At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.
With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.
We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.
Summary
We are looking for an experienced QA tester to join our team and help us design, build, and support a new website platform for one of our clients. The ideal candidate will have a proven track record of ensuring high quality software delivery of CMS powered, web applications & APIs with enterprise-level organizations. We would also love it if you are passionate about problem solving with fantastic attention to detail.
Responsibilities
Design and develop test plans for the project requirements & scope including device & browser matrix
Design and orchestrate agentic workflows for testing: breaking a quality objective into steps an agent can execute, giving it the right context and tools, and validating what comes back.
Perform manual and automated testing as required
Setting up & writing test suites to automate functional, non-functional, integration, regression & end to end testing for the developed web applications & APIs
Analyze test results, identify and report defects
Review product and technical specifications to ensure they are unambiguous and testable
Work with developers to fix defects
Work closely with colleagues and client teams in the UK and Brazil
You will take part in peer review of team deliverables, attend and take part in agile ceremonies, and demonstrate delivery of your work to client stakeholders at the end of each sprint
Stay up-to-date on the latest testing methodologies and tools
Advising & implementing web accessibility best practices
We are looking for someone that has:
Solid experience in testing CMS based web applications including functional, non-functional and usability testing
Prior experience in leading & defining the QA strategy and scoping
Experience writing test plans based on user story scenarios and non-functional requirements
Hands-on use of AI tools in real delivery work, including AI coding assistants, LLM based test generation, or AI supported analysis
Experience querying & testing RESTful type APIs
At home with UI & API testing automation (e.g. Selenium, Postman, etc…)
Deep BDD knowledge and experience in writing scenarios using the Gherkin syntax and frameworks like Specflow or Cucumber
Have a real passion for finding software bugs
Experience with accessibility testing and knowledge of accessibility standards (e.g., WCAG)
Excellent problem-solving skills and the ability to analyze and communicate test results effectively
Strong attention to detail and a passion for delivering high-quality software products
Practical knowledge of cross-platform, cross-browser development and website testing techniques
Working knowledge of continuous delivery and continuous integration to deliver software incrementally and in an agile way (git, gitFlow, CI/CD pipelines, etc…)
Working within a project management/agile delivery methodology as part of a wider team
Fluent in English
Here are some other skills and experience that would be considered a plus for this role:
Experience with the Headless CMSs such as Storyblok and Sanity
Experience with agentic SDLC or spec-driven development practices, where specifications and agents drive part of the implementation.
Familiarity with agent tooling and integration patterns (MCP servers, tool calling, multi-agent orchestration).
Experience building evaluation approaches for AI-generated artifacts
Testing of AI-powered products themselves: non-deterministic behavior, hallucination risk, model regressions.
Experience with security and compliance best practices
Familiarity with web analytics tools
Experience writing performance & benchmarking scripts
Exposure to semantic HTML & SEO testing
#LI-BM2
Skills Required
- Solid experience testing CMS-based web applications, including functional, non-functional, and usability testing
- Experience leading and defining QA strategy and scope
- Experience writing test plans based on user stories and non-functional requirements
- Hands-on use of AI tools in real delivery work, including AI coding assistants, LLM-based test generation, or AI-supported analysis
- Experience querying and testing RESTful APIs
- Experience with UI and API test automation, such as Selenium and Postman
- Deep BDD knowledge and experience writing Gherkin scenarios with SpecFlow or Cucumber
- Experience with accessibility testing and knowledge of WCAG or similar standards
- Excellent problem-solving, analysis, and communication skills
- Strong attention to detail and commitment to software quality
- Knowledge of cross-platform, cross-browser development and website testing techniques
- Working knowledge of continuous integration, continuous delivery, Git, GitFlow, and agile delivery
- Fluent English
- Experience with headless CMS platforms such as Storyblok or Sanity
- Experience with agentic SDLC or spec-driven development
- Familiarity with MCP servers, tool calling, or multi-agent orchestration
- Experience evaluating AI-generated artifacts or testing AI-powered products
- Experience with security and compliance best practices
- Familiarity with web analytics tools
- Experience writing performance and benchmarking scripts
- Exposure to semantic HTML and SEO testing
What We Do
CI&T is your end-to-end digital transformation partner. As a digital native, we bring a 27-year track record of accelerating business impact through complete and scalable digital solutions. With a global presence of 6,000+ professionals in strategy, research, data science, design and engineering, we unlock top-line growth, improve customer experience and drive operational efficiency.








