Experience with modern JavaScript libraries and tooling\n* Commanding grasp of HTML, CSS, and related web technologies\n* Demonstrated design and UX sensibilities\n* Passion for programming, willingness to learn and to try new things\n* Understanding of Mobile Responsiveness, cross-browser compatible web design concepts\n* Good understanding of OOP and/or functional programming\n* Experience in TDD/BDD and continuous integration\n* Taken care of software quality in regard to Clean Code principles like YAGNI, KISS, SOLID, etc\n* Familiarity with linting and code formatting tools (ESLint, Prettier, EditorConfig etc)Experience with module bundlers (e.g. webpack)\n* Good knowledge of version control tools, especially Git\n\n\n\nIts also useful if you have:\n* Experience in building payment applications\n* Expertise with architecting and developing JavaScript ecosystem using NodeJS, ES6 standards\n* Experience with Web performance audits and optimisations\n* Understanding of important performance metrics and performance enhancement techniques\n* Helped developers in their growth by guiding them with their technical challenges\n* A preference around working to best practices\n* Excellent written and verbal communication skills with the ability to present technical information in a clear and concise manner to a variety of audiences\n\n\n\n\n\nOpen to all\nToken is building an open future for everyone. \nWe don’t just accept different points of view, lived experiences and new ways of thinking — we search them out. \nThey help us make better products, better decisions, and a better place for everyone to work. \nSo, come as you are. \nWe acknowledge and embrace different backgrounds, identities and abilities. \nRespect is our default, and empathy is our baseline. No one succeeds until we all do. \n\n#Salary and compensation\n No salary data published by company so we estimated salary based on similar jobs related to Design, JavaScript, Mobile and Engineer jobs that are similar:\n\n $55,000 — $105,000/year\n
\n\n#Benefits\n 💰 401(k)\n\n🌎 Distributed team\n\n⏰ Async\n\n🤓 Vision insurance\n\n🦷 Dental insurance\n\n🚑 Medical insurance\n\n🏖 Unlimited vacation\n\n🏖 Paid time off\n\n📆 4 day workweek\n\n💰 401k matching\n\n🏔 Company retreats\n\n🏬 Coworking budget\n\n📚 Learning budget\n\n💪 Free gym membership\n\n🧘 Mental wellness budget\n\n🖥 Home office budget\n\n🥧 Pay in crypto\n\n🥸 Pseudonymous\n\n💰 Profit sharing\n\n💰 Equity compensation\n\n⬜️ No whiteboard interview\n\n👀 No monitoring system\n\n🚫 No politics at work\n\n🎅 We hire old (and young)\n\n
\n\n#Location\nBerlin or Remote Germany