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Lennar

Lead Software Engineer, AI Platform

Lennar

. Lead the adoption of ServiceNow and AWS-native AI capabilities .

Posted 5/14/2026full-timeRemote • Texas • 🇺🇸 United StatesSeniorWebsite

Tech Stack

Tools & technologies
AWSPythonServiceNowTerraform

About the role

Key responsibilities & impact
  • Lead the adoption of ServiceNow and AWS-native AI capabilities
  • Identify opportunities where AI reduces manual effort and improves service outcomes
  • Design a repeatable, domain-aligned pattern as a Spotify Backstage Software Template
  • Architect production-ready MCP servers with integrated authentication and RBAC
  • Develop reference Python MCP servers for enterprise domains like Workday
  • Implement shared authentication libraries for Entra ID and OAuth flows
  • Build a tool-accuracy eval harness to validate LLM tool behavior in CI
  • Automate registration with AWS Bedrock AgentCore Gateway
  • Manage container deployment on AWS ECS Fargate using read-only filesystems
  • Deploy infrastructure-as-code using Terraform or CloudFormation
  • Instrument observability using OpenTelemetry tracing and structured JSON logging
  • Conduct technical design reviews and architecture governance
  • Transfer knowledge to the platform team through live sessions and documentation

Requirements

What you’ll need
  • Python Mastery: 7+ years of production Python using async frameworks like FastAPI or Starlette
  • AWS Infrastructure: Deep knowledge of IAM role chaining, Secrets Manager, ECR, and VPC networking
  • AI & Agentic Systems: Hands-on experience with Model Context Protocol (MCP) and AWS Bedrock AgentCore
  • Identity & Security: Advanced OAuth 2.0/OIDC execution, including On-Behalf-Of flows and JWT validation
  • Platform Engineering: Experience authoring Spotify Backstage templates and GitHub Actions CI/CD pipelines
  • Enterprise Integration: Proven history of integrating complex REST APIs such as Workday, Salesforce, or ServiceNow
  • 8+ years of overall IT experience
  • 6+ years of hands-on architecture and development experience
  • Demonstrated ability to lead complex, enterprise-scale implementations
  • Excellent technical writing skills for runbooks and architecture docs

Benefits

Comp & perks
  • Robust health insurance plans, including Medical, Dental, and Vision coverage
  • 401(k) Retirement Plan with a $1 for $1 Company Match up to 5%
  • Paid Parental Leave
  • Associate Assistance Plan
  • Education Assistance Program
  • Up to $30,000 in Adoption Assistance
  • Up to three weeks of vacation annually
  • Generous Holiday, Sick Leave, and Personal Day policies
  • New Hire Referral Bonus Program
  • Significant Home Purchase Discounts
  • Everyone’s Included Day

ATS Keywords

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Hard Skills & Tools
Pythonasync frameworksFastAPIStarletteAWSTerraformCloudFormationOpenTelemetryOAuth 2.0REST APIs
Soft Skills
technical writingleadershipknowledge transferarchitecture governance