Lucis

AI engineer

Paris, Remote. Posted 7 months ago

The role

You will own the reasoning engine, including AI agents, retrieval pipelines, clinical workflows, and production infrastructure. You will work with the medical team to translate clinical knowledge into reliable systems.

What you will do

  • Design and ship the multi-agent system including reasoning, planning, tool use, clinical citation, and safe fallback behavior
  • Manage vector infrastructure, embedding pipelines, and RAG architecture
  • Build data pipelines for ingestion and normalization from labs, wearables, and third-party partners
  • Ensure production reliability for LLM endpoints with observability and evals
  • Translate complex clinical requirements into agent workflows with medical advisors

Required qualifications

  • 8+ years experience building and shipping software and ML systems in production
  • Recently shipped AI agents in production as a core product
  • Hands-on with vector databases, retrieval pipelines, and LLM endpoints
  • Python-native
  • Comfortable in LangChain or equivalent
  • Write evals before shipping
  • Experience working with messy real-world data

Nice to have

  • Genuinely obsessed with health

About the company

Lucis is building the OS for human longevity to make preventive health the default for every human in Europe.

AI engineer at Lucis | JobZoey