Mainstay is a leading market intelligence platform for the single family rental industry, and they're looking for a Senior Software Engineer to help shape the future of real estate with AI. The role will involve designing, building, and shipping complex AI-powered workflow management systems and tools, and collaborating with cross-functional teams to bring AI features from idea to launch.

Requirements

  • 5+ years of experience building and delivering production-grade software
  • At least 3 years of hands-on experience developing and deploying production-ready AI features
  • Strong full-stack engineering skills with a focus on backend scalability and system reliability
  • Experience fine-tuning and deploying LLMs
  • Deep understanding of LLM evaluation methods
  • Hands-on work with agentic frameworks or custom agent systems

Benefits

  • Competitive salary
  • Stock options
  • 401(k) matching
  • Health insurance
  • Dental insurance
  • Vision insurance
  • Flexible paid time off
  • Relocation assistance