Data Scientist
- Optum
- 5 - 8 years
- Noida, Gurugram
- 1 month ago
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Job Description
- Architect and develop large-scale LLM-based systems
- Design and implement advanced RAG pipelines and multi-agent AI systems
- Lead development of document intelligence solutions including OCR and structured data extraction
- Drive end-to-end ML lifecycle including problem definition, modeling, deployment, and monitoring
- Establish and enforce best practices for MLOps and CI/CD pipelines
- Conduct and scale proof-of-concepts into production systems
- Collaborate with stakeholders to translate business requirements into AI solutions
- Mentor junior data scientists and conduct technical reviews
- Ensure performance optimization, scalability, and reliability of AI systems
- Programming and System Design
- Proven experience in designing scalable AI/ML systems
- Solid understanding of data structures, algorithms, and distributed systems
- Solid programming expertise in Python with production-level experience
- AI/ML and Generative AI
- Hands-on experience with RAG architectures and agentic AI systems
- Hands-on experience with vector databases such as Pinecone, FAISS, ChromaDB, or Azure AI Search
- Hands-on experience with PyTorch, TensorFlow, Hugging Face, or related deep learning frameworks
- Experience in optimizing LLM performance
- Experience with fine-tuning, evaluation, and optimization of LLMs for enterprise use cases
- Experience building and orchestrating autonomous AI agents capable of reasoning, planning, and tool execution
- Experience with agent orchestration frameworks such as LangGraph, CrewAI, AutoGen, or MCP
- Experience designing scalable multi-agent workflows and AI orchestration systems
- Experience optimizing AI systems for latency, throughput, scalability, and cost efficiency
- Experience deploying production-grade AI/ML solutions in cloud environments
- Understanding of prompt engineering, guardrails, AI safety, and hallucination mitigation techniques
- Understanding of AI application architecture patterns for enterprise-scale systems
- Solid understanding of transformer architectures and LLM internals
- Solid understanding of Machine Learning fundamentals including supervised and unsupervised learning, model evaluation, and feature engineering
- Familiarity with AI observability, model monitoring, and evaluation pipelines for GenAI systems
- Familiarity with semantic search, embeddings, reranking, and retrieval optimization techniques
- Deep expertise in NLP and deep learning
- Document Intelligence
- Experience in extracting structured information from unstructured sources
- Solid experience with OCR pipelines and document layout analysis
- Cloud and MLOps
- Experience deploying scalable solutions in cloud environments
- Solid experience with Azure AI/ML services
- Expertise in CI/CD pipelines, MLOps frameworks, and model monitoring
Job Classification
Industry: RetailFunctional Area / Department: Data Science & AnalyticsRole Category: Data Science & Machine LearningRole: Full Stack Data ScientistEmployement Type: Full timeContact Details:
Company: OptumLocation(s): Noida, Gurugram
Keyskills: data scientist Tensorflow Azure Performance Optimization Architecture Use Cases Feature Engineering Ai Programming Data Extraction Llm Machine Learning Deep Learning Model Evaluation Pytorch Nlp Pharmacy Mlops Python
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