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Senior AI Platform Engineer - Data and Knolwedge

Montreal, Toronto, Vancouver, SF (Remote)

MaintainX is the world's leading Asset and Work Intelligence platform for industrial and frontline environments. We are a modern IoT-enabled cloud-based tool for reliability, safety, and operations on physical equipment and facilities. MaintainX powers operational excellence for 13,000+ businesses including Duracell, Univar Solutions Inc., Titan America, McDonald's, Brenntag, Cintas, Xylem, and Shell. 

We recently completed a $150 million Series D round, at a valuation of $2.5 billion.

We’re hiring a Senior AI Platform Engineer (Knowledge & Data) to build and own the LLM knowledge and retrieval layer that powers AI features across MaintainX. You’ll build backend services and pipelines that transform raw documents, APIs, and semi-structured data into production-grade knowledge systems, with clear patterns for ingestion, retrieval, ranking, and caching. Your work enables product teams to ship AI features quickly without re-solving knowledge preparation, retrieval quality, or reliability problems.

Please note that this is not a traditional data engineering role focused on analytics pipelines, warehouses, or BI. The focus is on LLM-facing knowledge systems, retrieval quality, and platform services that power AI products.

What you’ll do

  • Build scalable backend services and internal APIs for the AI platform.
  • Integrate LLMs and retrieval into reliable, production-ready workflows.
  • Build knowledge ingestion pipelines for LLMs (documents, APIs, semi-structured data).
  • Design chunking and embedding approaches together with vector DB data models and indexing strategies.
  • Implement retrieval pipelines (semantic, keyword, hybrid) and caching.
  • Contribute to shared infrastructure: CI/CD, observability, deployments.

You’re a good fit if you have

  • 5+ years of experience in Python backend engineering and  systems design experience.
  • Experience shipping AI-powered or LLM-integrated backend systems.
  • Experience with vector DBs (Qdrant/Pinecone/Chroma/etc.).
  • Understanding of embeddings, chunking, and retrieval strategies.
  • Experience building search or retrieval systems over unstructured data.
  • Comfort working across multiple layers (services, data, infra, AI tooling).

What’s in it for you:

  • Competitive salary and meaningful equity opportunities.
  • Healthcare, dental, and vision coverage.
  • 401(k) / RRSP enrollment program.
  • Take what you need PTO.
  • A Work Culture where:
    • You’ll work alongside folks across the globe that reflect the MaintainX values: Smart Humble Optimists.
    • We believe in meritocracy, where ideas and effort are publicly celebrated.

About us:

Our mission is to deliver one platform for maintenance, repair & operations teams to keep the physical world running. We believe the greatest asset in any organization is the people. That’s why we built an intuitive, mobile-first solution to help boost productivity and collaboration across teams and locations.

MaintainX is committed to creating a diverse environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

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