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Data Scientist/ Generative AI Specialist

Zillion Technologies, Inc.

McLean · On-site Contract Senior $115 – $120/hr 3w ago

About the role

Key Responsibilities

  • Architect and implement scalable AI Agents, Agentic Workflows and GenAI applications to address diverse and complex business use cases.
  • Develop, fine-tune, and optimize lightweight LLMs; lead the evaluation and adaptation of models such as Claude (Anthropic), Azure OpenAI, and open-source alternatives.
  • Design and deploy Retrieval-Augmented Generation (RAG) and Graph RAG systems using vector databases and knowledge bases.
  • Curate enterprise data using connectors integrated with AWS Bedrock's Knowledge Base/Elastic.
  • Implement solutions leveraging MCP (Model Context Protocol) and A2A (Agent-to-Agent) communication.
  • Build and maintain Jupyter-based notebooks using platforms like SageMaker and MLFlow/Kubeflow on Kubernetes (EKS).
  • Collaborate with cross-functional teams of UI and microservice engineers, designers, and data engineers to build full-stack Gen AI experiences.
  • Integrate GenAI solutions with enterprise platforms via API-based methods and GenAI standardized patterns.
  • Establish and enforce validation procedures with Evaluation Frameworks, bias mitigation, safety protocols, and guardrails for production-ready deployment.
  • Design & build robust ingestion pipelines that extract, chunk, enrich, and anonymize data from PDFs, video, and audio sources for use in LLM-powered workflows—leveraging best practices like semantic chunking and privacy controls.
  • Orchestrate multimodal pipelines using scalable frameworks (e.g., Apache Spark, PySpark) for automated ETL/ELT workflows appropriate for unstructured media.
  • Implement embeddings drives—map media content to vector representations using embedding models, and integrate with vector stores (AWS Bedrock Knowledge Base/Elastic/Mongo Atlas) to support RAG architectures.

Required Qualifications

  • PhD in AI/Data Science.
  • 10+ years of experience in AI/ML, with 3+ years in applied GenAI or LLM-based solutions.
  • Deep expertise in prompt engineering, fine-tuning, RAG, GraphRAG, vector databases (e.g., AWS Bedrock Knowledge Base / Elastic), and multi-modal models.
  • Proven experience with cloud-native AI development (AWS SageMaker, Bedrock, MLFlow on EKS).
  • Strong programming skills in Python and ML libraries (Transformers, LangChain, etc.).
  • Deep understanding of Gen AI system patterns and architectural best practices, Evaluation Frameworks.
  • Demonstrated ability to work in cross-functional agile teams

Benefits

  • Medical insurance
  • Dental insurance
  • Vision insurance
  • 401(k)

Skills

AWS BedrockElasticJupyterKubernetesLangChainMLFlowPythonPySparkSageMakerTransformers

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