Senior Software QA Engineer

Senior Python/QA EngineerPlano or Richardson TXVirtual interviewWe are seeking a Senior Python/QA Engineer. The ideal candidate will serve as the quality gatekeeper across the full delivery lifecycle — validating business requirements shared by the Business Unit (BU), authoring and executing end-to-end system tests, and certifying the completeness of each requirement against acceptance criteria defined in the Business Requirements Document (BRD). This role involves Python Automation testing, data validation, and emerging Agentic AI/Gen AI testing disciplines.Key Responsibilities:Strong experience in Python Automation, Playwright, Selenium and Azure conceptsBuild and optimize Test Strategies and Test Plans. Map each BRD requirement to testable acceptance criteria; identify gaps and ambiguities before development beginsMaintain a living Requirements Traceability Matrix (RTM) linking BRD items ? test cases ? test resultsParticipate in BRD walkthroughs and sign-off reviews with business stakeholders (e.g BU leads)Design, develop, and execute end-to-end test scenarios covering the full data pipeline: source systems ? Databricks/Snowflake transformations ? dashboard UIValidate data accuracy across Databricks Unity Catalog schemasWrite and execute SQL-based data validation scriptsDevelop Python-based data quality frameworks (Great Expectations, Deequ, or custom) for automated regression checksValidate data completeness, referential integrity, and schema evolution across curated and raw layersStrong experience in API Testing covering REST/GraphQL endpointsValidate API contracts (request/response schemas, status codes, headers) using tools such as Bruno, Postman, requests, or Swagger/OpenAPI validatorsPerform functional, integration, and regression testing of API endpoints including: Data retrieval APIs (market metrics, KPI summaries, quarterly aggregations) Authentication & authorization flows (token validation, role-based access, session management) Error handling and edge cases (malformed payloads, rate limiting, timeout behavior, 4xx/5xx responses)Validate API performance under load — response times, throughput, and concurrency using Locust, k6, or JMeterTest API versioning, backward compatibility, and deprecation handlingAutomate API contract testing within CI/CD pipelines to catch breaking changes before deploymentValidate data consistency between API responses and underlying Databricks/SQL query outputsRequired Skills & Qualifications:Technical Skills:8+yrs of deep expertise in Playwright (Python, TypeScript, JavaScript), Selenium WebDriver, API automation, and CI/CD integration.Strong hands-on experience in building scalable automation frameworks with Docker, Azure DevOps, Jenkins, and GitHub Actions.Knowledge in CI/CD automation, deployment pipelines, and DevOps practices.Strong expertise in Requirement traceability till Defect management and ensuring no escaped defectsStrong hands-on experience in API TestingExperience:8+ years of experience in Python and automation frameworks.Strong analytical, troubleshooting, and problem-solving skills.