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QA Automation Engineer – Web3 (Europe)

We are currently seeking a highly skilled QA Automation Engineer to join our growing Web3 development team in Catalunya, Spain.

This professional opportunity focuses on designing and executing robust automated testing strategies for decentralized applications and complex blockchain integrations in a fast-paced environment.

The ideal candidate will demonstrate extensive experience with manual and functional testing alongside advanced scripting proficiency.

You will play a vital role in ensuring the integrity of wallet connections, transaction flows, and smart contract functionalities while maintaining high-quality standards across cross-browser and mobile platforms.

Private
Bachelor Degree
full-time
Spain

Jobs Date Posted: 03 November, 2026
Jobs Last Date to Apply: 18 December, 2026
Industry: Information Technology
Jobs Industry Type: Private
Job Hiring Organization: Braintrust (JR Spain)
Experience Required (In months): 36
Occupational Category: Software Engineer
Education Requirements Bachelor Degree
Employment Type: full-time
Advertisement Source: Eurojobs
Job Location: Catalunya
Address Region: Barcelona
Country of Appointment: Spain
Postal Code: 08001
Employer Department: Quality Assurance
Employer Contact Phone: 92209423233
Employer Address: Catalunya, Spain
Work Hours: Standard Business Hours
🎓 Qualifications Required
BSC
📌 Job Positions:

Further Details

This private sector role is perfect for a software testing specialist looking for career growth in the blockchain industry. You will be responsible for end-to-end regression testing, maintaining test environments, and collaborating with international teams across multiple time zones. Candidates must possess solid proficiency in TypeScript, JavaScript, or Python to automate recurring test cycles effectively. Join a dynamic organization committed to professional development and high-impact software quality assurance projects in the European tech market.

Software Engineer - QA Automation Web3

This position offers a unique career development opportunity within the emerging Web3 landscape. Our client, Braintrust, is looking for an analytical professional capable of bridging the gap between manual testing discipline and automated software engineering.

  • Position: QA Automation Engineer
  • Industry: Blockchain & Web3 Technology
  • Location: Catalunya, Spain
  • Requirement: 3+ years of professional QA experience
Sr.#Job TitleExperienceVacancies
1QA Automation Engineer36 Months1

Skills

  • 3–5 years of experience in QA/Quality engineering
  • Proficiency in automated and manual testing methodologies
  • Strong scripting skills in TypeScript, JavaScript, or Python
  • Deep understanding of Web3 flows and wallet integration
  • Experience with Playwright or Cypress automation tools
  • Ability to manage test accounts and complex environments

Duties and Responsibilities:

  • Design and execute comprehensive test cases for Web3 applications
  • Own recurring daily and regression testing sweeps
  • Report and track bugs effectively using tools like Jira or Linear
  • Perform cross-browser and cross-device verification for web/mobile apps
  • Collaborate across US, Europe, and India time zones
  • Verify on-chain state using blockchain explorers

How to apply

  • 👉 Visit the official application portal using the link below.
  • 📩 Ensure your CV is updated with specific experience in blockchain or Web3 testing.
  • 📌 Prepare evidence of your past bug reporting and automation scripting work.
  • 💼 Submit your application through the secure Eurojobs platform before the closing date.
  • ⏳ Applications submitted after 18 December 2026 will not be considered.



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