[Hiring] Growth Account Executive @Mainstay Labs Inc.

Role Description

We’re hiring a Growth Account Executive to own the full sales cycle for Mainstay’s platform and services portfolio. You’ll land new mid-market customers (SFR/BTR operators, proptechs, and lenders) through our seat-license entry point, then cross-sell our full suite of services (Tax Management, HOA, Data Products, Mail Triage, Revenue Management) to grow accounts over time. This is a quota-carrying role where you will co-author the mid-market sales playbook alongside our VP of Sales.

This role is remote based in New York. Candidates must be located in New York or willing to relocate (relocation assistance provided).

In this role you will:

• Own prospecting through close for mid-market accounts ($10K–$100K+ ACV).
• Run discovery, product demos, and commercial negotiations across multiple product lines.
• Land new customers through our seat-license platform, then cross-sell Tax, HOA, Data, Mail, and Revenue Management services to grow accounts into full-service relationships over 12-18 months.
• Partner with senior leadership on complex or larger deals.
• Build and maintain a disciplined pipeline in HubSpot.
• Co-author the mid-market sales playbook.

Qualifications

• 1-4 years of B2B SaaS closing experience (AE or senior SDR ready to close).
• Experience selling multiple products or services into the same account.
• Ability to run a technical demo and answer data methodology questions.
• Proactive in building processes.
• HubSpot proficiency.

Requirements

• Bonus points if you have PropTech, real estate technology, fintech, or data platform experience.
• Familiarity with the single-family rental or build-to-rent ecosystem.
• Experience selling into institutional real estate operators, lenders, or investors.
• Experience with seat-based or usage-based pricing models.

Benefits

• This role is a great fit if you have sold into complex, multi-product environments.
• You get energy from building something early.
• You are coachable and adaptable.
• You earn trust across teams without needing a formal mandate.

Company Description

Mainstay is the leading market intelligence platform purpose built for buying, managing, and selling homes in the single family rental industry. As an AI native company, we turn complex data into clarity that helps the industry move forward with confidence. Founded within Opendoor, Mainstay launched as an independent company in 2024 and recently raised a Series A round led by Khosla Ventures.