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GenAI Engineer (Python, RAG, LangChain, LangSmith)

Apptad Inc

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

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

Job Type: Full-Time

Our challenge

We 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.
  • Strong 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.
Vacancy posted 2 days ago
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