Senior QA Engineer in C# (Test Automation & Data Testing)

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Senior QA Engineer in C# (Test Automation & Data Testing)

Remote in Georgia, & 4 others

Automated Testing in .NET& 5 others

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We are looking for a Senior QA Engineer with a strong background in both manual and automated testing to ensure the quality and reliability of complex data-driven applications.

The role combines approximately 70% manual testing and 30% test automation, with a particular focus on validating large datasets, data flows, and data mappings. You will contribute to test strategy, develop and maintain automated tests using C# and BDD frameworks, and collaborate closely with developers and business stakeholders to ensure comprehensive test coverage.

Working Hours: Availability is required from 09:00 to 16:00 UK time on working days.

Responsibilities

• Perform manual and automated testing of application functionality, data processing, and integrations

• Evaluate test scenarios and determine which cases are best suited for automation versus manual execution

• Develop and maintain automated tests in C#, including test fixtures and step definitions

• Use BDD frameworks such as SpecFlow, Cucumber, FitNesse, or equivalent tools

• Create and maintain clear, structured, and reusable Gherkin scenarios

• Design and execute data-focused tests, validating large datasets, data flows, transformations, and mappings between systems

• Write and maintain SQL queries to verify data accuracy, consistency, completeness, and integrity

• Integrate automated tests into CI/CD pipelines and maintain test execution reports

• Define test scenarios, select appropriate testing techniques, and ensure adequate coverage of requirements and business risks

• Identify, document, track, and communicate defects, collaborating with development and business teams to resolve issues

• Participate in Agile ceremonies and contribute to continuous improvements in testing processes and quality practices

Requirements

• 3+ years of proven experience in software quality assurance, covering both manual testing and test automation

• Strong programming skills in C# and experience developing automated tests

• Practical experience with BDD testing frameworks such as SpecFlow, Cucumber, FitNesse, or similar tools

• Experience creating and maintaining test fixtures, step definitions, and Gherkin scenarios

• Strong SQL skills and experience validating large volumes of data

• Solid understanding of data flows, data transformations, and data mapping validation

• Ability to assess testing needs and make informed decisions about when to automate and when to perform manual testing

• Experience integrating automated tests into CI/CD pipelines and working with test reporting tools

• Knowledge of test design techniques, risk-based testing, and test coverage

• Experience working in Agile development environments

• Strong analytical and problem-solving skills, attention to detail, and effective communication skills

• English proficiency at an Upper-Intermediate level (B2) or higher

• Ability to maintain the required working-hour availability from 09:00 to 16:00 UK time on working days

Nice to have

• Experience in financial services or trading environments, such as commodity trading, investment banking, brokerage, or exchange platforms

• Familiarity with trading systems, financial data, or business-critical data processing