Zignaly

Blockchain Engineer

• Conduct thorough functional, integration, and regression testing of ZIGChain’s core blockchain modules
• Test chain upgrades, governance proposals, IBC protocols, and network partition scenarios
• Design and maintain comprehensive automated test suites (unit, integration, end-to-end)
• Build reusable test utilities, fixtures, and mock services for blockchain scenarios
• Integrate tests into CI/CD pipelines and ensure robust coverage (>80% for critical components)
• Perform security testing for blockchain vulnerabilities (replay attacks, double-spending, front-running)
• Execute load/stress testing to validate network performance, TPS, block times, and resource utilization
• Implement fuzzing strategies to discover edge cases
• Define and evolve QA standards, test planning, and bug lifecycle management
• Maintain QA metrics, dashboards, and provide release quality assessments
• Promote testing best practices and continuous improvement culture
• Triage bugs by severity, create reproducible test cases, and track resolution
• Partner with developers and DevOps on parallel testing, code reviews, and issue resolution
• Set up and maintain test environments (devnets, testnets, staging)

Quality Assurance (QA) Blockchain Developer