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ciandt

[Job-30012] Senior Tester

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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
Our benefits:
-Health and dental insurance
-Meal and food allowance
-Childcare assistance
-Extended paternity leave
-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
-Profit Sharing and Results Participation (PLR);
-Life insurance
-Continuous learning platform (CI&T University);
-Discount club
-Free online platform dedicated to physical, mental, and overall well-being
-Pregnancy and responsible parenting course
-Partnerships with online learning platforms
-Language learning platform
And many more!
More details about our benefits here: https://ciandt.com/br/pt-br/carreiras
At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here.This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.
We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.