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 Mid\-Level AI Engineer to join a delivery team building Generative AI and Agentic AI solutions for a global enterprise client. You will work closely with senior engineers, architects, and product teams to build and evolve AI solutions from experimentation to production. The role involves hands\-on development with RAG, AI agents, enterprise integrations, conversational AI, and intelligent workflows, supported by solid software engineering practices. ### **What you will do:** * Develop and evolve Generative AI and agentic applications. * Build RAG\-based solutions and enterprise knowledge retrieval components. * Implement AI agents that interact with tools, APIs, databases, and enterprise systems. * Work with orchestration patterns such as multi\-step workflows, tool use, and Human\-in\-the\-Loop. * Integrate LLM providers and cloud AI services. * Design maintainable and testable components following good software engineering practices. * Implement and maintain evaluation, observability, guardrails, and monitoring capabilities. * Write automated tests and contribute to CI/CD pipelines. * Troubleshoot and improve AI applications in production with support from senior team members. * Collaborate with engineers, architects, product teams, and business stakeholders. ### **Must\-have:** * Strong Python development skills and solid software engineering fundamentals. * Good understanding of software design principles, including modularity, separation of concerns, testability, maintainability, and clean interfaces. * Familiarity with common architectural patterns for APIs, services, asynchronous processing, and distributed applications. * Hands\-on knowledge of Generative AI and LLM\-based application development. * Ability to build RAG solutions and/or agentic workflows. * Familiarity with tool use, function calling, and workflow orchestration patterns. * Proficiency with at least one AI framework or SDK such as LangGraph, LangChain, Semantic Kernel, LlamaIndex, OpenAI Agents SDK, Strands, or similar. * Practical knowledge of at least one major LLM provider, such as OpenAI, * Anthropic Claude, Google Gemini, Azure OpenAI, AWS Bedrock, or similar. * Good understanding of embeddings, vector search, and knowledge retrieval concepts. * Familiarity with AI evaluation, observability, guardrails, and production monitoring. * Ability to integrate AI applications with APIs, databases, and cloud services. * Working knowledge of Docker, CI/CD, automated testing, and version control. * English proficiency for daily collaboration with international teams. ### **Nice\-to\-have:** * Exposure to multi\-agent or long\-running agent workflows. * Knowledge of Agentic SDLC or developer tooling integrations. * Familiarity with knowledge graphs or GraphRAG. * Hands\-on knowledge of Datadog LLM Observability, LangSmith, OpenTelemetry, or similar platforms. **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.