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AI Engineer

Quartermaster
Toronto, CAN
Full-time
Mid
Hybrid
Discovered 1 weeks ago
fastapilangchainmongodbpythontypescript

Full Job Posting

Key Responsibilities

  • Design, build, and ship LLM-powered and agentic features across the Quartermaster product — maintenance guidance, contractor matching, document understanding, conversational experiences, and similar user-facing intelligence
  • Integrate LLM APIs and agentic frameworks into our Python/TypeScript SaaS stack, following our existing engineering patterns and conventions
  • Take ownership of these features from API design and prompt/agent design through testing, deployment, and monitoring in production
  • Collaborate with product and engineering to scope what to build next, not just execute a fixed spec
  • Apply sound software engineering practice (testing, code review, incremental delivery) to LLM-based features — including evaluating and regression-testing prompt and agent behavior, not just conventional code paths
  • Help establish internal patterns and conventions for building and maintaining LLM/agentic features as the team grows this capability

Required Qualifications

  • Hands-on experience building with LLMs — prompting, API integration, and/or agentic workflows (not limited to a research or notebook context)
  • Strong software engineering fundamentals, with hands-on experience in Python
  • Background in SaaS web development — building and shipping features in a production web application
  • Experience with agentic frameworks (e.g., LangChain, PydanticAI, LangGraph, or equivalent)
  • Experience deploying and operating production services in a cloud environment
  • Awareness of LLM API cost, latency, and rate-limit tradeoffs when designing production features
  • Comfortable working across the stack — from backend APIs to the LLM/agent layer
  • A product-engineering mindset: you care about shipping a feature that works for real users, not just a model that scores well offline
  • Preferred (Nice to Have)
  • Experience with a Python async web framework (FastAPI or similar) and a document database (MongoDB or similar)
  • Experience with Typescript
  • Experience with Claude Code or similar AI-assisted development tools
  • Experience with vector search / retrieval pipelines
  • Prior experience in a small-team or early-stage SaaS environment, owning features end-to-end
  • THIS IS A GOOD FIT FOR YOU IF...
  • You’re mission-driven and looking to solve the mission’s hardest problems.
  • You’re at a point in your life and your career where you want to tackle a uniquely demanding job to produce meaningful impact.
  • You’re keen to work in-person with a team on a set Monday, Thursday and every second Tuesday schedule.
  • LOCATION
  • Hybrid #LI-HYBRID

Preferred Qualifications

  • Preferred (Nice to Have)

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