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Runtalent

AI Engineer – Senior

Runtalent

. Develop AI agents and LLM-based workflows in Python using LangChain and LangGraph .

Posted 10/23/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in developing AI agents and LLM-based workflows using Python, LangChain, and LangGraph, while integrating with APIs and enterprise systems. Proficient in optimizing AI solutions for performance, cost, and compliance with data privacy principles.

Highest-signal resume keywords
Python DevelopmentLangChain and LangGraphRAG PipelinesAPI IntegrationLLM Evaluation Tools

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
PythonLLMsLangChainLangGraphRAGFastAPIFlaskDockerGitCloud Platforms
Tools & Technologies
OpenAIAnthropic ClaudeAzure OpenAIPgvectorPineconeChromaFAISSLangSmithLangfuseN8n
Industry Keywords
AI AutomationData PrivacySecurity PrinciplesMCPToken Management

Tech Stack

Tools & technologies
AirflowAWSAzureDockerFlaskGoogle Cloud PlatformOpen SourcePythonRPA

About the role

Key responsibilities & impact
  • Develop AI agents and LLM-based workflows in Python using LangChain and LangGraph
  • Map business processes and identify opportunities for AI-powered automation
  • Implement RAG pipelines over knowledge bases and internal documents
  • Integrate agents with the company’s systems, APIs, and databases
  • Evaluate, monitor, and improve response quality, latency, and solution costs
  • Deploy solutions to production with testing, version control, and documentation

Requirements

What you’ll need
  • Experience developing in Python, including APIs, automation, and integrations
  • Hands-on experience with LLMs, including OpenAI, Anthropic Claude, Azure OpenAI, Gemini, or open-source models, as well as prompt engineering
  • Experience developing AI agents with LangChain and LangGraph, including tool calling, memory, multi-step workflows, and multi-agent orchestration
  • RAG (Retrieval-Augmented Generation), including embeddings, chunking, and vector databases such as pgvector, Pinecone, Chroma, FAISS, or similar technologies
  • Experience integrating REST APIs and enterprise systems to automate end-to-end processes
  • Experience building services with FastAPI or Flask, Docker, and Git with CI/CD
  • Experience with at least one cloud platform, such as AWS, Azure, or GCP, for deploying AI solutions
  • Experience with LLM evaluation and observability tools, such as LangSmith, Langfuse, RAGAS, or similar technologies, as well as guardrails
  • Experience with MCP (Model Context Protocol) and integrating agents with external tools
  • Familiarity with automation and orchestration tools, such as n8n, Airflow, and RPA
  • Experience optimizing LLM costs and latency through caching, model selection, and token management
  • Understanding of security and data privacy principles applied to AI, including Brazil’s LGPD and sensitive data

Benefits

Comp & perks
  • None explicitly stated