Principal Full Stack Engineer

Principal Full Stack Engineer 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 We are looking for a Principal Engineer who will fundamentally change how our engineering teams work. Transforming the internal culture, workflows, and platform of our engineering organization to be AI-native. You will be the person who embeds with teams, rolls up your sleeves, and shows engineers firsthand how tools like Claude Code, ChatGPT Codex, and GitHub Copilot paired with agentic CI/CD patterns can compress days of work into hours. You will simultaneously build the platform scaffolding that makes this transformation repeatable, safe, and scalable across the organization. This is a builder and coach role in equal measure and the ideal candidate thrives in both. A career with purpose. A career built on making dreams come true. A career built on building [... source excerpt omitted ...] tooling. Contribute to cross-functional AI governance conversations, ensuring our agentic platform practices align with security, compliance, and organizational risk tolerance. Requirements 8+ years of engineering experience with strong foundations in backend services, APIs, cloud-native infrastructure, and containerized deployments. Deep CI/CD expertise - GitHub Actions, ArgoCD with hands-on experience redesigning pipelines to incorporate AI-driven steps, agent checkpoints, and human-in-the-loop approval gates. Experience in platform engineering, internal developer platforms (IDPs) - you understand that engineers are your customers. Fluent in GoLang and TypeScript/JavaScript; [... source excerpt omitted ...] osts or unintended side effects. Experience evaluating AI tooling for organizational fit: model capability benchmarking, security and data residency posture, SSO/SCIM integration requirements, rate limit and cost modeling at scale, and shadow IT risk when teams self-adopt without guardrails. 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 health needs are well taken care of. Our 401(k) Reti