Lead Software Engineer, Plan Intelligence

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.

We are seeking a talented Lead Software Engineer to join our team. This role involves designing, developing, testing, and deploying software applications. You will collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.

Collaborate with project stakeholders (product owners, UX researchers, data team, QA team, project managers, cross team leads and designers) to understand functional and non-functional requirements. Promote a collaborative team environment and work closely with colleagues to achieve business objectives. Responsible for planning work estimation and forecasting. Adhere to architecture, design, implementation, security standards and best practices. Investigate and propose solutions to development and design problems.

Conduct analysis to determine integration needs, and design and plan integrations. Prepare technical documentation, including software design evaluation plans and test results. Write high-quality code that satisfies customer needs and strives for simplicity, clarity, and testability. Implement unit and integration tests and conduct functional and performance testing where appropriate. Participate in code reviews or use collaborative programming techniques to promote high quality business outcomes.

Develop reusable software building blocks to enable faster delivery. Improve performance of existing software by diagnosing and resolving critical issues. Establish development practices and processes. Manage and mentor software engineers.

Own features end to end across a server-rendered React and Type Script front end and a Python FastAPI service backed by PostgreSQL on AWS. Partner with data engineering on the pipelines that feed plan, geospatial, and margin data into the platform, and help define the contracts between them. Build and tune interactive mapping, charting, and export experiences over large plan and community datasets.

Extend LLM-assisted features built on AWS Bedrock, keeping output quality, latency, and cost within agreed limits. Support the platform across development, UAT, and production environments on AWS, using application monitoring and product analytics to find and resolve issues.

Master’s degree in computer science and worked at a company for 5+ years with web technology stack and web standards. OR Bachelor’s degree in computer science, computer information systems or equivalent degree and worked at a company for 7+ years with web technology stack and web standards Growth mindset and a willingness to learn new skills, technologies, and frameworks. Excellent problem solving and analytical skills.

Proven track record for managing a team of developers to achieve company goals. Proven track record for architecting, scaling and implementing complex technical solutions. Proven track record of leadership in Agile environments, with excellent communication and collaboration skills, and a passion for mentoring and empowering team members. Demonstrated ability to communicate complex technical information in a condensed manner to various stakeholders verbally and in writing.

High proficiency in React.js (5+ years), with a solid background in building performant UI components with modern hooks and design patterns. Strong command of semantic HTML and modern CSS, including CSS-in-JS with a focus on accessibility and responsive design principles. Proficiency in Type Script and a modern React toolchain (Vite, server-side rendering, client-side…