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CI&T

Master AI / Machine Learning Specialist, AWS

CI&T

MASTER AI / Machine Learning Specialist designing AI solutions using AWS for CI&T's innovative media planning platform.

Posted 5/29/2026full-timeRemote • 🇧🇷 BrazilMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
AWSDynamoDBRayTerraform

About the role

Key responsibilities & impact
  • Design and implement multi-agent AI architectures using AWS Bedrock
  • Develop agent orchestration logic and collaborative agent workflows
  • Configure and manage AWS Bedrock Agents, Knowledge Bases, and Guardrails
  • Build Retrieval-Augmented Generation (RAG) pipelines using vector databases and embeddings
  • Implement tool integrations using Model Context Protocol (MCP) and API-based services
  • Optimize LLM behavior through prompt engineering, tuning, and context management
  • Develop observability and monitoring strategies for AI workflows using CloudWatch and X-Ray
  • Build scalable event-driven architectures and resilient integration patterns
  • Design error handling, retry strategies, and graceful degradation mechanisms
  • Collaborate with engineering, product, and architecture teams to deliver production-grade AI solutions
  • Support infrastructure automation and deployment pipelines using IaC and CI/CD practices
  • Ensure governance, security, auditability, and compliance standards across AI systems

Requirements

What you’ll need
  • Proven experience building production AI/ML systems on AWS
  • Strong hands-on expertise with AWS Bedrock Agents (AgentCore)
  • Experience designing multi-agent systems and agent orchestration workflows
  • Experience with AWS Bedrock Knowledge Bases (RAG), vector embeddings, and OpenSearch Serverless
  • Expertise with AWS Bedrock Guardrails, including PII protection and content governance
  • Experience implementing tool calling, function invocation, and state management
  • Strong prompt engineering and LLM optimization experience
  • Deep understanding of AWS observability tools: CloudWatch, X-Ray, Distributed tracing
  • Experience with: API Gateway, DynamoDB, Event-driven architectures
  • Familiarity with Infrastructure as Code: Terraform, AWS CDK
  • Strong knowledge of RESTful APIs and integration patterns
  • Experience with CI/CD pipelines for ML and AI systems
  • Ability to design resilient and fault-tolerant AI applications
  • Strong communication, collaboration, and technical documentation skills
  • Nice to Have: Experience with Model Context Protocol (MCP)
  • Experience with AWS Step Functions for workflow orchestration
  • Familiarity with: CloudFront, S3, AWS WAF
  • Knowledge of conversational AI UX patterns and hybrid interaction models
  • Experience with session persistence and conversation state management
  • Understanding of compliance and governance requirements: PII handling, Audit trails, Data retention
  • Experience optimizing AWS Bedrock and OpenSearch operational costs
  • Familiarity with LLM evaluation frameworks and AI quality metrics
  • Experience with multi-turn dialogue management and context preservation
  • Knowledge of explainability and AI reasoning visualization techniques

Benefits

Comp & perks
  • 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!

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
multi-agent AI architecturesagent orchestrationAWS BedrockRetrieval-Augmented Generation (RAG)prompt engineeringLLM optimizationInfrastructure as Code (IaC)CI/CD practicesAPI-based servicesvector databases
Soft Skills
communicationcollaborationtechnical documentationdesign resilienceerror handlinggraceful degradationmonitoring strategiesteam collaborationproblem-solvingadaptability