Senior Full-Stack Software Engineer, AI

Mainstay
San Francisco, San Jose, Cupertino, Palo Alto
Workplace: RemoteFull timeFunction: Software EngineeringExperience: 5+ yearsSkills: ["Communication","Collaboration","Problem-solving"]

Design, build, and ship AI-powered workflow systems as a senior full-stack engineer. You’ll work across backend and frontend (Python, TypeScript, React) on AWS to deliver production-ready AI features, optimized LLM performance, and scalable data-driven products for real estate operations, collaborating closely with product, data science, and engineering teams.

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FursaFursa
Mainstay
Mainstay
3 months ago

Senior Full-Stack Software Engineer, AI

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Design, build, and ship AI-powered workflow systems as a senior full-stack engineer. You’ll work across backend and frontend (Python, TypeScript, React) on AWS to deliver production-ready AI features, optimized LLM performance, and scalable data-driven products for real estate operations, collaborating closely with product, data science, and engineering teams.
Location: San Francisco, San Jose, Cupertino, Palo Alto
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering
Seniority: Sr. Manager level

Key Responsibilities

  • •Contribute to all phases of product development, from ideation and prototyping to implementation and iteration.
  • •Design reliable, scalable backend services to support AI-powered features in production.
  • •Build and evolve scalable backend services and APIs that aggregate, enrich, and serve large, complex real estate datasets.
  • •Develop and refine frontend and backend product experiences that make sophisticated data intuitive, trustworthy, and actionable.
  • •Mentor other engineers through code reviews, technical guidance, and shared ownership of team standards.

Key Requirements

  • •5+ years of experience building and shipping production-grade software in fast-paced startup environments.
  • •Proven, hands-on experience developing and deploying production-ready AI features.
  • •Deep experience designing, building, and operating scalable backend systems, ideally in Python.
  • •Solid frontend experience with React or similar modern frameworks.
  • •Clear, thoughtful communication skills for a remote, highly collaborative team.
Experience:5+ yearsAISaaSReal estateData-heavy
Skills:CommunicationCollaborationProblem-solving
Tech Stack:PythonTypeScriptReactAWSFastAPIDjangoPostgreSQLAirflowDbtSnowflakeTerraform

Company Brief

Mainstay
Mainstay operates an AI-native market intelligence and transaction platform for the single-family rental (SFR) industry, aggregating and standardizing data from many sources to help owners, operators, and investors buy, manage, and sell homes.
Industry: PropTech
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Funding: Series A
Headquarters: San Francisco, United States
Founded: 2020
Glassdoor
Glassdoor: 3.0
WebsiteGlassdoor