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.

As CI&T grows, we seek a Senior Developer, AI Specialist to drive AI transformation in software engineering, designing, prototyping, and scaling agentic and GenAI solutions that improve developer experience, productivity, quality, and business outcomes.

Responsibilities:

AI Solution Design & Experimentation

Lead end-to-end ideation, rapid prototyping (PoCs), and validation of GenAI use cases in engineering workflows.

Define hypotheses, success metrics, and run experiments (A/B/offline evals) with rigorous, data-driven measurement.

Present findings and recommendations to senior leadership; iterate toward production-ready solutions.

Agent Engineering & Orchestration

Design and build AI agents and agent factories (multi-tool, multi-step, guardrailed) using Python/ Nodejs.

Implement orchestration with frameworks and protocols (e.g., LangChain/LangGraph, MCP—Model Context Protocol).

Integrate workflows with CI/CD pipelines; build reusable components and templates for scale.

Apply best practices in prompt engineering, tool use, memory, planning, and retrieval (RAG) with vector databases.

API & Microservices

Experience in designing and implementing RESTful APIs with Java/Kotlin, microservices architectures and distributed system.

LLMs & Platforms

Work hands-on with multiple LLMs and providers (OpenAI/Azure OpenAI, Anthropic, Google, open-source like Llama/Mistral).

Collaboration & Client Engagement

Partner with Engineering, Platform, DevEx, Finance, and Operations to embed AI in delivery workflows.

Communicate clearly with technical and non-technical audiences; drive alignment and adoption.

Engage with clients as needed (occasional onsite presence) for discovery, workshops, demos, and rollout.

Documentation

Maintain concise documentation for architectures, prompts/agents, evaluation methods, and playbooks.

Requirements:

Solid experience in backend development.

Proven experience in designing and implementing RESTful APIs, microservices architectures, and distributed systems.

Hands-on experience with messaging technologies (e.g., RabbitMQ, Kafka, EventHub) and event-driven architectures.

Practical experience or strong interest in integrating AI solutions into development processes, including the use of prompt engineering and related GenAI techniques.

Familiarity with CI/CD pipelines, version control systems (e.g., Git), and agile methodologies.

Advanced level in English to effectively read technical documentation and communicate with international teams.

Strong problem-solving abilities, attention to detail, and a commitment to delivering high-quality, performant code.

If you like it, just apply and good luck!

#LI-JM2

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.