The Role
Design and maintain scalable Python backends, integrate generative AI (LLMs, RAG, fine-tuning) into client products, communicate with clients, ensure code quality, and document services.
Summary Generated by Built In
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 seeking a highly skilled Software Developer with a strong background in integrating generative AI tools into client products. The ideal candidate will have proficiency in Python, C# or Java, thrive in a complex work environment with multiple stakeholders, and possess excellent communication skills to effectively collaborate with both team members and clients. Fluency in English is essential for daily interactions and intensive discussions.
Key Responsibilities:
Backend Development: Design, implement, and maintain robust and scalable backend architecture using Python.
Generative AI Integration: Leverage generative AI technologies to enhance client products, providing innovative solutions and tools.
Knowledge on Generative AI technical stacks and strategies (LLMs, RAG, Fine Tunning, Chain of Thought, etc.) and how to embed them into client’s products.
Client Communication: Engage with clients to understand their requirements, provide regular updates, and gather feedback to refine product features.
Code Quality and Best Practices: Ensure code maintainability, readability, and performance by adhering to best practices and conducting code reviews.
Documentation: Create and maintain comprehensive documentation for backend services and generative AI integrations.
Qualifications:
Education:
Bachelor’s degree in Computer Science, Software Engineering, or a related field.
Minimum of 5 years of experience in development using Python, C# or Java.
Proven experience in backend architecture design and implementation.
Familiarity with generative AI technologies and their application in product development.
Technical Skills:
Proficient in Python
Strong understanding of RESTful APIs, microservices architecture, and database management (SQL and NoSQL).
Experience with cloud services (e.g., AWS, Azure, Google Cloud) and containerization tools (e.g., Docker, Kubernetes).
Knowledge of machine learning concepts and libraries (e.g., TensorFlow, PyTorch) is a plus.
Soft Skills:
Excellent communication skills in Portuguese and English (both written and verbal). -
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.
Skills Required
- Bachelor's degree in Computer Science, Software Engineering, or related field
- Minimum of 5 years development experience using Python, C# or Java
- Proven experience in backend architecture design and implementation
- Proficient in Python
- Familiarity with generative AI technologies and application in products (LLMs, RAG, fine-tuning, chain-of-thought)
- Strong understanding of RESTful APIs, microservices architecture, and database management (SQL and NoSQL)
- Experience with cloud services (AWS, Azure, Google Cloud)
- Experience with containerization tools (Docker, Kubernetes)
- Knowledge of machine learning concepts and libraries (TensorFlow, PyTorch)
- Excellent communication skills in Portuguese and English (written and verbal)
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The Company
What We Do
CI&T is your end-to-end digital transformation partner. As a digital native, we bring a 27-year track record of accelerating business impact through complete and scalable digital solutions. With a global presence of 6,000+ professionals in strategy, research, data science, design and engineering, we unlock top-line growth, improve customer experience and drive operational efficiency.
