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Open nowPosted 23 days ago

AI Engineer – LLM Applications (US Startup · Remote LATAM)

itmates9 open roles

Where
International
Work mode
Remote
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Your applicationOpen nowAI Engineer – LLM Applications (US Startup · Remote LATAM)itmates · International

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12.1% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: posted 23 days ago

The posting

Client: mid-size US startup (Series B, about 150 people) · Location: remote, LATAM, 4+ hours overlap with US Eastern · Level: mid Engagement: full-time contractor

You will ship LLM-powered features into a B2B SaaS product, working with product engineers from prototype to production.

What you will do

  • Build retrieval-augmented generation pipelines and agent workflows on top of commercial and open-source LLMs
  • Write and version prompts, tools and evaluation sets
  • Integrate AI features into the product's Python and TypeScript services
  • Measure quality, latency and cost, and improve them release over release
  • Add guardrails, logging and tracing for production use

What you bring

  • 3+ years of software engineering, at least 1 building LLM applications in production
  • Strong Python; experience with an LLM framework or SDK (LangChain, LlamaIndex or direct provider APIs)
  • Vector databases (pgvector, Pinecone or Weaviate) and embedding-based search
  • API design, testing and CI/CD habits
  • Advanced English

Nice to have

  • Evaluation tooling (LangSmith, Braintrust, Ragas)
  • TypeScript and React
  • Fine-tuning or classical ML background
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