Senior Ai Data Applications Engineer

Build Claude-powered applications and enterprise data solutions as a senior Forward Deployed Engineer working with real client data in Toronto.Apptoza Inc. seeks an engineer combining AI application development, data engineering, and production software engineering. You will work across discovery, rapid prototyping, solution shaping, workshops, and technical presentations with business users and client teams. Your toolkit includes prompt engineering, RAG, vector databases, semantic search, agentic AI patterns, Python, PySpark, SQL, and FastAPI.Key Responsibilities:
Build Claude-powered applications, copilots, and AI workflowsValidate working solutions with users and harden production releasesCreate evaluation datasets and analyze model and LLM qualityImplement MLOps and LLMOps lifecycle capabilitiesMeasure adoption, business impact, and agreed KPIsRequirements:
10+ years in AI application development and data engineeringHands-on Python, PySpark, SQL, REST APIs, and FastAPIExperience with prompt engineering, RAG, and semantic searchUnderstanding of model monitoring, rollback, and production supportStrong client-facing discovery and technical presentation skillsBring senior AI application, evaluation, and production delivery skills to Apptoza Inc.'s Toronto engineering team.
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