Artificial Intelligence Engineer

Role: Senior Data & AI Engineer

Location: Toronto, ON (5 day Onsite)

Job Type: Contract

Job Description:

Key Responsibilities:

• Architect and implement scalable data lakehouse solutions using Databricks on AWS, including Delta Lake, Unity Catalog, and Lakehouse AI features.
• Develop and orchestrate multi-agent AI applications leveraging LangGraph, LangChain, and other LLM toolchains to support business workflows and automation.
• Design and implement vector database search solutions for retrieval-augmented generation (RAG), semantic search, and contextual memory.
• Work with multiple file formats including Apache Iceberg, Parquet, and Delta, ensuring performance optimization, schema evolution, and ACID compliance.
• Integrate LLM orchestration pipelines into Lakehouse workflows, enabling intelligent data retrieval, transformation, and reasoning.
• Collaborate with data scientists, ML engineers, and platform teams to build end-to-end AI-powered data pipelines.
• Build reusable components, agent workflows, and vector indexing strategies for enterprise AI use cases.

Required Qualifications:

• 12+ years of experience in data engineering or AI/ML engineering.
• Hands-on expertise with Databricks on AWS, including workspace management, notebooks, MLflow, and Unity Catalog.
• Experience with Lakehouse AI, Vector Search, and Agentic AI(Nice to have) (LangGraph, CrewAI, OpenAgents, or similar frameworks).
• Proficient in Python and SQL, with experience in developing data transformation logic and vector embedding workflows.
• Strong knowledge of file formats like Apache Iceberg, Delta Lake, Parquet, and Avro.
• Experience deploying and optimizing vector databases such as FAISS, Chroma, Weaviate, or native Databricks vector search.
• Familiarity with LLMOps practices and tooling (e.g., LangSmith, PromptLayer, Weights & Biases).
• Understanding of LLM APIs (OpenAI, HuggingFace), prompt engineering, and memory management in agentic systems.

Preferred Qualifications:

• Databricks certifications (Data Engineer, Machine Learning Associate, Generative AI Engineer).
• Experience with LangChain Expression Language (LCEL) and LangGraph DAGs for agent workflows.
• Familiarity with Databricks Model Serving, Feature Store, and production-grade LLM integrations.
• Exposure to event-driven architectures, CI/CD for ML, and secure data governance using Unity Catalog.
• teams, stakeholders, and business leaders to align data strategies with organizational goals.