Lennar · 2 days ago
Sr Software Engineer, AI & Architecture
Miami, FL
Full-time
Onsite
Senior Level
5+ years expLennar is one of the nation's leading homebuilders, dedicated to creating exceptional experiences for their homeowners and communities. They are seeking a talented Sr Software Engineer to design, develop, test, and deploy software applications while collaborating with cross-functional teams to translate business requirements into technical solutions.
ConstructionLifestyleReal Estate
Responsibilities
Design, develop, and maintain full-stack applications, ensuring scalability, performance, and security
Write clean, maintainable, and efficient code, following best practices and coding standards
Work on both the front-end (using frameworks such as React, Angular, or Vue.js) and back-end (using technologies such as Node.js, Python, or .NET)
Contribute to the architecture and design of software systems, ensuring alignment with business goals and technical strategy
Participate in technical design reviews, providing feedback and recommendations to improve system design and code quality
Collaborate with DevOps and platform teams to integrate applications into CI/CD pipelines and automate deployment processes
Develop and execute unit tests, integration tests, and automated tests to ensure software quality
Identify and resolve defects and performance issues, conducting thorough code reviews to maintain high standards of code quality
Work closely with QA teams to implement and improve testing strategies and processes
Collaborate with product managers, designers, and other engineers to deliver high-quality features and enhancements
Participate in agile ceremonies such as sprint planning, stand-ups, and retrospectives, contributing to the continuous improvement of the team’s processes
Communicate effectively with both technical and non-technical stakeholders, providing updates on progress and potential challenges
Mentor and guide junior engineers, sharing knowledge and best practices to help them grow in their roles
Lead by example, demonstrating a strong work ethic, a commitment to quality, and a proactive approach to problem-solving
Take ownership of features or projects, driving them from concept to completion with minimal supervision
Stay up-to-date with industry trends, emerging technologies, and best practices, and bring new ideas to the team
Identify opportunities for process improvements, refactoring, or technical enhancements to optimize the software development lifecycle
Participate in technical discussions and contribute to the evolution of the team’s technical direction
Qualification
Required
Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)
Minimum of 5-7 years of experience in software development, with a strong focus on full-stack development
Proven experience working in agile environments, with the ability to adapt to changing requirements and priorities
Proven experience in web development including working with Headless CMS systems, Digital Asset Management systems and front end development
Proficiency in modern front-end frameworks (e.g., React, Angular, Vue.js) and back-end technologies (e.g., Node.js, Python, .NET)
Strong understanding of RESTful APIs, microservices architecture, and database design (SQL and NoSQL)
Experience with cloud platforms (e.g., AWS, Azure, Google Cloud) and containerization tools (e.g., Docker, Kubernetes)
Familiarity with CI/CD pipelines, version control (e.g., Git), and DevOps practices
Expert-level experience designing and implementing multi-agent systems with complex inter-agent communication patterns and orchestration
Deep expertise in agentic AI architectures, including autonomous decision-making, goal-oriented behavior, and agent reasoning frameworks
Hands-on experience with enterprise AI platforms such as AWS Bedrock, Azure OpenAI Service, Anthropic's API, or similar managed AI services
Proficiency with AI orchestration frameworks and tools (e.g., LangChain, LlamaIndex, AutoGen, CrewAI, or similar)
Strong experience implementing tool/function calling, external system integrations, and protocol-based agent communication (e.g., Model Context Protocol)
Proven ability to integrate AI agents with enterprise systems, APIs, and data sources to enable autonomous workflows
Hands-on experience with LLM integration, prompt engineering, and managing context windows in production environments
Experience implementing agent observability, monitoring, and debugging solutions for production AI systems
Strong understanding of RAG (Retrieval-Augmented Generation) architectures and vector databases
Knowledge of AI safety practices, including guardrails, content filtering, and responsible AI deployment
Excellent problem-solving skills, with a detail-oriented approach and a strong sense of ownership
Effective communication skills, with the ability to work well in a collaborative team environment
A proactive attitude, with a willingness to take initiative and drive projects forward
Passionate about technology and software development, with a continuous desire to learn and improve
Self-motivated, organized, and capable of managing multiple tasks and projects simultaneously
High level of integrity, accountability, and a commitment to delivering high-quality software solutions
Benefits
Robust health insurance plans, including Medical, Dental, and Vision coverage
401(k) Retirement Plan, complete 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
Company
Lennar
Lennar Corporation, founded in 1954, is one of the nation's leading builders of quality homes for all generations.
10001+ employees
H1B Sponsorship
Lennar has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (25)
2024 (16)
2023 (8)
2022 (6)
2021 (2)
2020 (7)
Funding
Current Stage
Public CompanyTotal Funding
$747.2MKey Investors
Berkshire Hathaway
2025-05-12Post Ipo Debt· $700M
2023-08-14Post Ipo Equity· $17.2M
2014-01-02Post Ipo Debt· $30M
Leadership Team
B
Bruce E. Gross
CEO Lennar Financial Services
Stuart Miller
Co-Chief Executive Officer
Recent News
Business Wire
2026-01-09
Talk Business & Politics
2026-01-07
2026-01-06
Company data provided by crunchbase