Senior QA Engineer (Web3)

Location: Europe — fully remote

Salary: €60,000 per year

Company

Product-led technology company building infrastructure at the intersection of Web3 and payments, powering large crypto platforms and serving millions of users globally.

What you will do

• Manage and scale a high-performing manual testing team.
• Perform hands-on manual and exploratory testing of web applications and payment products.
• Validate user experience and identify product quality issues with strong attention to detail.
• Test APIs using DevTools, Postman, or cURL.
• Review pull requests, understand code changes, and test branches independently.

Requirements

• 3+ years of QA experience with manual and exploratory testing.
• Experience testing web applications and payment products.
• Practical experience using AI coding tools and agents such as Claude Code, Cursor, or Codex.
• Experience with API testing using DevTools, Postman, or cURL.
• Comfort working with Git and GitHub, reviewing pull requests, and testing code branches independently.

Culture & Benefits

• Fully remote work across Europe.
• Startup environment within a profitable, product-led company.
• Work on infrastructure supporting major crypto platforms and millions of users.