We combine a powerful orchestration engine with a seamless consumer app to unlock liquidity for the world. Backed by leading investors like PayPal Ventures, Paradigm, and Galaxy Ventures, we are building the infrastructure for the next era of the global economy. Overview We are seeking a QA Automation Engineer to own the quality engineering function end-to-end. In this role, you will be responsible for designing automation frameworks, setting standards, and embedding quality into every step of the development lifecycle. As a core member of the team, you will not be a seat at the back of the sprint, but will work closely with engineers, product, and design to ship reliable, production-grade Web3 experiences. Mesh is a integral company with headquarters in San Francisco, California USA. This candidate will work closely with the Engineering and Product teams spread across North America, Europe and India.
Architect, build, and maintain robust end-to-end test automation frameworks using tools like Playwright.
Design test strategies that cover the full stack: UI, API, smart contract interactions, and wallet flows.
Write and maintain tests for Web3-specific user journeys including wallet connection, transaction signing, contract interactions, and on-chain state verification.
Integrate automated test suites into CI/CD pipelines and own the health of those pipelines.
to accelerate test authoring and framework development, and bring strong opinions on how to do this well.
Identify gaps in test coverage, prioritize ruthlessly, and drive continuous improvement.
Champion quality culture across the engineering org.
Stay ahead of the curve on new testing tools, frameworks, and Web3 ecosystem shifts.
Who You Are Automation Expertise
~7+ years of experience in QA engineering with a strong focus on automation.
~ Deep hands‑on experience with Playwright and/or Cypress; familiarity with others (WebdriverIO, Selenium, Puppeteer) is a plus.
~ Proficiency in at least one scripting/programming language (TypeScript, JavaScript, Python).




~ Experience designing and scaling test frameworks from the ground up, not just maintaining existing ones.
~ Strong understanding of CI/CD practices and integrating tests into pipelines (GitHub Actions, CircleCI, etc.).

Experience testing dApps and writing tests that interact with or simulate blockchain state.
GitHub Copilot, Cursor, Claude, ChatGPT).
Curious by default, reads release notes, follows ecosystem developments, and enjoys going deep on new tools and technologies.
Clear communicator who can translate quality risk into terms the whole team understands.
Prior experience at an early‑stage or growth‑stage startup.
Exposure to performance, load, or security testing in Web3 contexts.
Contributions to open‑source testing tools or frameworks.
Familiarity with blockchain explorers, event indexing, or subgraph testing.
Why You’ll Love It Here At Mesh, you're not stepping into a typical role— you're joining a rocket ship in mid‑liftoff. In‑Office Expectations Employees based in our San Francisco, New York, and Bangalore hubs are expected to work from the office at least 40% of the time (approximately two days per week). Certain roles that require closer cross‑functional collaboration, or operational support, may have additional in‑office requirements, which will be discussed during the interview process. Our hybrid approach is designed to balance meaningful in‑person collaboration, team building, and real‑time decision‑making with the flexibility to work remotely. That starts with competitive salary and equity that grows as you and the company grow, plus comprehensive health coverage for you and your family. We offer unlimited PTO—and we mean it. We're invested in your growth with a dedicated budget for courses, conferences, and certifications. Work from wherever you're most productive with our remote‑friendly approach, and count on having the top‑tier tools and equipment you need to do exceptional work.
Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
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📌 Senior QA Automation Engineer - C# (España)
🏢 Mesh
📍 España