X Software
AI Product Engineer (Full‑Stack)
Design and ship AI‑powered product features end‑to‑end: prompts, retrieval, evaluation, and UX.
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Job Details

AI Product Engineer (Full‑Stack)

Remote (GMT±3) • Full‑time

Design and ship AI‑powered product features end‑to‑end: prompts, retrieval, evaluation, and UX.

We build pragmatic AI features that improve user outcomes—measured, safe, and maintainable.

Responsibilities

  • Design prompt architectures and retrieval (RAG) with vector stores
  • Integrate LLM providers (OpenAI/Anthropic) and manage fallbacks
  • Implement evaluation harnesses and guardrails for safety
  • Build UIs with React/Next.js and APIs with Node.js/TypeScript
  • Measure quality with offline/online metrics and iterate

Requirements

  • Solid software engineering with TypeScript/Node.js and React
  • Hands‑on experience shipping features with LLMs (chat, summarization, extraction)
  • Familiarity with vector databases (e.g., Pinecone, pgvector, Weaviate)

Nice to Have

  • Prompt engineering and evaluation frameworks
  • LangChain/LlamaIndex or custom pipelines
  • Experiment design (A/B, interleaving)

What We Offer

  • Remote‑first, flexible hours
  • GPU budget for experiments
  • Learning stipend

Hiring Process

  1. Intro call
  2. Technical deep‑dive (systems + AI)
  3. Practical task (RAG or agent)
  4. Team interview and offer

Compensation

Competitive salary + bonus; additional budget for compute