Senior Test Engineer

QAT Global, a US-based IT consulting firm with over 30 years of experience, is looking for a

Senior Test Engineer

to join our growing team. We are proud to deliver world-class technology solutions with teams across the US, Costa Rica, and Brazil. This is a full-time, remote position ( CLT hire in Brazil only ), offering the opportunity to collaborate directly with our US-based client and international development teams.

About the Role: As a Senior Test Engineer, you will play a key role in ensuring the quality, reliability, and performance of web and API-based applications. You will work closely with developers, product owners, and cross-functional teams to design and execute test strategies that support modern engineering practices and high-quality software delivery. This role is ideal for someone with strong automation expertise, a deep understanding of quality engineering, and the ability to collaborate effectively in distributed Agile teams.

Responsibilities:

Design, develop, and execute automated test scripts for web applications using

Selenium WebDriver . Create and maintain automated tests for RESTful APIs, including validation of headers, payloads, and data structures. Develop and support test frameworks using

Java ,

Cucumber , and

Maven . Configure and maintain CI/CD pipelines within

Jenkins , integrating version control and build tools. Validate data integrity through SQL queries and support backend testing. Troubleshoot issues by analyzing logs, debugging test failures, and collaborating closely with development teams. Work with JIRA for requirement management and defect tracking, and Confluence for documentation. Participate in Agile ceremonies, collaborate across global teams, and contribute to continuous improvement initiatives.

Required Qualifications:

Strong experience

with

Selenium , including locators, waits, and driver configuration. Strong experience

in REST API testing, including JSON/XML validation, HTTP verbs, Postman, and Swagger. Good experience

with

Java , including control structures, exception handling, and database queries. Solid understanding

of SQL, including DML, joins, and basic schema definitions. Good experience

with

Jenkins , including job configuration and integrating Git/SVN and Maven. Hands-on experience

with

Cucumber , including writing feature files and step definitions. Excellent communication skills in English

and ability to work with distributed teams. Strong understanding of software testing best practices, debugging techniques, and problem-solving. Familiarity with Agile/Scrum methodologies.

Preferred Qualifications (Nice to Have):

Experience with Allure reporting. Background in test strategy definition or QA process improvements. Exposure to DevOps practices or willingness to learn. Experience in highly collaborative, fast-paced environments.