About Lennar

Lennar is one of the nation's premier homebuilders, consistently ranked among the top performers in the United States and recognized as a Fortune 500® company. For decades, we've been more than just a construction firm—we're architects of dreams, creators of communities, and champions of exceptional living experiences. Our mission transcends building homes; it's about crafting extraordinary lifestyles for homeowners while fostering vibrant communities and nurturing the professional growth of our associates. With a steadfast commitment to quality, zero-defect construction, cost efficiency, and schedule adherence, Lennar has built a legacy of excellence across the country.

Headquartered in a dynamic landscape of innovation, Lennar leverages cutting-edge technology to revolutionize the homebuilding industry. Our Technology team in Bentonville, Arkansas, is at the forefront of this transformation, integrating AI, full-stack development, and cloud-native solutions to solve complex business challenges. Joining Lennar means becoming part of a purpose-driven organization that gives back to the communities we serve, empowers associates with unparalleled growth opportunities, and builds futures—literally and figuratively.

Executive Summary

As a Software Engineer II - Fullstack/AI at Lennar, you'll be the driving force behind intelligent, agentic applications that propel our homebuilding operations into the future. This full-time role in Bentonville, Arkansas, is perfect for a mid-level engineer with 3+ years of experience who thrives on building scalable Node.js full-stack apps and pioneering AI agents on AWS. Using TypeScript and Python, you'll develop autonomous workflows powered by Large Language Models (LLMs), RESTful APIs, and Snowflake data pipelines. Expect an estimated salary range of $115,000 - $165,000 USD annually (based on market data for similar roles in Northwest Arkansas), though exact figures are not disclosed.

This position offers a rare blend of practical AI innovation and real-world impact: from optimizing supply chain logistics to enhancing customer experiences in home sales. Work in an agile environment with modern tools like AWS Bedrock, SageMaker, Lambda, and Palantir Foundry. If you're passionate about shipping code that matters, continuous learning in Generative AI, and collaborating with cross-functional teams, Lennar is your launchpad to build a career as impactful as the homes we construct.

Role & Mission

Your mission as Software Engineer II is to architect and deploy full-stack solutions infused with AI autonomy, enabling Lennar to deliver smarter, faster homebuilding processes. You'll move beyond simple LLM integrations to create sophisticated agentic systems—think autonomous agents that analyze market data, predict construction delays, or personalize homeowner interactions. Based in Bentonville, you'll contribute to enterprise-wide tools that span sales, operations, and community management, all while upholding our core values of innovation, reliability, and customer obsession.

This role demands a builder's mindset: hands-on coding, rapid experimentation, and a commitment to production-ready excellence. You'll collaborate with product managers, data scientists, and fellow engineers in sprints, ensuring AI-driven features are testable, scalable, and deployed seamlessly via CI/CD pipelines.

Detailed Responsibilities

• Develop Full-Stack Applications and AI Agents: Craft end-to-end solutions using TypeScript/Node.js for frontends and Python for robust backend logic, focusing on autonomous agents that leverage LLMs for decision-making.
• Engineer AWS-Based Workflows: Design, build, and deploy serverless pipelines with Lambda, API Gateway, Bedrock, and SageMaker, optimizing for cost, performance, and scalability in homebuilding use cases.
• Build and Maintain APIs: Create secure, high-performance RESTful services that seamlessly interface with LLMs, handling data ingestion, processing, and output for real-time applications.
• Agile Collaboration and Deployment: Participate in daily stand-ups, sprint planning, and retrospectives to deliver reliable AI features from prototype to production, emphasizing TDD and monitoring.
• Data Mastery with SQL and Snowflake: Write complex, optimized queries to extract insights from vast datasets, supporting RAG (Retrieval-Augmented Generation) workflows and business intelligence.
• Innovate Continuously: Experiment with emerging GenAI capabilities, contribute to Palantir Foundry projects, and document best practices to elevate team knowledge.

Technical & Behavioral Qualifications

Technical Must-Haves

• 3+ years of experience with a Bachelor’s degree in Computer Science or related field.
• Expertise in TypeScript/Node.js for full-stack development and Python for scripting/data tasks.
• Advanced SQL proficiency, including Snowflake; bonus for multi-platform experience.
• Hands-on AWS (Bedrock, SageMaker, Lambda, API Gateway, RDS).
• Proven work with LLMs, AI agents, or RAG pipelines.
• Familiarity with Palantir Foundry preferred.

Behavioral Fit

• Problem-solver who loves experimentation and user-focused shipping.
• Agile team player based in Northwest Arkansas.
• Curious lifelong learner adapting to AI's rapid evolution.

Career Path & Growth at Lennar

Lennar invests in your trajectory with structured paths to Senior Engineer, Tech Lead, or AI Architect roles. Access mentorship programs, internal mobility across 20+ markets, and leadership training. Our Education Assistance covers certifications (AWS, GenAI) and advanced degrees, fueling promotions backed by performance metrics and 360 feedback.

The Impact You Will Make

Your code will streamline supply chains, predict demand with AI precision, and personalize thousands of homebuyer journeys—directly contributing to Lennar's market leadership and homeowner satisfaction. Imagine agents automating defect detection or optimizing schedules, saving millions and building trust.

Company Benefits & Perks

• Robust health plans: Medical, Dental, Vision from day one.
• 401(k) with 1:1 match up to 5%.
• Paid Parental Leave, Adoption Assistance up to $30,000.
• Education support and Associate Assistance Program.
• 3 weeks vacation, holidays, sick/personal days.
• Home discounts, referral bonuses, and community volunteer opportunities.

Workplace Culture

In Bentonville, expect a collaborative, innovative vibe with modern offices, flexible hours, and events fostering work-life balance. We're diverse, inclusive, and obsessed with growth—celebrate wins, learn from failures, and build together.

How to Apply

Ready to build the future? Submit your resume, GitHub/portfolio showcasing AI projects, and a cover letter explaining your passion for agentic AI in homebuilding. We review applications weekly; top candidates interview in 2 weeks. Lennar is an EEO employer. Join us in Bentonville, Arkansas—where code meets construction.