Senior QA Automation Specialist with C#

Xebia Group; United States; Remote; USD 90,000 - 130,000; Full time

Job summary

Xebia Group in the United States is seeking an experienced test automation engineer to design, develop, and maintain automated tests for frontend and backend applications, and to perform manual testing to ensure coverage. You will contribute to QA across the SDLC, develop test scripts in C# with Selenium and/or Playwright, and integrate tests into CI/CD pipelines.

Applicants should have 5+ years in test automation, strong frontend/backend testing, API testing with RestSharp, and experience with

Qualifications

• Five plus years of experience in test automation.
• Strong frontend and backend test automation experience.
• Proficiency in C#.
• Good understanding of the software development lifecycle (SDLC).
• Experience in manual testing.
• Hands-on experience with Selenium and/or Playwright.
• Experience with RestSharp for API testing.
• Experience in testing web applications.
• Practical experience with CI/CD pipelines.
• Practical experience using AI-powered assistants to improve productivity, quality, or decision-making in software delivery.
• Work from the European Union region and a work permit are required.

Responsibilities

• Design, develop, and maintain automated tests for frontend and backend applications.
• Perform manual testing to ensure comprehensive test coverage.
• Contribute to quality assurance throughout the SDLC.
• Develop and maintain automated test scripts using C# and Selenium and/or Playwright.
• Perform API testing using RestSharp.
• Integrate and maintain automated tests within CI/CD pipelines.
• Test web-based and desktop applications.
• Perform accessibility testing to ensure accessibility for users.
• Collaborate with developers and other team members to identify, investigate, and resolve quality issues.

Skills

Test automation

Frontend testing

Backend testing

C#

SDLC understanding

Manual testing

Selenium

Playwright

RestSharp

AI-powered assistants

Tools

Playwright

RestSharp

Job description

Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions.

We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products, combining deep technical expertise with a strong focus on engineering excellence and a people-first culture.

In the CEE region, we’re a team of nearly 1,000 experts delivering modern applications, data platforms, and AI solutions for clients such as Millennium, ING, Play, Edenred, Arabian Drilling, FedEx, Leroy Merlin, Truecaller, Volotea, Schmitz Cargobull, and many, many more. We work with leading technologies including AWS, Azure, GCP, Databricks, and Snowflake, and combine strong engineering culture with a consulting mindset and a continuous focus on growth and knowledge sharing.

You will be:

• designing, developing, and maintaining automated tests for frontend and backend applications,
• performing manual testing to ensure comprehensive test coverage,
• contributing to quality assurance throughout the software development lifecycle (SDLC),
• developing and maintaining automated test scripts using C# and Selenium and/or Playwright,
• performing API testing using RestSharp,
• integrating and maintaining automated tests within CI/CD pipelines,
• testing web-based and desktop applications,
• performing accessibility testing to ensure applications are accessible to users,
• collaborating with developers and other team members to identify, investigate, and resolve quality issues.

Your profile:

• at least 5 years of experience in test automation,
• strong experience in frontend and backend test automation,
• proficiency in C#,
• good understanding of the software development lifecycle (SDLC),
• experience in manual testing,
• hands-on experience with Selenium and/or Playwright,
• experience with RestSharp for API testing,
• experience in testing web applications,
• practical experience with CI/CD pipelines,
• practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery,
• Work from the European Union region and a work permit are required.

Nice to have:

Experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.

• Interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.