Senior Product Manager – Payments

2 days ago

New York, New York, United States Ninth Wave Full time $150,000 - $250,000 per year

Location: New York, NY
The Opportunity

We're looking for a
Senior Product Manager
with a deep understanding of payments and a passion for building partner-friendly APIs to join our growing product team. You'll work directly with the Chief Product Officer and cross-functional partners to define, build, and scale our payments capabilities and integration frameworks — enabling a new generation of third-party applications to connect and transact securely.

This is a highly visible, high-impact role with the opportunity to shape our payments strategy and expand the reach of the Ninth Wave platform.

What You'll Do

  • Own the product lifecycle for our payments APIs — from discovery and design to launch and continuous improvement.
  • Collaborate with engineering and design to define technical requirements, API schemas, and integration flows.
  • Partner with external fintechs and internal stakeholders to understand pain points and build features that scale.
  • Drive integration readiness and enablement, including documentation, testing tools, and onboarding frameworks.
  • Serve as the internal subject matter expert on payment flows, standards (e.g. ACH, RTP), and best practices.
  • Identify opportunities to simplify integration experiences and reduce time-to-market for third-party developers.
  • Leverage AI tools to accelerate research, documentation, and technical understanding where applicable.
  • Complies with the company in-office policy
  • Collaborate in-person with teams at our New York City office to drive initiatives

What We're Looking For

  • 5+ years of product management experience, ideally in fintech, banking, or payments.
  • Strong understanding of payments systems (e.g., ACH, wire, RTP, card rails), payment operations, and API design.
  • Experience working with or building for third-party developers and partners.
  • Familiarity with OAuth, token exchange, and developer onboarding flows is a strong plus.
  • Technical fluency — comfortable working through API specs, integration edge cases, and data models with engineers.
  • Excellent written and verbal communication skills.
  • Proactive, self-directed, and comfortable navigating ambiguity in a fast-paced environment.
  • AI fluency a plus — bonus points if you actively use LLMs to supercharge your workflow.

Why Join Ninth Wave?

  • Shape the future of a platform critical to the open banking ecosystem.
  • Join a small, focused team with strong leadership and a clear mission.
  • Own a critical domain — your work will be foundational to our partner success and product growth.
  • Work at the intersection of finance, data, and technology.
  • Competitive compensation, equity, and benefits in a high-impact role.

About Ninth Wave
Ninth Wave is building the future of open banking infrastructure. We empower financial institutions and fintech partners with secure, reliable, and compliant access to financial data and services through a unified platform. Our mission is to accelerate innovation in finance by making integrations seamless, scalable, and trustworthy.

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