# GenAI Engineer (Python, RAG, LangChain, LangSmith)Apptad Inc
· , CABack to resultsGenAI Engineer (Python, RAG, LangChain, LangSmith)Apptad Inc, CA Posted October 26, 2026 Via Talent.com### Full

Job Description
Job Title: GEN AI Engineer (Python,RAG, LangChain, LangSmith)Job

Location:
Montreal, QC (3 days in a week)

Job Type
Full-TimeOur challengeWe are looking for a Senior AI/ML Engineer with expertise in Retrieval-Augmented Generation (RAG), vector databases, multimodal AI, and prompt engineering. The candidate will be responsible for building intelligent AI applications that leverage structured and unstructured enterprise data.

Key Responsibilities
• Design and implement enterprise-scale RAG pipelines.
• Build and optimize semantic search solutions using vector databases.
• Develop multimodal AI applications capable of processing text, images, documents, and other data formats.
• Create and optimize prompts for improved LLM performance and accuracy.
• Develop data ingestion, chunking, embedding, retrieval, and ranking strategies.
• Evaluate and improve AI solution quality, accuracy, and latency.




• Collaborate with cross-functional teams to integrate AI capabilities into enterprise applications.
Required Skills
• Strong proficiency in Python.
• Hands-on experience building RAG solutions.
• Experience with vector databases such as Pinecone, Weaviate, Milvus, Chroma, or OpenSearch.
• Robust understanding of embeddings, retrieval strategies, and semantic search.
• Expertise in Prompt Engineering.
• Experience building Multimodal AI solutions.
• Knowledge of LLMs and foundation models.
• Experience with Amazon Bedrock and AWS AI services.
• Familiarity with LangChain for RAG implementations.
• Knowledge of evaluation frameworks and AI observability tools.
• Experience deploying AI/ML applications in production environments.
Nice to Have
• Knowledge of Agentic AI concepts.
• Experience with LangGraph or multi-agent architectures.
• Exposure to MLOps and model deployment pipelines.#### Apply for this JobThis will take you to the original posting on the employer's site. Apply NowVia Talent.com#### Job SummaryCompanyApptad IncLocation, CATypeFull-timePostedOctober 26, 2026SourceTalent.com

📌 GenAI Engineer (Montreal)
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📍 Montreal