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.
At CI&T, we are seeking a highly skilled and motivated Senior SDET to join our team in Brasil. You will contribute to an innovative project in a collaborative, innovative, transforming, and multicultural environment.
Position Overview
As a Senior SDET, you will play a crucial role in ensuring the quality and reliability of our enterprise AI-powered conversational platform, featuring complex optimization engines and multi-agent orchestration. You will design and implement comprehensive testing strategies, collaborating closely with cross-functional teams to deliver high-quality solutions that meet client expectations.
Key Responsibilities
- Design and implement comprehensive test strategies for AI/ML systems, optimization engines, and API integrations.
- Build automated test frameworks for multi-agent workflows and conversational AI systems.
- Develop end-to-end integration tests across serverless cloud infrastructure.
- Create performance and load testing frameworks for optimization solvers.
- Validate mathematical optimization outputs and AI agent reasoning accuracy.
- Implement test observability using CloudWatch, X-Ray, and logging frameworks.
- Create dashboards to track test coverage, execution results, and quality metrics.
Required Skills and Qualifications Must-have Skills:
- Experience as SDET, QA, or Test Automation Specialist.
- Excellent English communication (B2 or higher – mandatory).
- Experience with test automation frameworks (Pytest, unittest, Robot Framework, Selenium).
- API testing expertise (Postman, REST Assured, requests library).
- AWS testing experience (Lambda, API Gateway, DynamoDB, S3).
- CI/CD pipelines and test integration (Jenkins, GitLab CI, GitHub Actions).
- Performance and load testing tools (Locust, JMeter, Gatling).
- SQL proficiency for data validation.
- Strong analytical and problem-solving skills.
Nice-to-have Skills:
- Experience testing AI/ML systems, LLMs, or conversational agents.
- Knowledge of optimization algorithm validation.
- Familiarity with AWS Bedrock, Lambda functions, and serverless architecture.
- Experience with contract testing and API mocking (Pact, WireMock).
- Understanding of Infrastructure as Code testing (CDK).
- Experience with observability tools (CloudWatch, X-Ray, DataDog).
At CI&T, we are driven by Collaboration, Innovation, and Transformation. We embrace AI to enhance our solutions and foster a culture of continuous improvement. Join us in shaping the future of technology and apply your skills to make a meaningful impact.
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