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Machine Learning Engineer
Machine Learning EngineerArcadia • Toronto, ON, Canada
Machine Learning Engineer

Machine Learning Engineer

Arcadia • Toronto, ON, Canada
5 days ago
Job type
  • Full-time
Job description

📍 Location : Toronto - 2-3 days hybrid (Downtown office)

AA fast-growing AI product company is building intelligent tools that help people work with and understand large volumes of digital content. The platform is used by 13+ million users, and is backed by a team of engineers and researchers from leading tech companies and AI labs.

They’re hiring a Senior ML Engineer to work on LLM-powered systems that sit directly inside a production product. This is a hands‑on role focused on building, shipping, and improving model‑driven features that real users interact with every day.

What you’ll work on

  • Fine‑tuning and deploying large language models in production
  • Prompt design and evaluation for classification, personalization, and content control
  • Building agent workflows and RAG pipelines over structured and unstructured data
  • Running experiments and improving model behavior over time
  • Turning research ideas into practical, shipped features
  • Partnering with product and engineering on AI‑powered user experiences

What they’re looking for

  • 3+ years of Python in production ML systems
  • Experience with LLMs via LangChain, LlamaIndex, or similar
  • Strong data analysis and experimentation instincts
  • Comfortable with ambiguous, real‑world ML problems
  • Solid software engineering and system design
  • Why it’s interesting

  • Your work goes straight into a live product used at scale
  • Small, senior team with real ownership
  • Competitive comp and meaningful equity
  • Hybrid Toronto setup, flexible time off, learning budget
  • #J-18808-Ljbffr

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