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[Job-30817] Senior AI Engineer, Brazil

Summary

Build and deploy AI-powered agents and workflows using LLMs, RAG, and agentic frameworks to modernize enterprise software and drive scalable AI solutions.

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 are looking for a Senior AI Engineer to join our team and help build the next generation of AI-powered products and solutions.

In this role, you will leverage Generative AI as the foundation of software engineering, applying AI across the entire product development lifecycle, from requirements and design to deployment, monitoring, and continuous optimization. You will design and build intelligent agents, implement advanced AI architectures, and collaborate with cross-functional teams to deliver innovative, scalable, and production-ready solutions.

Requirements

  • Bachelor's degree in Computer Science, Engineering, Applied Mathematics, or a related field.
  • Strong software engineering experience using Python or a similar programming language.
  • Hands-on experience with Generative AI frameworks, APIs, and modern LLM ecosystems.
  • Proven experience building AI Agents and agentic workflows using Prompt Engineering, Context Engineering, AI Steering, RAG, and Model Context Protocol (MCP).
  • Experience with LLMOps, LLM observability, tracing, and evaluation frameworks.
  • Solid understanding of AI security practices, including guardrails, prompt injection mitigation, and secure data integration.
  • Experience with Agent-to-Agent (A2A) and Agent Coordination Protocol (ACP).
  • Experience deploying AI solutions throughout the software development lifecycle, from design to production and monitoring.
  • Understanding of short- and long-term memory implementation in AI agents.
  • Experience working in cloud-native environments.
  • Strong communication skills in English, with the ability to engage both technical and business stakeholders.
  • Ability to work independently while collaborating effectively in cross-functional teams.

Nice to Have

  • Experience with reasoning strategies such as Chain of Thought and ReAct.
  • Hands-on experience with Agentic AI frameworks and multi-agent orchestration tools such as LangGraph or CrewAI.
  • Experience with LLM optimization, fine-tuning, and production inference deployment.
  • Experience developing custom Model Context Protocol (MCP) servers.
  • Knowledge of Knowledge Graphs and Hybrid RAG architectures.
  • Experience designing and implementing LLM evaluation frameworks.
  • Experience monitoring AI systems for performance, accuracy, reliability, and cost optimization.
#LI-GP1
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:
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.

What this application asks

lever

Resume/CV, Full name, Pronouns, Email, Phone, Current location, Current company, LinkedIn URL

  • How did you hear about our job opening? choose one · optional
  • Do you have any relatives (such as parents, siblings, in-laws, spouses, or children, stepchildren, stepfather/stepmother, son-in-law/daughter-in-law), close friends, or acquaintances (with whom you have a significant and ongoing relationship) who currently work at CI&T? choose one · optional
  • If the previous answer is Yes, please share the name(s) of these individuals. optional
  • Do you have availability for on-site work at the Campinas office (Brazil) every day? Just for informational purposes, in case your application is considered for other open positions. choose one · optional
  • Do you require any type of accessibility for the selection process and/or in your daily life?? choose one · optional
  • The answers below are optional. This data will be used for our affirmative actions. Considering this scenario, do you feel comfortable answering the questions below? choose one · optional
  • Would you like to tell us your gender identity? choose one · optional
  • Are you part of the LGBTQIAP+ community? choose one · optional
  • How do you self-declare your color/race? choose one · optional
  • Are you a person with disabilities? choose one · optional
  • If so, tell us what type of disability you have choose one · optional
  • IMPORTANT! If you answered that you are a person with a disability, this step is mandatory. Attach the medical report here upload · optional
  • What is your salary expectation for this position? (Brazilian Reals - CLT)
  • [EN] What is your level of confidence when communicating and collaborating in an English-speaking work environment? choose one · optional
  • How comfortable do you feel working in an English-speaking environment?
  • [ES] What is your level of confidence when communicating and collaborating in an Spanish-speaking work environment? choose one · optional
  • Confirm the name of the company where you work/ Confirme o nome da empresa em que você trabalha atualmente
  • By selecting the option below, I declare that I have read, understood, and agree to the terms of this document, and I consent to the processing of my personal data by CI&T and Lever for the purposes described herein. Read the document here: https://drive.google.com/file/d/1dMaskYl2VD1AtN9MfiHrZiA-YFYwq8aI/view choose one · optional