Senior Software Engineer, ICON

• 5+ years of software engineering experience, with 3+ years building and shipping AI/ML-powered products in production environments
• Strong software engineering fundamentals — system design, data structures, algorithms, testing, and CI/CD
• Familiarity with popular image and text deep learning architectures
• Hands-on experience with LLMs and modern AI patterns including RAG, function calling, and multi-agent orchestration
• Experience designing and operating scalable backend systems and APIs
• Bachelor's degree in computer science, computer engineering, mathematics, or equivalent technical degree and industry experience

Desirable

• ICON is looking for a Senior Software Engineer, AI/ML to join the BuildOS team. BuildOS is ICON's software platform for residential construction. Our team is applying modern machine learning to the space of architectural design and construction for the homes of the future
• This role reports to the Senior Director of Software
• You will have the opportunity to work with some of the world's most talented architects and engineers
• You will gain hands-on experience using the latest and greatest models to solve new problems
• This role is a crucial part of defining how the next generation of housing will be built
• This role will contribute to applied AI projects in the building compliance and regulatory space — using NLP and document reasoning to automate how architectural designs are evaluated against building codes
• This work spans both commercial and government contexts and involves real-world deployment of multi-agent AI systems against complex, domain-specific rulesets
• Design, build, and maintain production-grade AI systems and services
• Develop and integrate LLM-powered features using RAG, prompt engineering, and multi-agent frameworks to solve real-world problems in the construction domain
• Build tools to radically decrease the cost and time needed to design beautiful homes
• Build tools to let home buyers visualize, explore and choose their ideal home
• Build digital design tools that take full advantage of 3D printing's capabilities
• Explore the use of ongoing AI research for all of ICON's activities
• Translate business problems into deployed production solutions in the AI space
• Write clean, well-tested, well-documented code and actively participate in design and code reviews
• Build NLP pipelines for document understanding, information extraction, and reasoning over regulatory content
• Stay current with advancements in AI/ML and evaluate new tools and approaches for applicability to ICON's product areas