Lead Data Engineer

Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities, and Associates by building quality homes and providing exceptional customer service, giving back to the communities in which we work and live in, and fostering a culture of opportunity and growth for our Associates throughout their career. Lennar is consistently ranked among the top homebuilders in the United States.

The primary mission of the Lead Data Engineer role is to help our business evolve into a data and insights-driven organization. The Lead Data Engineer will provide technical leadership to our Product Team, design and implement next-generation data and analytics platforms and products, and implement engineering solutions in collaboration with the team. The role focuses on empowering and enabling our business users through self‑service and automation, and is a key component in operationalizing Lennar’s enterprise data fabric.

• Design, Build, and Operationalize:
  Formulate production‑grade data engineering solutions for Lennar’s data and analytics platforms and products.
• Pipeline Architecture:
  Architect and implement reliable ETL, ELT, and streaming data ingestion/delivery processes across multiple enterprise sources.
• Modern Python Development:
  Develop, maintain, and containerize modular data applications and utility scripts using Python, leveraging modern cloud infrastructure.
• Scale and Improve Infrastructure:
  Improve data ingestion architecture, emphasizing data quality, cost‑performance, maintainability, and extensibility across storage and compute layers.
• Enforce Standards and Downstream Integrity:
  Define and implement engineering standards for the data team (including code modularization, version control, automated testing, and secure CI/CD workflows). Ensure strict guidelines for schema evolution to safeguard downstream analytics from unilateral changes.
• Platform Observability:
  Instrument data analytics platforms with robust metrics, alerting, and automated monitoring (SLAs/SLOs) to ensure high availability and data trustworthiness.
• AI‑Driven Productivity:
  Leverage modern AI‑assisted development tools within daily engineering workflows to accelerate code generation, optimize heavy queries, and improve overall delivery speed.
• AI/ML Integration:
  Collaborate with data science teams to design and optimize data layers specifically tailored for Generative AI applications, Retrieval‑Augmented Generation (RAG), and LLM frameworks.
• Ecosystem Integration:
  Wrangle and integrate data from highly disparate production systems to allow data analysts and data scientists to leverage optimized, end‑to‑end data products.
• Business Alignment:
  Gain a deep understanding of core business processes and align technical data development with strategic business objectives.

• Core Expertise (8+ years preferred):
  • Data Architecture & Enterprise Modeling:
    Advanced data warehousing concepts, cloud data lakes, and structured multi‑layer designs (Bronze, Silver, Gold).
  • Advanced Data Transformations:
    Designing complex operational pipelines, data cleanup, and robust standardization strategies.
  • Production SDLC & Workflow Best Practices:
    Rigorous code reviews, end‑to‑end testing/QA methodologies, and resilient error‑handling frameworks.
  • Data Governance & Security:
    Implementing enterprise‑level RBAC, data compliance, and secure environments.

• Advanced Python Development:
  Writing clean, object‑oriented, and production‑grade Python code for complex data manipulation, automation, and API communication.
• AWS Platform & Containerization:
  • Hands‑on experience deploying, managing, and scaling containerized data workloads using AWS ECS and ECR.
  • Core AWS architecture: S3, IAM, Lambda, EC2, Cloud Watch, and Cloud Trail.
  • AWS Certification is a strong plus.
• Snowflake Data Cloud:
  • Account administration, optimal virtual warehouse clustering strategies, and budget optimization.
  • Expert feature implementation:
    Data Sharing, Time Travel, and Zero‑copy cloning.
• dbt (Data Build Tool):
  • Managing…