Software Engineer II, Frontend

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 seeking a highly skilled and forward-thinking Frontend Software Engineer to join our Mobile Engineering team. This individual will play a key role in designing and developing state-of-the-art mobile applications that combine exceptional user experiences with advanced AI capabilities, including generative AI and large language models (LLMs). The ideal candidate is an expert in mobile development, AI integration, and creating seamless, impactful digital experiences. They must also excel in collaboration and communication to drive success across teams.

• A career with purpose.
• A career built on making dreams come true.
• A career built on building zero defect homes, cost management, and adherence to schedules.

Your Responsibilities on the Team 

1. Mobile Application Development:

• Design, develop, and deploy high-quality mobile applications using modern frameworks and best practices.
• Ensure applications deliver exceptional user experiences and perform seamlessly across platforms (iOS and/or Android).
• Leverage cutting-edge mobile development tools and techniques to build scalable, maintainable, and robust codebases.

2. AI Integration:

• Collaborate with data scientists and AI engineers to integrate generative AI, LLMs, and machine learning models into mobile applications.
• Design intuitive user interfaces and workflows that incorporate AI-powered features such as personalized recommendations, natural language interfaces, and content generation.
• Optimize AI integration for mobile environments, ensuring efficiency and responsiveness.

3. Generative AI & LLM Experience:

• Implement features powered by LLMs, such as chatbots, virtual assistants, or text completion tools, into mobile applications.
• Leverage generative AI frameworks to build creative solutions like content generation, image synthesis, or augmented reality experiences.
• Work with APIs and platforms such as OpenAI, Anthropic, Hugging Face, or other LLM providers to integrate state-of-the-art models.

4. User Experience Excellence:

• Partner with UX/UI designers to create visually appealing and user-friendly mobile interfaces.
• Continuously improve usability by implementing feedback and conducting user testing.

5. Cross-Functional Collaboration:

• Collaborate with product managers, backend developers, and AI teams to translate requirements into scalable technical solutions.
• Partner with QA teams to ensure applications meet quality and performance benchmarks.
• Serve as a mobile engineering expert, offering mentorship and technical guidance to junior team members.

6. Best Practices and Innovation:

• Stay up to date with the latest trends in mobile development, AI technologies, and user experience design.
• Advocate for and implement best practices in mobile development, AI integration, and performance optimization.
• Contribute to the overall technical strategy for mobile engineering, generative AI, and LLM applications.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
• 3+ years of professional experience in mobile application development.
• Proven track record of building and shipping high-quality mobile apps for iOS and/or Android.
• Hands-on experience integrating AI/ML models, including generative AI and LLMs, into mobile or web applications.

Technical Skills:

• Proficiency in native mobile development using Swift, Kotlin, or Java.
• Experience with cross-platform frameworks (e.g., Flutter, React Native) is a plus.
• Strong understanding of mobile UI/UX principles and best practices.
• Familiarity with generative AI frameworks (e.g., TensorFlow Lite, Core ML, or PyTorch) and LLM APIs like OpenAI or Hugging Face.
• Expertise in cloud services and mobile backend integration (e.g., Firebase, AWS Amplify, or similar).

Soft Skills:

• Exceptional communication skills, with the ability to articulate technical concep