Senior SDET

Quality Ai; Portugal; Remote; EUR 42,000 - 64,000; Full time

Job summary

QualityAI is seeking a Senior SDET to join our team in Portugal. The ideal candidate will bring strong C# programming skills, deep API automation experience with RestSharp, and hands-on Azure DevOps experience to build and maintain robust automated testing suites.

You will design, implement, and integrate automated tests across CI/CD pipelines, while collaborating with developers, QA, and business analysts to ensure comprehensive test coverage and high-quality software releases.

Qualifications

• Strong hands-on C# programming experience.
• Proven API automation testing using RestSharp.
• Hands-on Azure DevOps experience.
• Experience with CI/CD pipelines.
• Experience developing automation frameworks.
• Knowledge of functional, regression, and API testing.
• Experience in collaborative development and QA environments.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication, independent and team-oriented work style.

Responsibilities

• Develop and maintain automated test scripts in C# for functional and regression testing.
• Design API automation tests using RestSharp.
• Integrate tests into Azure DevOps pipelines for continuous testing.
• Support and optimize CI/CD processes for testing and deployment.
• Collaborate with developers, QA engineers, and business analysts to define test strategies.
• Identify and track defects through the testing lifecycle.
• Improve automation frameworks, test data, and reporting processes.
• Provide guidance to junior team members.

Skills

C# programming

API automation testing

Azure DevOps

CI/CD pipelines

Automation frameworks

Functional testing

Regression testing

API testing methodologies

Collaborative QA

Analytical problem solving

Communication skills

Tools

RestSharp

RestAssured

Job description

Senior SDET

Date: 21 Oct 2026

Company: QualityAI

Country/Region: PT

Job Description

We are looking for a skilled Automation Test Engineer (SDET) with strong experience in C#, API automation, and DevOps practices to join our team and contribute to the development and maintenance of high-quality automated testing solutions.

Key Responsibilities

• Develop, execute, and maintain automated test scripts using C# for functional and regression testing.
• Design and implement API automation tests using RestSharp.
• Integrate automated tests into Azure DevOps pipelines to support continuous testing.
• Support and optimize CI/CD processes to ensure efficient testing and deployment cycles.
• Collaborate with developers, QA engineers, and business analysts to define test strategies and ensure comprehensive test coverage.
• Identify, document, and track defects throughout the testing lifecycle.
• Maintain and continuously improve automation frameworks, test data, and reporting processes.
• Provide technical guidance and knowledge sharing to junior team members.

Job Requirements

• Strong hands-on experience with C# programming- Mandatory.
• Proven experience in API automation testing using RestSharp- Mandatory.
• Hands-on experience with Azure DevOps- Mandatory.
• Strong knowledge and practical experience with CI/CD pipelines- Mandatory.
• Experience in developing and maintaining automation testing frameworks.
• Solid understanding of functional, regression, and API testing methodologies.
• Experience working in collaborative development and QA environments.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication skills and ability to work independently and as part of a team.

Advantages

• Experience with RestAssured.
• Experience mentoring junior automation engineers.