Senior QA Automation Engineer - Web3 & Blockchain Expertise Required

Further Details

This role seeks an experienced QA Automation Engineer with a solid background in manual and automated testing methodologies, specializing in Web3 and blockchain environments. The ideal candidate will have proven experience with wallet connections, smart contract testing, and third-party integrations, ensuring seamless end-to-end quality assurance. Join a forward-thinking company and leverage your expertise to enhance software reliability and user experience in the decentralized technology sector. Opportunities for professional development and working within international teams are paramount. Additionally, urgent hiring are available for qualified candidates.

Senior QA Automation Engineer - Web3 & Blockchain Expertise

We are seeking a highly skilled Senior QA Automation Engineer with extensive experience in both manual and automated testing, specifically within the Web3 and blockchain domain. This pivotal role involves ensuring the quality and reliability of our innovative decentralized applications and platforms.

Ideal candidates will possess a strong understanding of core Web3 flows, including wallet integrations and smart contract interactions, coupled with a proven track record in end-to-end testing of complex systems. Join our dynamic, international team and contribute to shaping the future of blockchain technology through robust quality assurance practices.

• Key Focus: Web3 Technologies, Blockchain Integrations, Smart Contracts, Wallet Connections
• Required Experience: 3-5 years in QA/Quality Engineering
• Technical Skills: Automation Testing, TypeScript/JavaScript/Python Scripting, Playwright/Cypress (preferred)
• Location: Catalunya, Spain
• Collaboration: Work with global teams (US, Europe, India)

This position offers a competitive salary and excellent career development opportunities within a fast-paced, forward-thinking company.

Skills

• 3-5 years in QA/quality engineering
• Hands-on with manual and automated testing
• Solid test-case design, execution, and regression testing discipline
• Working knowledge of core Web3 flows: wallet connections (MetaMask, Trust Wallet, WalletConnect)
• Smart contract and wallet testing experience
• Experience testing third-party/exchange (CEX) integrations end-to-end
• Comfortable setting up and managing test accounts, credentials, and environments
• Clear, reproducible bug reporting and tracking in Linear or Jira
• Strong written English
• Ability to collaborate across US/Europe/India time zones
• Experience testing web and mobile apps
• Cross-browser (Chrome, Safari, etc.) and cross-device verification
• Scripting ability in TypeScript, JavaScript, or Python at a working level

Duties and Responsibilities:

• Design, execute, and maintain comprehensive test cases, including recurring daily and regression sweeps
• Ensure robust quality assurance for Web3 core functionalities, including wallet connections and transaction signing
• Conduct end-to-end testing for third-party and exchange integrations
• Set up and manage test accounts, credentials, and testing environments effectively
• Report and track bugs with clear, reproducible steps and supporting evidence
• Collaborate effectively with international teams across different time zones
• Perform cross-browser and cross-device testing for web and mobile applications
• Utilize scripting languages such as TypeScript, JavaScript, or Python for test automation

How to apply

• 💼 Prepare Your Application: Ensure your CV is up-to-date and highlights your experience in QA automation, Web3, and blockchain technologies.
• 🔎 Review Requirements: Double-check that you meet all the 'Must-have' and 'Nice-to-have' qualifications listed in the job description.
• 👉 Apply Online: Navigate to the official application portal via the provided link.
• 📝 Complete Application Form: Fill out all required fields accurately and thoroughly.
• 📌 Submit Application: Click the 'Apply Now' button to finalize your submission before the closing date.
• ⏳ Deadline: Ensure all applications are submitted by December 18, 2026.

Successful candidates will benefit from these vacancies.