QA Test Engineer Senior

Hi, I'm Juhi Banerjee, your Recruiter and guide to joining CSG! We are excited to learn more about you and your unique background. The Software Test Engineer Senior will work closely with developers, product owners, and operations teams to design and execute effective test coverage using Python, Behave, Playwright and Selenium, along with API, performance, regression and integration testing tools. The role requires strong analytical skills to understand complex system behaviors and translate requirements into meaningful test scenarios As part of CSG’s evolution toward modern quality practices, this role will also leverage AI‑assisted testing capabilities to accelerate test creation, improve automation maintainability, and enhance defect analysis. We are looking for a QA Test Engineer Senior who will: Reviews and analyzes complex software architectures and system integration to comprehensive test plans that ensure full requirements coverage.

Software development capabilities with knowledge of Python, JavaScript and scripting languages. Design, implement, and maintain automated test suites using BDD with Playwright and Selenium framework, supporting functional, regression, and integration testing across web applications.

Execute manual and automated tests, document results, analyze failures, perform root cause analysis, and clearly communicate quality risks and outcomes.

Quickly understand new features and enhancements, assessing their impact on existing functionality and identifying appropriate test coverage.

Participate actively in Agile practices, including sprint planning, standups, reviews, demos, retrospectives, and continuous improvement activities.

Collaborate with cross-functional teams (development, product, networking, and operations) to support timely issue resolution and quality improvements.

Apply AI-assisted testing tools and techniques (e.g., AI-generated test scenarios, smarter test maintenance, failure pattern analysis, or exploratory testing support) to improve efficiency and test effectiveness.

Contribute as a proactive team member, collaborating to solve complex quality and system-level challenges.

Is this opportunity right for you? We are looking for candidates who have: A bachelor’s degree in computer science, Engineering, or a related field, or equivalent practical experience.

Intermediate to fluent Englishproficiency.

5-7+ years of experience in software testing or quality engineering roles.

Proven experience in software testing automation.

Experience leading other junior QA Testing Engineers.

Strong understanding of the Software Development Life Cycle (SDLC) and Agile/iterative methodologies.

Hands-on experience with modern test automation frameworks, including Playwright, Selenium and Behave (BDD).

Experience with programming/scripting languages such as Python, JavaScript or Ruby (is a plus)

Experience with performance and non-functional testing tools such as JMeter.

Familiarity with Linux-based environments; scripting experience is a plus.

Exposure to CI/CD pipelines and DevOps-oriented quality practices.

Interest in or experience with AI-assisted testing approaches, including the use of AI to accelerate test development, improve automation stability, or support defect analysis.

Perks & Benefits Sulamerica Health

Sulamerica Dental

Vidalink

Food/Meal Voucher

Child Care Assistance

Day off: on birthday

Gympass

Language assistance

Digital course platform

Volunteer time off: 2 days a year

Location(s): Brazil Remote

Accommodation: If you would like to be considered for employment opportunities with CSG and need special assistance due to a disability or accommodation for a disability throughout any aspect of the application process, please call us at Ver o número de telefone no euspert.app or email us at CSG provides accommodations for persons with disabilities in employment, including during the hiring process and any interview and/or testing processes. Our Guiding Principles: Impact:

Always help and empower others, whether they’re colleagues or customers. When our employees set their minds to something, great things happen. Integrity:

Do what’s right for our customers and our people while being authentic. We treat everyone with trust and respect—that’s just who we are. Inspiration:

Be bold in the way you think and passionate about the work you do. Test out innovative ideas without the fear of failure. Our Story: CSG empowers companies to build unforgettable experiences, making it easier for people and businesses to connect with, use and pay for the services they value most. For over 40 years, CSG's technologies and people have helped some of the world's most recognizable brands solve their toughest business challenges and evolve to meet the demands of today's digital economy. By channeling the power of all, we make ordinary customer and employee experiences extraordinary. Our people [CSGers] are fearlessly committed and connected, high on integrity and low on ego, making us the easiest company to do business with and the best place to work. We power a culture of integrity, innovation, and impact across our locations, representing the most authentic version of ourselves to build a better future together. That's just who we are. Learn more about CSG Inclusion & Impact here.