Senior QA Automation Engineer (C#)

Luxoft Poland; Kraków; On-site; PLN 180,000 - 250,000; Full time

Benefits offered by this job

Tax-deductible costs

Stable employment contract

Private Medical & Dental care & Life保险

MyBenefit program

Internal Mobility program

Job summary

Luxoft Poland is seeking a Senior QA Automation Engineer (C#) to join our engineering team and drive software quality across enterprise applications. You will design and implement scalable automation solutions, define testing strategies, and improve engineering practices to deliver reliable software.

Collaborating with software engineers, architects, product owners, and DevOps, you will lead test planning, mentor QA engineers, and push for automation-first approaches within CI/CD pipelines while

Qualifications

• Bachelor's degree in Computer Science or related field, or equivalent practical experience.
• 8+ years in QA automation or SDET roles.
• 5+ years building test automation with C#/.NET.
• Experience designing, developing, and maintaining enterprise-grade test automation frameworks.
• Strong Playwright and/or Selenium WebDriver experience.
• Experience with NUnit, xUnit, or MSTest.
• Automating UI, API, integration, regression, and end-to-end tests.
• Testing REST APIs and SQL skills.
• Experience with CI/CD pipelines (Azure DevOps, GitHub Actions, Jenkins).
• Knowledge of SDLC, Agile/Scrum, Git.

Responsibilities

• Design, develop, and maintain scalable test automation frameworks using C#/.NET.
• Define and implement test strategies for UI, API, integration, regression, and end-to-end testing.
• Collaborate with cross-functional teams to improve software quality and testability.
• Drive automation-first and shift-left practices in CI/CD pipelines.
• Perform root cause analysis of defects and production issues, ensuring timely resolution.
• Lead test planning, estimation, execution, and reporting; monitor automation coverage and release readiness.
• Mentor QA engineers and evaluate new tools and technologies.

Skills

QA Automation

SDET

Playwright

Selenium WebDriver

NUnit

xUnit

MSTest

API testing

UI testing

REST API testing

SQL

CI/CD integration

Azure DevOps

GitHub Actions

Jenkins

Distributed/microservices

SDLC/Agile

Git

Troubleshooting

Communication

Education

Bachelor's degree in Computer Science

Tools

Playwright

Selenium WebDriver

NUnit

xUnit

MSTest

Azure DevOps

GitHub Actions

Jenkins

Job description

We are looking for a highly skilled Senior QA Automation Engineer (C#) to join our engineering team and drive software quality across enterprise applications. The ideal candidate is an experienced quality engineering professional with a strong background in C# test automation, modern testing frameworks, and software engineering best practices.

In this role, you will work closely with Software Engineers, Solution Architects, Product Owners, Business Analysts, and DevOps teams to ensure quality is embedded throughout the software development lifecycle. You will be responsible for designing and implementing scalable automation solutions, defining testing strategies, and continuously improving engineering practices to deliver reliable, high-quality software.

Responsibilities:

• Design, develop, and maintain scalable and reusable test automation frameworks and solutions using C#/.NET.
• Define and implement test strategies covering UI, API, integration, regression, and end-to-end testing for enterprise applications.
• Collaborate with cross-functional teams to improve software quality, reliability, and application testability throughout the development lifecycle.
• Drive automation-first and shift-left testing practices by integrating automated testing into CI/CD pipelines and establishing quality gates.
• Perform root cause analysis of complex defects and production issues, ensuring timely resolution and continuous quality improvements.
• Lead test planning, estimation, execution, and reporting while monitoring automation coverage, quality metrics, and release readiness.
• Mentor QA engineers and champion quality engineering best practices, while evaluating new tools and technologies to improve testing efficiency.

Mandatory Skills Description:

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent practical experience.
• 8+ years of hands-on experience in QA Automation, Quality Engineering, or Software Development Engineer in Test (SDET) roles.
• 5+ years of hands-on experience developing test automation solutions using C#/.NET.
• Proven experience designing, developing, and maintaining enterprise-grade test automation frameworks.
• Strong experience with Playwright and/or Selenium WebDriver.
• Hands-on experience with NUnit, xUnit, or MSTest.
• Strong experience automating UI, API, integration, regression, and end-to-end testing.
• Strong experience testing REST APIs, including API automation and integration testing.
• Solid SQL skills and experience validating relational databases.
• Experience testing distributed, service-oriented, or microservices-based applications.
• Proven experience integrating automated testing into CI/CD pipelines using Azure DevOps, GitHub Actions, Jenkins, or similar tools.
• Strong understanding of SDLC, Agile/Scrum methodologies, Git, and modern quality engineering practices.
• Excellent analytical, troubleshooting, communication, and stakeholder collaboration skills.

(Opportunity for Poland-based candidates)

Benefits:

• Tax-deductible costs on a contract of employment for all development roles
• Stable employment based on an employment contract
• Private Medical & Dental care & Life Insurance
• MyBenefit program (sports card, well-being program etc.)
• Internal Mobility program - possibility of rotation between projects, locations, accounts