Sr. AI / ML Engineer with GenAI, LLM, and backend engineering to develop solutions to automate [...]

S I Systems; Toronto; Remote; CAD 100,000 - 150,000; Full time

Job summary

A leading Canadian retailer is seeking a Sr. AI / ML Engineer to develop solutions that leverage Generative AI and optimize backend systems. You will be responsible for deploying AI-powered applications and integrating systems with cloud solutions like GCP. The role offers full remote work until the end of December 2025, requiring hands-on experience in AI development and strong skills in backend technologies.

Qualifications

• Hands-on experience with Generative AI (LLMs) using OpenAI APIs, Vertex AI, or similar.
• Proficiency with LangChain or multi-agent AI systems.
• Experience with cloud platforms (GCP preferred, AWS / Azure), using Airflow for orchestration.
• Comfortable writing and optimizing SQL queries for data-driven applications.

Responsibilities

• Develop and deploy AI powered applications.
• Design and implement backend services and APIs using FastAPI, LangChain, and Python.
• Integrate systems with GCP, leveraging tools like Vertex AI and Airflow.
• Drive automation of manual business processes, including supply chain tasks and data updates.
• Work closely with product and operations teams to turn business requirements into scalable, intelligent systems.

Skills

Generative AI (LLMs) using OpenAI APIs

LangChain or multi-agent AI systems

Cloud platforms (GCP preferred)

SQL queries optimization

Tools

FastAPI

LangChain

Python

GCP

Airflow

Job description

Sr. AI / ML Engineer with GenAI, LLM, and backend engineering to develop solutions to automate business operations

Our client is Canada's largest retailer. They are looking for a Sr. AI / ML Engineer with GenAI, LLM, and backend engineering to develop solutions to automate business operations.

You will play a critical role in building end-to-end systems that leverage LLMs, optimize traditional ML workflows, and enhance backend data infrastructure. This role requires hands-on development of production-grade solutions.

Location : Fully Remote

Duration : Until End of Dec 2025, to start

Responsibilities :

• Develop and deploy AI powered applications. Build and optimize AI systems using LLMs and multi-agent frameworks.
• Design and implement backend services and APIs using FastAPI, LangChain, and Python.
• Integrate systems with GCP, leveraging tools like Vertex AI and Airflow.
• Drive automation of manual business processes, including supply chain tasks and data updates.
• Work closely with product and operations teams to turn business requirements into scalable, intelligent systems.

Must Have Skills :

Hands-on experience with Generative AI (LLMs) using OpenAI APIs, Vertex AI, or similar.

Proficiency with LangChain or multi-agent AI systems.

Experience with cloud platforms (GCP preferred, AWS / Azure), using Airflow for orchestration.

Comfortable writing and optimizing SQL queries for data-driven applications.

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