Machine Learning Architect
Há 1 mês
About the Role
We're looking for an experienced Machine Learning Engineer to join our team at Atacana Group, Inc. as a Machine Learning Champion. This is a remote position that requires a strong foundation in machine learning, natural language processing, and practical experience implementing end-to-end Retrieval-Augmented Generation (RAG) systems and AI agents.
Key Responsibilities
Design and implement sophisticated RAG architectures incorporating query classification, retrieval optimization, reranking, repacking, and summarization components.
Develop and optimize chunking strategies for document processing, balancing context preservation with retrieval efficiency.
Research and implement advanced retrieval methods combining sparse (BM25) and dense retrieval with hybrid search techniques.
Build and optimize vector databases for efficient similarity search at scale.
Create evaluation frameworks to measure RAG system performance across multiple dimensions (faithfulness, relevancy, retrieval accuracy).
Design and deploy multi-agent systems with effective orchestration patterns.
Develop multimodal RAG capabilities integrating text, images, and other modalities.
Lead technical design reviews and mentor junior engineers in RAG/agent implementation best practices.
Required Technical Skills & Experience
3+ years of experience in machine learning engineering with focus on NLP systems.
Extensive experience with RAG components and architectures: query optimization and rewriting, vector databases, document chunking and embedding strategies, reranking methods, prompt engineering and LLM integration.
Hands-on experience with agent frameworks: LangChain & LangGraph, agent communication protocols, workflow orchestration.
Proficiency in: Python (advanced), vector similarity search, semantic embeddings, document processing pipelines.
Preferred Qualifications
Fast learner and curious about the latest technologies.
Experience implementing RAG systems serving high query volumes in production.
Experience in information retrieval, semantic search, or related areas in technical fields.
Experience with multimodal retrieval and generation.
About Atacana Group
Atacana Group, Inc. is a global competitive strategy and intelligence firm focused on the healthcare industry.
We need your help automating complex processes end-to-end by combining technology with human domain expertise.
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