AI engineering

Lucis
Paris
Workplace: OnsiteFull timeUSD 70,000 - 140,000 annuallyFunction: Data Science & Machine LearningExperience: 8+ yearsSkills: ["Ownership","Collaboration","Problem-solving","Communication","Critical thinking"]

Lead the AI engineering efforts to build and scale a multi-agent AI doctor system for preventive health. Own the reasoning engine, retrieval pipelines, data ingests from labs and wearables, production-grade LLM endpoints, and cross-functional collaboration with medical advisors to shipping reliable AI features for millions of users in Paris.

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FursaFursa
Lucis
Lucis
4 months ago

AI engineering

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 14 hours agoStatus: Live

Job Summary

Lead the AI engineering efforts to build and scale a multi-agent AI doctor system for preventive health. Own the reasoning engine, retrieval pipelines, data ingests from labs and wearables, production-grade LLM endpoints, and cross-functional collaboration with medical advisors to shipping reliable AI features for millions of users in Paris.
Location: Paris
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Director level

Key Responsibilities

  • •AI agent architecture — design and ship the multi-agent system behind our AI doctor: reasoning, planning, tool use, clinical citation, and safe fallback behavior
  • •Retrieval & knowledge — vector infrastructure, embedding pipelines, RAG architecture over clinical literature and user health data
  • •Data pipelines — ingestion and normalization from labs (Eurofins, Randox), wearables, and third-party partners. Clean data in, reliable inference out
  • •Production reliability — LLM endpoints that reason correctly at scale, with observability, evals, and failure modes you’ve thought through before they happen
  • •Medical collaboration — translate complex clinical requirements into agent workflows, working side by side with our medical advisors

Pay and Benefits

Salary: USD 70,000 - 140,000 annually

Key Requirements

  • •8+ years' experience building and shipping software and ML systems in production
  • •Shipped AI agents in production recently — core product, not a side project
  • •Hands-on with vector databases, retrieval pipelines, and LLM endpoints — Python-native, comfortable in LangChain or equivalent
  • •Experience designing AI agent architectures, retrieval/knowledge management, and data pipelines
  • •Experience working with health, finance, or legal data and building robust pipelines
Experience:8+ yearsHealthcareAIML systems
Skills:OwnershipCollaborationProblem-solvingCommunicationCritical thinking
Tech Stack:PythonLangChainPostgreSQLAWSTerraformClaude CodeCursor

Company Brief

Lucis
Lucis develops digital wellness products focused on improving mental health and wellbeing through personalized tools, content, and habit-forming programs aimed at stress reduction, better sleep, and emotional resilience.
Industry: Mental Health
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