QA Automation Engineer (Java, CFA / Blockchain)

Responsibilities

• Checking microfronts and the correctness of role models (different access rights for users)
• Testing interfaces (UI/UX) for compliance with requirements
• Verifying contracts between Frontend and Backend, as well as between microservices (REST API)
• Checking internal business logic of microservices
• Verifying the correctness of reading operations from the blockchain network
• Checking transaction records in the blockchain (integrity and immutability control)
• Checking off-chain consensus collection mechanics (critically important process for CFA)
• Writing and maintaining automated tests in Java (TestNG)
• Developing emulators and stubs (Wiremock) for isolated microservices testing
• Setting up and configuring test environments
• Working with monitoring tools to analyze system behavior under load and in normal mode
• Preparing test documentation and quality reports

Requirements

• Higher technical education
• SQL: confident proficiency (all basic commands, JOINs, nested queries, data filtering)
• Deep understanding of REST API (methods, response codes, authorization, working with JSON/XML)
• Experience in developing automated tests in Java using TestNG
• Experience with monitoring tools (Kibana, Grafana, Zabbix or equivalents) — ability to read logs and metrics
• Basic understanding of integration principles with blockchain networks (how the application interacts with the distributed ledger)
• Experience in preparing test documentation (test cases, checklists, defect reports)
• Experience in setting up and configuring test environments (raising stands, updating configs)
• Practical experience in developing emulators/stubs (Wiremock)
• Will be a plus:

- Experience in testing blockchain solutions or financial platforms - Understanding the basics of cryptography and key management - Experience with microservices architecture and Kubernetes/OpenShift - Experience in testing asynchronous interactions (Kafka, message queues) - Knowledge of BDD approach (Cucumber, Gherkin)