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CI&T

Senior AI Engineer

CI&T

. Own AI solutions from technical discovery through production and continuous improvement .

Posted 10/2/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and delivering production-grade Generative AI and LLM-based solutions, with a strong foundation in Python development and software engineering principles. Proficient in evaluating AI frameworks, orchestration patterns, and cloud-native practices to ensure scalable and reliable AI applications.

Highest-signal resume keywords
Python DevelopmentGenerative AI SolutionsAI Frameworks (LangGraph, LangChain, etc.)Cloud-Native PracticesAI Evaluation and Observability

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Software Design PrinciplesAPIs and Asynchronous WorkflowsEmbeddings and Vector SearchMulti-Agent SystemsDockerCI/CDAutomated TestingVersion ControlRAG and Agentic AI PatternsTechnical Trade-Off Assessment
Soft Skills
CollaborationTechnical GuidanceProblem-SolvingCommunication
Tools & Technologies
OpenAI Agents SDKDatadog LLM ObservabilityLangSmithOpenTelemetryGitHub
Industry Keywords
Human-in-the-LoopLong-Running WorkflowsGuardrailsObservability PracticesEnterprise Knowledge Retrieval

Tech Stack

Tools & technologies
AWSAzureCloudDockerPythonSDLC

About the role

Key responsibilities & impact
  • Own AI solutions from technical discovery through production and continuous improvement
  • Design and evolve Generative AI, RAG, and agentic applications
  • Define technical approaches considering quality, scalability, security, cost, maintainability, and operational impact
  • Design agents and workflows that interact with tools, APIs, databases, messaging systems, and enterprise platforms
  • Define orchestration patterns such as Human-in-the-Loop, long-running workflows, retries, fallback strategies, and deterministic controls
  • Establish evaluation, observability, guardrails, and reliability practices for AI applications
  • Guide model, retrieval, framework, and infrastructure choices based on technical trade-offs
  • Troubleshoot complex production issues involving models, prompts, retrieval, tools, integrations, and infrastructure
  • Collaborate with architects, engineers, product teams, and business stakeholders, providing technical guidance when needed
  • Support other engineers and contribute to engineering standards and best practices for AI solutions

Requirements

What you’ll need
  • Strong Python development skills and solid software engineering foundations
  • Proven ability to design and deliver production-grade Generative AI and LLM-based solutions
  • Deep knowledge of software design principles, including modularity, separation of concerns, testability, maintainability, resiliency, and clean interfaces
  • Ability to design services, APIs, asynchronous workflows, and distributed components for production environments
  • Hands-on knowledge of RAG and agentic AI patterns, including tool use, function calling, orchestration, Human-in-the-Loop, and guardrails
  • Strong understanding of embeddings, vector search, retrieval strategies, chunking, reranking, and enterprise knowledge retrieval
  • Proficiency with AI frameworks or SDKs such as LangGraph, LangChain, Semantic Kernel, LlamaIndex, OpenAI Agents SDK, Strands, or similar
  • Practical knowledge of multiple LLM providers such as OpenAI, Anthropic Claude, Google Gemini, Azure OpenAI, AWS Bedrock, or similar
  • Ability to assess trade-offs between models, providers, orchestration approaches, retrieval strategies, and infrastructure options
  • Strong knowledge of AI evaluation and observability, including quality, tracing, latency, token usage, failures, and cost
  • Good understanding of cloud-native practices such as scalability, resiliency, secrets management, configuration management, observability, and access control
  • Strong working knowledge of Docker, CI/CD, automated testing, and version control
  • Fluent English for technical discussions with international stakeholders
  • Knowledge of multi-agent systems and long-running agent workflows
  • Background in Agentic SDLC, coding agents, GitHub, or developer tooling integrations
  • Familiarity with knowledge graphs, GraphRAG, or hybrid retrieval architectures
  • Hands-on knowledge of Datadog LLM Observability, LangSmith, OpenTelemetry, or similar platforms

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
  • Health and Well-being team, inclusion specialists, and affinity groups
  • Support and accommodations for people with disabilities during the selection process