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About the Role
The Sr Software Engineer reports to the Engineering Manager. You will lead the design, development, and evolution of enterprise-grade applications, integrations, and MCP servers. This role requires a hands-on leader to deliver scalable, secure, and business-aligned AI infrastructure on AWS.
Responsibilities
- Lead the architecture, design, and implementation of full-stack systems using TypeScript/React and Go.
- Drive team adoption of legal, compliance, and procurement platform capabilities, establishing team standards.
- Partner with central platform teams to provide feedback, influence roadmaps, and contribute improvements.
- Lead the development of agentic and AI product capabilities, leveraging AWS Bedrock, Claude, and OpenAI.
- Own production readiness for team's services, including observability, reliability, security, and performance.
- Mentor and develop engineers through design reviews, pairing, and technical guidance.
- Partner with product stakeholders to translate business needs into scalable technical solutions.
- 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
- Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience.
- 5+ years of professional software development experience, including ownership of production systems at scale.
- Expert-level proficiency in TypeScript and React, and strong backend experience with Go.
- Deep understanding of system design, API architecture, security, and performance optimization.
- Proven success operating in a DevOps/self-service environment.
- Demonstrated technical leadership: driving projects end-to-end, setting standards, and mentoring engineers.
- Excellent communication skills with both technical and non-technical audiences.
- Experience with ServiceNow, Legal, Compliance and Procurement systems/applications.
- Deep CI/CD expertise (GitHub Actions or similar) — highly preferred.
- Strong infrastructure-as-code expertise (Terraform or similar) — highly preferred.
- Experience self-serving through internal developer portals such as Backstage.
- Production experience building agentic/AI systems; hands-on AWS Bedrock experience is a strong differentiator.
- Python Mastery: 5+ 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.
Skills
- TypeScript
- React
- Go
- AWS Bedrock
- Claude
- OpenAI
- Terraform
- CloudFormation
- OpenTelemetry
- ServiceNow
- GitHub Actions
- Spotify Backstage
- Python
- FastAPI
- Starlette
- IAM role chaining
- Secrets Manager
- ECR
- VPC networking
- AWS Bedrock AgentCore
- OAuth 2.0
- OIDC
- Workday
- Salesforce
Experience Level
- 5+ years of professional software development experience
Education Level
- Bachelor's degree in Computer Science, Engineering, or related field, or equivalent practical experience.
Benefits
- 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.
About the Company
- Lennar is a leading homebuilder focused on creating extraordinary experiences for Homeowners, Communities, and Associates.
- A Fortune 500® company consistently ranked among the top homebuilders in the United States.
Equal Opportunity
- Lennar is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws.