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Senior Machine Learning Engineer (GenAI + GCP)S.i. Systems • Toronto
Senior Machine Learning Engineer (GenAI + GCP)

Senior Machine Learning Engineer (GenAI + GCP)

S.i. Systems • Toronto
30+ days ago
Job type
  • Full-time
Job description

Our client is Canada's largest retailer. They are looking for a Senior Machine Learning Engineer to join the Personalization team.

Project: You will be working on a hyper-personalized application that integrates diverse user data (financial, health/pharmacy, grocery, and behavioral signals). The platform is evolving from a traditional recommendation system to a GenAI-driven, agentic architecture, enabling more intelligent and dynamic user experiences.

Duration: 6 Months, to start

Location: Remote

Responsibilities:

  • Lead the development of GenAI-powered personalization applications for product discovery and search
  • Design and build scalable ML pipelines (data ingestion, feature engineering, training, deployment)
  • Develop and optimize cloud infrastructure using GCP services
  • Implement prompt engineering and transformer-based solutions for real-world applications
  • Collaborate with cross-functional teams to deliver scalable and user-focused ML solutions
  • Optimize system performance for latency, cost, and reliability
  • Build monitoring, alerting, and failover mechanisms for production ML systems
  • Stay up to date with best practices in machine learning, cloud engineering, and GenAI

Must Have Skills:

  • 5+ years of experience in Machine Learning Engineering, with a focus on GenAI applications for personalization.
  • Strong expertise in GenAI frameworks (LangChain or LangGraph)
  • Experience with LLMs or agentic systems (e.g. Gemini)
  • Proven experience with Google Cloud Platform (GCP)
  • Experience with Vertex AI, BigQuery, and/or Airflow
  • Strong experience with Python and SQL
  • Experience building and deploying ML systems at scale

Nice to Haves:

  • Experience with Docker and Kubernetes
  • Familiarity with Spark or distributed computing frameworks
  • Knowledge of recommendation systems (transformers, neural collaborative filtering)


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Senior Machine Learning Engineer (GenAI + GCP) • Toronto

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