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.
#LI-CI
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.