Job Title: Senior LLM Engineer
Contract Duration: 7 Months
Pay range: C$80- 100/hr
Work Type: Hybrid – 2 days per week
Location: Toronto, ON
About the Role:

• Our client is seeking a Sr. LLM Engineer to lead the design and development of multi-agent AI frameworks aimed at transforming the retail domain.
• The ideal candidate will have a passion for large language models (LLMs), applied AI, and building impactful systems at scale.
• This role involves mentoring a high-performing AI team and collaborating with leadership to align AI initiatives with business strategies.

• The Senior LLM Engineer will lead the architecture and deployment of LLM-powered AI agents that enhance procurement processes by predicting optimal choices and autonomously acting on behalf of users
• Set technical direction for model selection, fine-tuning, and deployment strategies.
• Implement advanced AI techniques, including Retrieval-Augmented Generation (RAG), fine-tuning, and multi-agent collaboration.
• Collaborate with business leaders to align AI solutions with procurement objectives and demonstrate measurable impact.
• Ensure AI agents deliver high accuracy, reliability, and efficiency in real-world tasks.
• Mentor and support junior and intermediate LLM engineers to elevate overall team performance.
• Communicate project progress, insights, and AI-driven recommendations to senior stakeholders through presentations and reports.

• Master's degree in Mathematics, Physics, Computer Science, or a related field (PhD in LLM or NLP research is highly preferred).
• 5+ years of experience in LLM development, AI-driven automation, or NLP solutions.
• Proven expertise in LLM fine-tuning, retrieval-augmented generation (RAG), and model optimization.
• Experience with various LLM frameworks and models, including LangGraph, Hugging Face, GPT model suites, and Gemini model suites.
• Hands-on experience with vector databases, knowledge graphs, and AI orchestration tools.
• Ability to lead AI projects end-to-end, from research and prototyping to production deployment.
• Strong communication and presentation skills, with experience in explaining AI solutions to business leaders.
• Experience working in a cloud environment (GCP preferred).

• Prior experience leading multi-agent AI systems.
• Knowledge of procurement, supply chain, or business automation workflows.
• Experience developing AI solutions in a large enterprise environment

• GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska. As a Native American-owned, economically disadvantaged corporation, we highly value diverse and inclusive workplaces. Our clients are Fortune 500 banking, insurance, financial services, and technology companies, along with some of the nation's largest life sciences, biotech, utility, and retail companies across the US and Canada. We look forward to helping you land your next great career opportunity!