About this opportunity
Reuben Cooley Inc. lists this Lead Data Engineer (Cary) opportunity in cary, North Carolina. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Programming & Data Engineering
Expert - level proficiency in Python, Scala, and PySpark, with a strong track record of designing and delivering production-ready, modular, and well-tested solutions; developing and troubleshooting Spark workloads; and optimizing large-scale batch and streaming data pipelines using Delta Lake and Spark technologies.
Strong SQL and data modelling dimensional and normalised; schema design and data contract definition.
Databricks expertise Delta Lake, Unity Catalog, Jobs & Workflows, cluster and pool management, performance tuning, Model Serving.
Azure data stack — ADLS Gen2 (zone design, ACLs, lifecycle), Azure Data Factory (parameterized / metadata-driven frameworks, error handling), Azure Event Hubs.
AI & Machine Learning
3+ years designing and shipping LLM-based systems in production: RAG pipelines, agentic / tool-calling workflows, structured output, chunking and embedding strategy, vector and hybrid retrieval, and prompt engineering.
Evaluation discipline — golden datasets, regression suites, accuracy and hallucination tracking, human-in-the-loop feedback loops; you measure AI quality, not assert it.
Hands-on experience with LangChain, LlamaIndex, or LangGraph, plus at least one provider stack (Azure OpenAI, OpenAI, or Databricks Model Serving).
Metadata-driven thinking — schema inference, data profiling, lineage, catalogs, and configuration-driven frameworks that onboard the next source without new code.
Architecture & Governance
12–18 years of total experience in data engineering, data platform delivery, or related disciplines.
Proven delivery of a medallion/lakehouse architecture at enterprise scale — not just familiarity with the concept.
Azure security and governance: Entra ID, managed identities, RBAC, POSIX ACLs on ADLS Gen2, Key Vault, private endpoints, and PII handling.
CI/CD and infrastructure as code: Azure DevOps, Terraform, Databricks Asset Bundles, and automated testing of data pipelines.
Clear technical writing and the ability to present and defend a design to both engineers and non-technical stakeholders.
Worksite address
cary, NC, 27518, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.