We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions.
With over 7.400 CI\&Ters around the world, we’ve built partnerships with more than 1,000 clients during our 30 years of history. Artificial Intelligence is our reality.
We are looking for AI-first engineers who use Generative AI as a foundation of software engineering. This role applies AI across the full Product Development Lifecycle, from requirements and design to deployment and operations. You will design and build AI Agents, apply advanced prompting techniques, and implement architectures like RAG, ReAct, and Chain of Thought. You will also leverage short and long-term memory, MCP, A2A, ACP, and Agentic AI patterns. The ideal candidate uses AI IDEs every day and sees AI not as a tool, but as the core of how modern engineering is done.
Responsibilities: Translate product and engineering challenges into AI-driven solutions that enhance speed, quality, and outcomes
Build and deploy AI Agents with advanced reasoning, integrating memory, MCP and A2A.
Apply prompt engineering, RAG, Chain of Thought, ReAct, and other modern AI frameworks to real-world use cases
Partner with product and engineering teams to embed AI into requirements, coding, testing, monitoring, and operations
Prototype, test, and scale AI solutions, balancing experimentation with production readiness
Design and run evals to test LLM outputs for quality, reliability, and safety
Support pre-sales and client discussions by demonstrating applied AI use cases and outcomes
Stay ahead of research and practice in GenAI and bring them into daily engineering practice
Communicate findings and trade-offs clearly to both technical teams and executives
Required qualifications:
Bachelor's Degree in Computer Science, Engineering, Applied Math, or related fields
Strong programming background in Python (or similar)
Strong communication skills in English, both technical and business-oriented
Exposure to cloud native environments
Nice to haves:
Previous experience as an AI Developer
Knowledge of reasoning strategies (Chain of Thought, ReAct)
Experience with Agentic AI frameworks, autonomous agents and multi-agent orchestration
Experience designing and applying evals to validate LLM outputs
Experience with Knowledge Graphs, or hybrid RAG approaches
Experience monitoring AI systems for performance, accuracy, and cost
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. 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.