Senior QA Engineer (Blockchain experience)

We are seeking a **QA Engineer with Blockchain expertise** to ensure the quality, security, and reliability of our digital asset custody platform. The ideal candidate will have strong experience in software testing, test automation, API validation, and blockchain technologies, with a keen understanding of cryptocurrency transactions, wallet operations, and distributed ledger systems. **Responsiblities** - Design and execute manual and automated test cases for blockchain and digital asset applications. - Validate cryptocurrency transactions, wallet operations, custody workflows, APIs, and system integrations. - Develop and maintain test automation frameworks and CI/CD testing pipelines. - Perform functional, integration, regression, and performance testing. - Identify, track, and resolve defects in collaboration with development teams. - Ensure platform reliability, security, and scalability in a regulated financial environment. Profile - Minimum Bachelors degree in IT/Computer Science or other relevant discipline - 5+ years of QA/Test Engineering experience. - Hands-on experience with blockchain, cryptocurrency, or digital asset platforms. - Strong API testing experience (Postman, REST Assured, Swagger). - Test automation using Selenium, Cypress, or Playwright. - Understanding of Bitcoin, Ethereum, wallets, smart contracts, and blockchain transactions. - Experience with SQL, Linux, Git, and CI/CD tools (Jenkins, GitLab, Azure DevOps). - Knowledge of Java, TypeScript, or Python is preferred. - Experience in digital asset custody, exchanges, tokenisation, or fintech platforms. - Exposure to cloud technologies (AWS/Azure) and blockchain security concepts (MPC, HSM, cryptography).