Web3 QA Automation Engineer - Europe

Further Details

Secure your next role as a Web3 Quality Assurance Automation Engineer, focusing on advanced testing strategies for blockchain technologies. This position is ideal for individuals passionate about quality and innovation in the decentralized web. The role requires extensive experience in designing, executing, and maintaining automated test suites, with a keen understanding of core Web3 functionalities. Join a forward-thinking company and shape the future of Web3 development through meticulous quality assurance.

Quality Assurance Engineer Opportunities in Web3

JR Spain, representing their client Braintrust, is actively recruiting for a skilled Quality Assurance Automation Engineer to join their team in Catalunya, Spain. This role is pivotal for a company focused on innovative Web3 technologies, requiring a candidate with a solid background in software quality assurance and a specific understanding of blockchain functionalities. The position offers a unique opportunity to work on the cutting edge of decentralized applications within a European context.

Ideal candidates will possess 3-5 years of hands-on experience in QA, with a proven ability to handle both manual and automated testing cycles. A deep dive into core Web3 concepts, including wallet integrations and smart contract interactions, is essential. The role emphasizes clear communication and collaboration, as the successful applicant will be part of an international team spanning multiple continents. This is a chance to contribute significantly to high-stakes projects in the rapidly expanding Web3 ecosystem.

• Job Title: QA Automation Engineer – Web3
• Location: Catalunya, Spain
• Experience: 3-5 Years
• Required Skills: Web3 Testing, Automation, TypeScript/JavaScript/Python, Manual Testing, Bug Reporting
• Key Responsibilities: Test case design, automated test development, defect tracking, international collaboration

Skills

• Minimum 3-5 years of experience in QA/quality engineering
• Proficiency in both manual/functional and automated testing
• Skilled in test-case design, execution, and regression testing
• Working knowledge of core Web3 flows: wallet connections (MetaMask, Trust Wallet, WalletConnect), transaction signing, and on-chain vs off-chain behavior
• Experience with smart contract and wallet testing
• Experience testing third-party/exchange (CEX) integrations end-to-end
• Ability to set up and manage test accounts, credentials, and environments
• Proficiency in clear, reproducible bug reporting and tracking (e.g., Linear, Jira)
• Strong written English communication skills
• Ability to collaborate across US/Europe/India time zones
• Scripting ability in TypeScript, JavaScript, or Python at a working level
• Experience testing web and mobile applications, including cross-browser and cross-device verification

Duties and Responsibilities:

• Design and execute comprehensive test cases for Web3 applications
• Develop and maintain automated test suites to ensure application quality
• Identify, report, and track bugs with detailed reproduction steps
• Collaborate effectively with international engineering teams
• Verify on-chain states using blockchain explorers
• Contribute to the improvement of testing processes and methodologies
• Ensure the seamless integration of Web3 features
• Conduct regression testing to maintain application stability
• Manage and organize test environments and credentials

How to apply

• 💼 Prepare your updated Curriculum Vitae (CV).
• 🔎 Thoroughly review the job description and ensure you meet all the required qualifications and skills for the QA Automation Engineer role.
• 🌐 Visit the provided application link: https://eurojobs.com/jobs/36956764/apply
• 📝 Complete the online application form accurately, providing all requested details.
• ⏳ Submit your application before the closing date of December 18, 2026.
• 👍 For further assistance or to confirm your application status, you may use the provided contact information.