Senior QA Engineer

• Design, develop and maintain automated test suites, targeting approximately 85 -90% automation coverage with minimal reliance on manual testing.

• Develop robust and reusable test automation frameworks using Python and Pytest .

• Write and maintain automated test cases covering functional, integration, API, regression and data-processing scenarios.

• Use PySpark to validate data transformations, processing logic, data quality and expected outputs across data-intensive workflows.

• Write SQL queries to validate application data, verify database states, identify
  inconsistencies and reconcile expected versus actual results.

• Integrate Python, Pytest , PySpark and SQL into automated validation workflows wherever appropriate .

• Understand application code, test existing implementations, investigate failures and identify defects through code-level analysis.

• Design reusable test utilities, fixtures, assertions, test-data management mechanisms and failure-reporting capabilities.

• Leverage AI agents to support test-case generation, test automation, code analysis, failure investigation and other relevant QA workflows.

• Create, maintain and improve
  SKILL.md files defining instructions, workflows, tools and reusable capabilities for AI agents.

• Evaluate AI-generated test cases and code for correctness, reliability, maintainability and adequate test coverage.

• Integrate automated test execution into CI/CD pipelines and support repeatable regression validation.

• Collaborate with developers, data engineers and other stakeholders to understand requirements, review code, investigate defects and improve overall software quality.

• Identify opportunities to reduce repetitive manual effort through automation, reusable components and AI-assisted workflows.

• Strong hands-on programming experience in Python , including writing maintainable code, reusable utilities, functions, modules and debugging logic.

• Practical experience with Pytest , including test design, fixtures, parametrisation , assertions, test organisation and failure handling.

• Hands-on experience with PySpark , including validating distributed data-processing logic, transformations and expected data outputs.

• Strong SQL skills, including joins, aggregations, filtering, subqueries and data validation across relational databases.

• Experience building and maintaining automated test frameworks rather than relying primarily on manual test execution.

• Ability to connect automated test execution with backend or database validation and assert expected results.

• Ability to read and understand application code, trace execution logic, investigate failures and distinguish application defects from test issues.

• Practical experience leveraging AI agents or AI-assisted development workflows for coding, testing, debugging or task automation.

• Ability to write and maintain Markdown-based SKILL.md files for defining reusable AI-agent skills, instructions or workflows.

• Experience with version control, preferably Git, and automated execution through CI/CD pipelines.

• Experience with Selenium or Playwright for UI automation, where relevant to the application.
• API automation using Python libraries and tools.

• Experience testing data-intensive applications, distributed processing workflows or data platforms.

• Experience with automated data-quality checks, reconciliation and database integrity validation.

• Familiarity with Docker, Linux environments and CI/CD tooling.

• Experience evaluating AI/LLM outputs, validating generated code or building AI-assisted testing workflows.

• Experience working in Agile development environments .

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