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Senior Director of Strategic Partnerships, New Verticals

New York, New York, United States

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2025 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team?

About the Role

We’re looking for a Senior Director, Business Development (New Verticals) who lives for the hunt — a strategic seller who knows how to open doors, build conviction, and close complex platform deals that move the needle. You’ll take Flex’s pay-over-time platform into new industries and build the partnerships that define our next wave of growth.

This is a high-impact, outward-facing role where performance is measured in deals closed and markets won. Reporting to the VP of Strategic Partnerships, you’ll own the full sales motion — from pipeline creation and partner outreach to negotiation, launch, and revenue scale. You’ll target major payment platforms and vertical SaaS providers across insurance, utilities, telecom, auto, and healthcare, collaborating with GTM and Sales leadership to drive measurable adoption and sustained growth.

This role offers hybrid flexibility in NYC or San Francisco (relocation assistance available).

What You’ll Do

  • Originate and Build New Partnerships. Proactively source, qualify, and pursue aggregator and platform partnership opportunities that unlock scalable access to new industries. Drive outbound prospecting, relationship development, and creative deal sourcing to build a healthy, high-value pipeline.
  • Structure and Close Complex Deals. Lead the full lifecycle of strategic negotiations—including commercial terms, pricing, exclusivity, and go-to-market commitments—working cross-functionally with Legal and Finance to finalize agreements that drive material business impact.
  • Develop Market Entry & GTM Strategies. Define Flex’s entry strategy for new payment categories, identifying where platform integration creates the most leverage. Translate market insights into actionable go-to-market plans and partnership roadmaps.
  • Enable Scalable Distribution Through Platforms. Secure one-to-many integrations with partners that aggregate large populations of billers or consumers, enabling efficient, repeatable distribution through a single technical deployment.
  • Align with GTM and Sales Teams. Partner with New Vertical GTM leadership and Sales team members to coordinate joint pipeline management, co-selling efforts, and downstream activation across Flex’s key verticals.
  • Launch and Operationalize Partnerships. Work hand-in-hand with Product, Engineering, and Marketing to ensure seamless partner onboarding, technical deployment, and post-launch optimization.
  • Feed Market Insights Back to Product. Provide structured market feedback to Product and Engineering teams to shape integration strategy, API roadmap, and partner tooling—ensuring Flex’s solutions remain competitive and scalable.

This is a hybrid position with on-site expectations of 3 days per week in our New York Headquarters or 2 days per week in our SF Hub. For candidates outside of the NY/NJ or SF area, you may be eligible for our relocation assistance program.

Key Qualifications

  • 10+ years in business development, strategic partnerships, or enterprise sales within FinTech, Payments, or SaaS.
  • Proven hunter DNA — demonstrated success in origination-heavy roles where you personally sourced and closed complex, first-of-kind deals.
  • Strong experience working with aggregators or platform-based partnerships, ideally involving one-to-many distribution models.
  • Full-cycle deal ownership — from outbound prospecting through contracting, launch, and scaling.
  • Skilled communicator with executive presence, commercial fluency, and negotiation expertise.
  • Operates with urgency, adaptability, and strategic judgment in fast-changing, high-growth environments.

The compensation range for this role will be commensurate with the candidate's experience and Flex's internal leveling guidelines and benchmarks. This is a commission earning role. The OTE (On Target Earnings) of $265,000-365,000.

Life at Flex:

We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace.

We offer many employee benefits. For full time, U.S. based employees we offer:

  • Competitive pay
  • 100% company-paid medical, dental, and vision
  • 401(k) + company equity
  • Unlimited paid time off + 13 company paid holidays
  • Parental leave 
  • Flex Cares Program
  • Free Flex subscription

 For full time non-US employees, we offer

  • Competitive Pay
  • Company Equity
  • Unlimited PTO

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