Sr Software Engineer
Lennar Corporation2 months ago
Miami, FL, USASenior
Responsibilities
- Lead the architecture, design, and implementation of full-stack enterprise systems using TypeScript, React, and Go.
- Develop agentic and AI product capabilities, including AI agents, MCP servers, and LLM-powered features.
- Own production readiness, observability, reliability, security, performance, and infrastructure delivery for team services.
- Use Terraform or CloudFormation to deploy infrastructure as code and instrument services with OpenTelemetry and structured JSON logging.
- Drive adoption of internal developer platform capabilities, IDP templates, CI/CD pipelines, and Terraform modules.
- Partner with platform and product teams, contribute to shared templates and modules, and translate business needs into scalable technical solutions.
- Conduct technical design reviews, establish engineering standards, mentor engineers, and transfer knowledge through documentation and live sessions.
- Integrate complex enterprise APIs and systems such as Workday, Salesforce, and ServiceNow.
Requirements
- Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
- 5+ years of professional software development experience, including ownership of production systems at scale.
- Expert-level TypeScript and React proficiency, strong backend experience with Go, and 5+ years of production Python experience.
- Experience with asynchronous Python frameworks such as FastAPI or Starlette.
- Deep understanding of system design, API architecture, security, and performance optimization.
- Demonstrated technical leadership, end-to-end project ownership, engineering standards development, and mentoring experience.
- Experience operating in a DevOps or self-service environment where product teams own infrastructure and delivery pipelines.
- Experience with ServiceNow and legal, compliance, and procurement systems or applications.
- Deep CI/CD expertise with GitHub Actions or similar tools.
- Strong infrastructure-as-code expertise with Terraform or similar tools.
- Experience with internal developer portals such as Backstage, including golden paths, software templates, and service catalogs.
- Production experience building AI agents, MCP servers, and LLM applications; AWS Bedrock experience is a strong differentiator.
- Deep AWS infrastructure knowledge, including IAM role chaining, Secrets Manager, ECR, and VPC networking.
- Hands-on Model Context Protocol and AWS Bedrock AgentCore experience.
- Advanced OAuth 2.0/OIDC implementation, including On-Behalf-Of flows and JWT validation.
- Experience authoring Spotify Backstage templates and GitHub Actions CI/CD pipelines.
- Proven experience integrating complex enterprise APIs such as Workday, Salesforce, or ServiceNow.
- Excellent communication skills with technical and non-technical audiences.
Benefits
- Medical, dental, and vision insurance coverage.
- 401(k) retirement plan with a dollar-for-dollar company match up to 5%.
- Paid parental leave and an Associate Assistance Plan.
- Education Assistance Program and up to $30,000 in adoption assistance.
- Up to three weeks of vacation annually from the time of hire, plus holiday, sick leave, and personal day policies.
- New Hire Referral Bonus Program, home purchase discounts, and Everyone’s Included Day.
- The posting states the role includes access to Lennar benefits under applicable policies and plan terms; no work arrangement or contract duration is specified.
Categories
About Lennar Corporation
Lennar Corporation is a U.S. homebuilder that designs, builds, and sells single-family and multifamily homes for first-time, move-up, luxury, and active-adult buyers, and provides mortgage, title, and closing services. The company also develops communities and related real estate, operating across many U.S. markets. Founded in 1954 and headquartered in Miami, it is a public company listed on the NYSE (ticker: LEN) and a longtime Fortune 500 homebuilder.