Robust proficiency in Python with experience writing clean, maintainable test code Deep experience with pytest (fixtures, parametrize, plugins, markers, conftest patterns) API testing: requests/httpx library usage, REST and GraphQL validation, authentication/token handling in test flows Database testing: SQL query validation, data integrity checks; experience with PostgreSQL, MySQL, or similar RDBMS Mocking and isolation: unittest.mock, responses, moto (for AWS services), or similar libraries Familiarity with containerized test environments using Docker and Docker Compose CI/CD integration: writing and maintaining test stages in GitLab CI, Jenkins, or GitHub Actions pipelines Proficiency using AI coding assistants (GitHub Copilot, Amazon Q, or similar) to generate, refactor, and optimize test automation cod