Lead Software Engineer, AI Platform; Remote

Position: Lead Software Engineer, AI Platform (Remote)
We are Lennar 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 has been recognized as a Fortune 500® company and consistently ranked among the top homebuilders in the United States. Join a Company that Empowers you to Build your Future The Lead Software Engineer reports to the Engineering Manager. You will lead the design, development, and evolution of enterprise-grade AI solutions and MCP servers. This role requires a hands-on leader to deliver scalable, secure, and business-aligned AI infrastructure on AWS.

A career with purpose. A career built on making dreams come true. A career built on building zero defect homes, cost management, and adherence to schedules. Your Responsibilities on the Team Lead the adoption of Service Now 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  OAuth flows. Build a tool-accuracy eval harness to validate LLM tool behavior in CI. Automate registration with AWS Bedrock Agent Core Gateway. Manage container deployment on AWS ECS Fargate using read-only file systems. Deploy infrastructure-as-code using Terraform or Cloud Formation.

Instrument observability using Open Telemetry tracing and structured JSON logging. Conduct technical design reviews and architecture governance. Transfer knowledge to the platform team through live sessions and documentation. Requirements 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 Agent Core. Identity & Security:
Advanced OAuth 2.0/OIDC execution, including On-Behalf-Of flows and JWT validation. Platform Engineering:
Experience authoring Spotify Backstage templates and Git Hub Actions CI/CD pipelines. Enterprise Integration:
Proven history of integrating complex REST APIs such as Workday, Salesforce, or Service Now.

Education and Experience Requirements

Experience:

8+ years of overall IT experience. Specialization: 6+ years of hands-on architecture and development experience. Leadership:
Demonstrated ability to lead complex, enterprise-scale implementations. Communication:
Excellent technical writing skills for runbooks and architecture docs. Physical & Office/Site Presence Requirements:
Operate computer equipment and remain in a primarily sedentary position. Lift and carry up to 25 lbs. Finger dexterity is necessary.

Location:

Remote US / Onsite / Hybrid. This description outlines the basic responsibilities and requirements for the position noted. This is not a comprehensive listing of all job duties of the Associates. Duties, responsibilities and activities may change at any time with or without notice. During the course of your employment, you may be required to use, download, or access certain Company-approved tools, programs, applications, or systems.

These resources may include, but are not limited to, applications designed for customer engagement, operational efficiency, data analysis, Artificial Intelligence (AI) tools, and other business functions. Life at Lennar At Lennar, we are committed to fostering a supportive and enriching environment for our Associates, offering a comprehensive array of benefits designed to enhance their well-being and professional growth. Our Associates have access to robust health insurance plans, including Medical, Dental, and Vision coverage, ensuring their…