Note: The job is a remote job and is open to candidates in USA. 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. The Lead Software Engineer will lead the design, development, and evolution of enterprise-grade AI solutions and MCP servers, focusing on delivering scalable and secure AI infrastructure on AWS.
Responsibilities
- 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
Skills
- 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
- 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
Benefits
- Robust health insurance plans, including Medical, Dental, and Vision coverage
- 401(k) Retirement Plan, complete 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
Company Overview
For more than 70 years, Lennar has been in the business of making homeownership more attainable for more people. It was founded in 1954, and is headquartered in Miami, Florida, USA, with a workforce of 10001+ employees. Its website is http://lennar.com.Company H1B Sponsorship
Lennar has a track record of offering H1B sponsorships, with 3 in 2026, 23 in 2025, 16 in 2024, 8 in 2023, 6 in 2022, 2 in 2021, 7 in 2020. Please note that this does not guarantee sponsorship for this specific role.