Ai/Llm Engineer — Python, Langchain, Rag, Aws Lambda (San Miguel)

OneSeven Tech (OST) • san miguel, buenos aires, Argentina • Posted June 22, 2026

Location san miguel, buenos aires
Job Type Full-time
Category Informática y tecnología
Posted June 22, 2026

Project Brief

We're building AI-powered products, primarily leveraging off-the-shelf LLM APIs, while also partnering with our Applied Science teams to integrate custom models when needed. You'll own end-to-end development of AI features — from prototyping to production — focused on reliability, accuracy, and scalable delivery.

Must-Haves

  • Strong Python engineering skills and experience delivering production systems
  • Hands‑on experience building with LLM APIs (OpenAI, Anthropic, etc.) and deploying AI features end‑to‑end
  • Experience with LangChain / LangGraph — including Prompt Engineering, Token Management, and Agent creation with tool‑based workflows
  • Experience building agentic workflows (tool use, routing, memory, safety/guardrails), ideally with MCP
  • Solid understanding of RAG concepts — retrieval, chunking, embeddings, re‑ranking, and evaluation
  • Practical AWS experience, especially AWS Lambda and serverles...

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