Blockchain Protocol QA Engineer

We’re looking for a detail-oriented and technically skilled QA Engineer to help shape the quality of our protocol. You’ll work closely with engineers and the documentation team to build a robust test infrastructure and ensure the reliability of our blockchain platform.

Key Responsibilities:

• Develop test plans and scenarios based on high-level engineering requirements.
• Build, deploy, and maintain large codebases using Unix-based environments and Docker.
• Write and run automated integration tests in Rust.
• Contribute to internal documentation by extending technical instructions.
• Define and implement strategies for test automation and infrastructure.
• Build reusable, scalable test cases and scripts.
• Ensure QA coverage across Agile sprints; participate in standups and planning sessions.
• Drive the continuous improvement of testing processes and tooling.
• Collaborate with developers and stakeholders to support the full product lifecycle.
•  

What We’re Looking For:

• 6+ years of hands-on QA experience in complex technical domains (e.g. embedded systems, networking, IoT).
• Strong command of Linux/Unix, Docker, Git, and shell scripting.
• Familiarity with protocols like HTTP, SSL/TLS, TCP and serialization formats such as JSON.
• Solid experience testing APIs (JSON RPC, REST, GraphQL) and analyzing their performance.
• Comfortable writing QA test logic in Rust.
• Prior experience in Agile development teams and test-driven environments.

• Confident in using CLI tools for QA workflows.

   

Nice to Have:

• Knowledge of blockchain fundamentals, especially public-private key encryption and PKI.
• Exposure to Substrate SDK and Ethereum development.
• Experience with CI pipelines and tools like GitHub Actions, GitLab CI, Jenkins.
• Familiarity with security best practices (e.g., OWASP, CVEs).
• Background with monitoring and observability tools (e.g., ELK, Grafana, Prometheus).
• Comfort with scripting or working in TypeScript, JavaScript, or Solidity when needed.
• Experience with infrastructure management tools (e.g., Ansible).