QA Engineer, Blockchain

Responsibilities

- Collaborate with developers, product managers, customer support, and partners to ensure high-quality product delivery.
- Participate in Agile ceremonies and contribute to continuous improvement.
- Design, maintain, and execute test plans, test cases, and automated test scripts.
- Perform manual and automated testing for backend systems, APIs, databases, and distributed services.
- Identify, analyze, track, and report defects, including root cause analysis of failures.
- Conduct testing for new features and document test scenarios and expected behaviors.
- Advocate QA best practices and improve overall test coverage and product quality.
- Perform performance, security, and scalability testing for backend services.
- Lead big data QA testing, automation framework setup, data comparison scripts, and release process improvements.

Requirements

- Minimum 7 years of QA engineering experience, with strong expertise in backend testing and automation.
- Hands-on experience in manual and automated testing across the full testing lifecycle.
- Proficiency in Java, Python, or JavaScript, with experience in automation tools such as Selenium, JUnit, or TestNG.
- Strong knowledge of APIs, databases, microservices, CI/CD, and SDLC.
- Familiarity with QA efficiency tools, AI/LLM, performance testing, and security testing.
- Experience with StarRocks, Kafka, and big data QA environments is a plus.
- Strong analytical, problem-solving, and documentation skills.
- Fluent in English with good communication and collaboration skills.
- Experience with Jira, TestRail, or Zephyr, and familiarity with AWS, Azure, GCP, Docker, or Kubernetes preferred