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CI&T

AI-driven digital solutions and nearshore development

Senior AI Engineer

AI Application EngineeringConfirmed live in the last 24 hours
Full-timeRemote in BrazilNo salary listedRemote

About the Job

Requirements

  • Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, Information Systems, or a related field.
  • Advanced English proficiency, with the ability to communicate effectively in a global environment.
  • Strong experience developing and deploying Generative AI solutions in production environments.
  • Experience designing technical architectures for complex, business-critical enterprise solutions.
  • Experience technically leading complex, multidisciplinary initiatives.
  • Advanced proficiency in Python.
  • Experience with LangChain, LangGraph, Semantic Kernel, LlamaIndex, or equivalent frameworks.
  • Experience with OpenAI, Azure OpenAI, Anthropic, Gemini, or similar AI platforms.
  • Advanced knowledge of Retrieval-Augmented Generation architectures, embeddings, and semantic search.
  • Experience with vector databases such as Pinecone, Weaviate, Qdrant, Milvus, or equivalent technologies.
  • Experience developing application programming interfaces and microservices.
  • Experience with Azure, Amazon Web Services, or Google Cloud Platform.
  • Knowledge of observability, monitoring, and reliability engineering practices.

Responsibilities

  • Design AI solution architectures, considering performance, scalability, security, technical governance, operational costs, and long-term sustainability.
  • Build AI-powered products and platforms, ensuring strong engineering quality and alignment with business objectives.
  • Design and develop intelligent agents and multi-agent systems, including planning, reasoning, task orchestration, tool usage, and integration with multiple data sources.
  • Build advanced Retrieval-Augmented Generation architectures, leveraging embeddings, vector databases, GraphRAG, hybrid search, reranking, and grounding techniques.
  • Integrate AI solutions with enterprise ecosystems, including enterprise resource planning systems, customer relationship management systems, transactional systems, data platforms, and business-critical applications.
  • Evaluate and experiment with large language models, Small Language Models, multimodal models, and other components of the AI technology stack.
  • Define metrics and AI evaluation strategies to ensure solution quality, accuracy, consistency, and reliability.
  • Implement observability and monitoring for AI applications, tracking performance, quality, cost, usage, latency, security, and model behavior.
  • Establish large language model operations practices, including development, testing, versioning, deployment, and monitoring pipelines.
  • Act as a technical reference, influencing architectural decisions, promoting engineering best practices, and contributing to the technical evolution of the AI practice.

Desired Qualifications

  • Experience building AI platforms used across multiple clients, products, or business units.
  • Experience implementing multi-agent architectures in production.
  • Knowledge of fine-tuning, parameter-efficient fine-tuning, Low-Rank Adaptation, and other model customization techniques.
  • Experience with knowledge graphs and GraphRAG.
  • Experience with automated large language model evaluation and AI evaluation frameworks.
  • Advanced knowledge of machine learning operations and large language model operations.
  • Experience with modern data platforms such as Databricks or Snowflake.
  • Contributions to technical communities, open-source projects, or AI-related publications.
  • Advanced certifications in AI, cloud architecture, or software engineering.

About the Company

CI&T

AI-driven digital solutions and nearshore development

CI&T provides digital solutions to help brands transform their businesses through technology. It focuses on digital strategy and software engineering, offering services such as AI-powered solutions, customer-centric design, and nearshore software development. Products and engagements work by delivering tailored digital initiatives through long-term partnerships, project-based work, and ongoing maintenance; its MRVP approach helps navigate compliance in regulated industries while still enabling innovation. CI&T differentiates itself through a global delivery model, a focus on diversity and inclusion, and an emphasis on combining strategy, engineering, and design to drive business transformation. The company targets a wide range of clients, including regulated sectors and quick-service restaurants, and aims to help clients maximize resources, scale rapidly, and thrive in a post-digital transformation landscape.

Company size
5,001-10,000
Company stage
IPO
Headquarters
São Paulo, Brazil
Founded
1995

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