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Mainstay Labs Inc. · IT - Software Development

Software Engineer

United States 136000.00 - 208000.00 USD / Year · Job Posted February 18, 2026

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Job Description

You’ll have the opportunity to design, build, and ship complex systems and tools that enable teams to execute at scale. We're looking for someone who can build robust, reliable, and production-ready features end to end, from backend systems and retrieval pipelines to user-facing product experiences. Our products are built with Python, TypeScript, and React on AWS.

Job Responsibility

Contribute to all phases of product development, from ideation and prototyping to implementation and iteration
Build and evolve both frontend product experiences and backend services that power them
Design reliable and scalable backend services to support new features in production
Modernize and automate legacy workflows in the real estate industry
Define and ship useful features in partnership with cross-functional teams
Mentor and support the growth of other engineers on the team
Collaborate closely with product managers, designers, and operators to identify and solve customer pain points

Requirements

3+ years of experience building and delivering production-grade software, ideally in fast-paced, high-growth startup environments
Strong full-stack engineering skills, with a focus on backend scalability and system reliability
Experience designing, building, and evolving scalable systems and services
Clear, concise communicator
Proactive and ownership-driven
Customer-focused mindset
Strong Python background

Nice to have

Experience with TypeScript and React
Experience with workflow automation or complex data integration

What we offer

Offers Equity

Mainstay Labs Inc. - All Job Offers

136000.00 - 208000.00 USD / Year · United States

Software Engineer

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