🧪 Now Hiring: Mid QA Engineer + Blockchain Experience
📍 Location: Warsaw, Poland (Hybrid)
📄 Contract Role | B2B
🔍 The Role
Are you a detail-driven QA engineer with a passion for emerging technologies like blockchain? We're looking for a Mid-level QA Engineer who thrives in both black-box and white-box testing environments and is eager to contribute to high-impact projects in the decentralized tech space.
🚀 What You’ll Be Doing
• Design and execute end-to-end testing strategies for modern, distributed systems
• Perform both black-box and white-box testing to ensure system reliability and performance
• Leverage AI tools to improve testing efficiency and coverage
• Collaborate with developers and architects to review system design and enhance testability
• Write and maintain unit tests using Java, JUnit, Mockito, and related frameworks
• Ensure blockchain components are tested for integrity, security, and functionality
• Clearly document test cases, bugs, and QA workflows for technical and non-technical stakeholders.
💼 What We’re Looking For
✔️ 5+ years of QA/Test Engineering experience
✔️ Currently based in Warsaw, Poland
✔️ Strong knowledge of system design and software architecture fundamentals
✔️ Comfortable with both black-box and white-box testing techniques
✔️ Proficient in Java; able to write test cases using JUnit/Mockito
✔️ Good understanding of blockchain technologies (e.g., consensus, smart contracts, transaction flow)
✔️ Strong communication skills and the ability to work cross-functionally.
🌟 Bonus Points
📩 Apply Now
Join a forward-thinking team building next-gen blockchain systems with a sharp QA focus.
If you're ready to innovate, test smartly, and grow your blockchain expertise — we want to hear from you!
Net per month - B2B
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