Crystal Intelligence

Senior QA Automation Engineer (AI)

In short

This senior QA automation role involves designing and maintaining automated tests for backend, API, frontend, and data-processing systems, with strong emphasis on test architecture, data validation, and service reliability. The company is a product company hiring for a fully remote position open to candidates in Poland, Romania, Portugal, and Lithuania. It requires 5+ years of AQA/SDET experience, Java, SQL/PostgreSQL, Playwright, Postman, REST-assured, and familiarity with AI tools like Cursor, Claude, and n8n. The role also carries technical leadership duties such as establishing testing vision and evaluating AI adoption for QA workflows.

About the Role
You will design, develop, and maintain automated tests for backend, API, frontend, and data-processing systems. You will investigate failures, review code, prioritize testing, improve QA practices, evaluate AI tools, collaborate on service reliability, and maintain test documentation and defect reports.
Requirements
•5+ years of AQA/SDET experience testing complex backend, API, data-heavy, or distributed systems
•Understanding of SOLID principles and design patterns applied to test frameworks
•SQL and PostgreSQL experience, including advanced queries and data validation
•Test design skills
•Understanding of backend architecture, environment configuration, service health checks, and deployment validation
•Java skills for test automation
•Experience with test automation tools and frameworks such as Playwright, Postman, REST-assured, and Allure
•Experience with Git
•Experience working in Scrum or another Agile delivery process
•Experience with Cursor and Claude, including custom skills, agents, and rules
•Experience with AI no-code tools and business process automation such as n8n
•English proficiency
Responsibilities
•Design, develop, and maintain automated tests for backend, API, frontend, and data-processing systems
•Create test coverage for edge cases
•Analyze failed tests and production-like issues using logs, metrics, dashboards, and API responses
•Conduct code reviews
•Pioneer testing approaches, architectures, or frameworks
•Establish technical vision and make cross-project trade-offs
•Prioritize testing efforts based on business needs, risks, and timelines
•Identify and implement QA process improvements and best practices
•Evaluate and drive adoption of AI tools for QA and development workflows
•Define guidelines for AI tool use in QA
•Collaborate to improve service testability, observability, and reliability
•Maintain test documentation, automation coverage notes, and defect reports
Benefits
•Fully remote work

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