AI Architect / AI Technical Lead

Toronto, ON
On-site
Posted Oct 14, 2026
1 position

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Employment type: Contract
Experience level: Lead · 10+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Director
Application method: Direct apply is available

Job summary

Architect and lead the development of scalable, production-ready AI and generative AI solutions, including RAG, LLM, and LangChain applications integrated with enterprise systems. Establish AI engineering standards, evaluate technologies, mentor engineering teams, and ensure solutions meet security, reliability, performance, and maintainability requirements.

Job details

AI Architect / AI Technical Lead – Python, RAG, LLM & LangChain Location: Toronto Canada Job Overview We are seeking an experienced AI Architect / Technical Lead with strong expertise in Python, Generative AI, RAG, LLMs, and LangChain to design and lead scalable AI solutions for enterprise financial-services applications. The ideal candidate will provide technical leadership, establish AI architecture standards, and guide engineering teams in implementing production-ready AI solutions. Key Responsibilities Architect and design end-to-end AI/GenAI solutions using Python-based frameworks and libraries. Lead the design and implementation of RAG, LLM, and LangChain solutions for enterprise applications. Develop scalable architectures for AI-powered applications, intelligent automation, and LLM-based services. Define technical standards, architecture patterns, coding practices, and best practices for AI engineering. Integrate LLMs with enterprise applications, APIs, databases, and knowledge sources. Evaluate AI technologies, frameworks, models, and tools to identify the best solutions for business requirements. Collaborate with business and technical stakeholders to translate financial-services requirements into scalable AI solutions. Provide technical leadership and mentorship to AI/ML and software engineering teams. Drive adoption of Generative AI and AI engineering best practices across enterprise projects. Ensure solutions meet requirements for security, scalability, reliability, performance, and maintainability. Required Qualifications Strong hands-on experience with Python development and Python-based AI/GenAI applications. Strong expertise in RAG, LLMs, and LangChain. Experience designing and developing enterprise-scale AI/GenAI solutions. Strong understanding of prompt engineering, embeddings, vector databases, and retrieval pipelines. Experience integrating AI/LLM capabilities with REST APIs, databases, and enterprise applications. Strong knowledge of software architecture, design patterns, and scalable application development. Experience providing technical leadership and mentoring to engineering teams. Excellent communication and stakeholder-management skills. Experience in financial services/banking is highly preferred. Preferred Skills LangGraph / LlamaIndex OpenAI / Azure OpenAI / Anthropic / Gemini Pinecone / FAISS / Chroma / Azure AI Search FastAPI / Flask Docker / Kubernetes Azure / AWS / GCP Agentic AI and AI Agents CI/CD and MLOps/LLMOps Enterprise API and microservices architecture

What you’ll do

Requirements

Requires strong hands-on Python development experience and expertise in RAG, LLMs, LangChain, prompt engineering, embeddings, vector databases, and retrieval pipelines. Candidates should have experience designing enterprise-scale AI solutions, integrating AI with APIs and databases, and providing technical leadership; financial-services experience is highly preferred.