[Job-26221] Senior Python Developer (AI), Brazil

We are **tech transformation** specialists, uniting human expertise with AI to create scalable tech solutions. With over 8,000 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 a **Senior Python Developer** to join our team and lead the development of scalable, high\-quality software solutions, with a strong focus on **Artificial Intelligence and Generative AI** applied to real\-world products. **Responsibilities*** Design, develop, and maintain backend applications and services using **Python;** * Architect and evolve **AI\-powered solutions**, from experimentation to production; * **Apply prompt engineering and Retrieval\-Augmented Generation (RAG) to real\-world use cases;** * **Prototype, test, and iterate on AI solutions**, balancing experimentation with production readiness; * **Stay current with advances in Generative AI** and translate them into practical applications; * Build and integrate **APIs and AI services** into existing systems; * Collaborate closely with Product, Data, and Engineering teams to define technical solutions; * Ensure code quality, scalability, and reliability through best practices, testing, and code reviews; * Contribute to architectural decisions and mentor other engineers when needed. **Requirements*** **Advanced English (speaking);** * Strong experience with **Python** in production environments; * Solid experience developing **backend services and APIs;** * **Hands\-on experience with Artificial Intelligence and Machine Learning;** * Experience with AI/ML libraries and frameworks (e.g. **TensorFlow, PyTorch, scikit\-learn**); * Experience working with **structured and unstructured data;** * **Exposure to agentic AI frameworks, autonomous agents, or multi\-agent orchestration;** * **Awareness of monitoring AI systems**, including evaluation and validation processes, as well as performance, accuracy, and cost monitoring; * Proficiency with **Git** and collaborative development workflows; * Experience working in **agile environments.** \#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: 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.