Senior C# QA Automation Engineer

Lead web application quality through C# automation, manual testing, and AI-assisted QA with Hanalytica GmbH’s healthcare technology client. Hands-on technical leadership and mentoring shape this senior testing assignment.

This Senior QA Engineer position combines manual testing with automation across complex web applications. You will design test coverage, develop Selenium and Playwright frameworks in C#, validate AI-generated output, and examine data using advanced SQL. The scope includes mentoring testers and reviewing code.

Key Responsibilities:

• Design functional, regression, and exploratory tests
• Develop Selenium and Playwright automation in C#
• Validate output from the AI-powered QA plugin
• Validate test data using SQL and stored procedures
• Review code, mentor testers, and report Azure DevOps defects

Requirements:

• Five-plus years testing and automating web applications
• Strong C# and object-oriented programming skills
• Experience designing scalable automation frameworks
• Advanced SQL across relational schemas
• Relevant degree or equivalent experience and clear communication

Apply senior C# testing expertise across automation, exploratory coverage, AI-assisted validation, SQL, mentoring, and technical quality leadership.