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.** **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.****