[Job-30012] Senior Tester, São Paulo (Hybrid)

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.

We're looking for a QA Engineer to join an international team building high-quality, scalable applications.

What you'll be working with

API automation testing Contract Testing (PACT) REST Assured Cucumber JUnit Mockito WireMock PIT (Mutation Testing) JMeter (Performance Testing) You'll be responsible for Designing and maintaining automated test suites Validating REST APIs and service integrations Implementing and maintaining contract tests using PACT Developing BDD test scenarios with Cucumber Supporting mutation testing initiatives using PIT Executing performance tests with JMeter Working closely with developers to improve software quality throughout the SDLC Participating in Agile ceremonies and collaborating with cross-functional teams Nice to have Experience with Operational Acceptance Testing (OAT) Basic security testing knowledge (DAST and advanced security testing are handled by dedicated security teams) Experience with CI/CD pipelines We're looking for someone who has Strong experience in test automation Solid understanding of REST APIs Experience working in Agile environments Good communication skills Advanced English This is a hybrid role. Candidates must be available to work at the client’s office twice a week