Empresa: CI&T
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.