Senior Web3 QA Automation Engineer - Europe | Competitive Salary & Career Growth

Further Details

Discover a premier career opportunity as a QA Automation Engineer specializing in Web3 technologies, based in the vibrant region of Castilla y León, Spain. This role is designed for seasoned professionals with 3-5 years of dedicated experience in quality assurance, encompassing both manual and automated testing methodologies. You will play a pivotal role in validating the integrity of Web3 applications, focusing on critical aspects like wallet connectivity and transaction processes. This is a remarkable chance to contribute to a forward-thinking company, where your contributions to testing smart contracts, managing test environments, and meticulously reporting bugs will be highly valued. We are looking for individuals who possess strong written English skills and excel in cross-cultural team environments, contributing to a truly global product development lifecycle. This role promises significant professional development and the chance to work with innovative blockchain solutions.

Premier Web3 QA Automation Engineering Opportunity in Spain

JR Spain, on behalf of Braintrust, is actively seeking a seasoned QA Automation Engineer for a vital role in Castilla y León, Spain. This position is ideal for professionals with 3-5 years of hands-on experience in both manual and automated testing, specifically within the burgeoning Web3 and blockchain space. The company is committed to delivering high-quality digital experiences and requires a meticulous individual to uphold these standards. Key highlights of this role include:

• Extensive experience in quality assurance within Web3 environments.
• Focus on core Web3 flows such as wallet connections and transaction signing.
• Requirement for smart contract and wallet testing expertise.
• Proficiency in bug reporting and tracking tools like Linear or Jira.
• Strong collaboration skills for international teams.
• Scripting proficiency in TypeScript, JavaScript, or Python is essential.

This is a unique opportunity to advance your career in a fast-paced, innovative sector, offering competitive compensation and significant professional growth potential.

Skills

• 3-5 years of experience in QA/quality engineering
• Hands-on experience with manual and automated testing
• Solid test-case design, execution, and regression testing discipline
• Working knowledge of core Web3 flows (wallet connections, transaction signing)
• Experience with smart contract and wallet testing
• Experience testing third-party/exchange 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 communication skills
• Ability to collaborate across US/Europe/India time zones
• Experience testing web and mobile applications
• Cross-browser and cross-device verification experience
• Scripting ability in TypeScript, JavaScript, or Python

Duties and Responsibilities:

• Design, execute, and maintain comprehensive test cases for Web3 applications
• Conduct recurring daily and regression sweeps to ensure product stability
• Verify core Web3 functionalities, including wallet connections and transaction signing
• Test smart contracts and manage wallet testing scenarios
• Perform end-to-end testing of third-party and exchange integrations
• Set up and manage test accounts, credentials, and testing environments
• Report and track bugs clearly and reproducibly in Linear or Jira
• Collaborate effectively with international teams across different time zones
• Test web and mobile applications across various browsers and devices
• Utilize scripting languages like TypeScript, JavaScript, or Python for automation tasks

How to apply

💼 **Application Process:** Prospective candidates are encouraged to submit their applications for this exciting QA Automation Engineer role based in Castilla y León, Spain. Additionally, urgent hiring are available for qualified candidates. 📝 **Required Documents:** Ensure your application includes a comprehensive Curriculum Vitae (CV) highlighting your relevant experience in QA automation, particularly within Web3 technologies. 🔗 **Application Link:** To apply, please visit the official Eurojobs platform and navigate to the specific job listing. Click on the 'Apply Now' button to be redirected to the application portal. ⏳ **Deadline:** All applications must be submitted by the closing date of 18 December 2026. Late submissions will not be considered. 🌐 **Further Information:** For detailed job descriptions and to understand the full scope of responsibilities, please refer to the advertisement on Eurojobs. 👉 **Important Note:** While direct applications are processed via the provided link, please ensure all your submitted details are accurate and up-to-date.