[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.