QA Engineer (Web3)

🏷️Title: QA Engineer

👫Department: Engineering

📍Location: UK or Europe, Remote

About Block Labs

Block Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto and iGaming projects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences. Our diverse team drives innovation, using deep industry expertise and an extensive network to empower the next wave of blockchain-driven companies. At Block Labs, we’re passionate about turning bold ideas into breakthrough success.

About The Role

We’re looking for a QA Engineer to support testing efforts across a variety of platforms and products, including Web3 and fintech applications. You’ll be responsible for ensuring the reliability and performance of features through manual testing and growing automation coverage. This is a hands-on role that collaborates closely with developers and product managers to ensure each release meets our standards for quality and usability.

Key Responsibilities

• Write and execute functional, integration, and regression test cases for web and mobile applications.
• Conduct manual testing across different environments and devices to identify bugs and usability issues.
• Collaborate with developers and product managers to reproduce, isolate, and document bugs.
• Contribute to the development and maintenance of automated test suites.
• Help validate integrations with third-party services, wallets, APIs, and payment providers.
• Support testing activities in CI/CD pipelines to enable fast and reliable deployments.
• Maintain clear documentation of testing outcomes, QA procedures, and issue tracking.
  
  

About You

• 3+ years of hands-on QA experience, ideally across both manual and automated testing.
• Solid understanding of software development and testing life cycles.
• Experience testing web applications, APIs, and mobile apps.
• Familiar with tools such as Postman, Swagger, Jira, and test management platforms.
• Exposure to automated frameworks like Cypress, Playwright, or Selenium.
• Excellent problem-solving and communication skills.
• Enthusiastic about quality, detail-oriented, and eager to work in cross-functional teams.
• Nice to have: Experience in fintech or crypto environments, familiarity with Web3 concepts and blockchain APIs, or testing in CI/CD pipelines using GitHub Actions, Jenkins, or similar tools.