Senior Data AI Platform Engineer

Design data systems and AI-enabled platforms at lululemon, working onsite at least four days weekly across data, retrieval, and distributed systems.
As a Senior Software Engineer, you will build enterprise solutions supporting multiple product teams. Your work spans semantic models, LLM retrieval, APIs, and distributed systems. You will shape architecture patterns and technical decisions across teams.

Key Responsibilities:

Build systems providing high-quality context for LLMs
Evolve semantic models, taxonomies, ontologies, and knowledge graphs
Lead complex implementations spanning multiple services
Establish coding, testing, and deployment standards
Mentor engineers and lead critical incident response
Requirements:
Bachelor’s degree or equivalent technical experience
Six to ten years of software development experience

Experience with RAG, GraphRAG, semantic search, or hybrid retrieval
Knowledge of enterprise semantic layers and knowledge representation
Authorization to work in Canada
Bring senior engineering judgment, data architecture expertise, and AI platform experience to lululemon’s enterprise technology teams.