Senior Software Engineer (Payments and Finance)

Posted 2 Days Ago
Be an Early Applicant
San Francisco, CA, USA
Hybrid
140K-200K Annually
Senior level
Artificial Intelligence • Kids + Family • Social Impact • Software • Sports
Building the AI-powered operating system for the activity economy. We're helping communities play, connect and thrive.
The Role
The role involves owning payment systems and financial integrations like Stripe, ensuring transaction accuracy, building accounting tools, and maintaining compliance. The candidate should have significant experience in software development and be proficient with AI tools.
Summary Generated by Built In
About Rec

At Rec (rec.us), we're reimagining how the world plays, trains, competes, explores, and gets outside. Our mission is to empower the entire recreation community to thrive, and our vision is bold: power recreation worldwide.

Booking a tennis court? Signing your kid up for swim lessons? Trying to find an open rec league? It shouldn't feel like filing your taxes. We're partnering with parks and rec departments, golf courses, campgrounds, gyms, and more to transform a $105B industry stuck in the Stone Age.

Who We Are

We're a small team with outsized ambition. We've built products and led teams at places like Google, Amazon, Uber Eats, MasterClass, The Athletic, Nextdoor, and more.

Our Values:

  • Be Relentless. Move fast. Own it.

  • Win Together. Speak up and go beyond the boundaries of your role.

  • Take Pride. Treat this like it's yours, because it is.

About The Role

This is not a seat-filling role. We're a Series A company in scaling mode, processing more transactions every day, and the systems that handle our partners' money need someone who owns them.

That's this role. Every dollar that flows through Rec — a parent paying for summer camp, a department collecting membership dues, a parks department invoicing a facility rental — runs through the systems you'll build. You'll own our Stripe integration, the financial data model underneath it, and the accounting and reporting tools our partners use to run their business. You'll make sure the money moves correctly, the books reconcile, and the reports our partners rely on are accurate down to the cent.

You'll still ship across the broader platform when the work calls for it, but the primary job is owning payments and finance. Our partners trust us with their revenue. That trust is everything.

What You'll Do
  • Own our Stripe integration and the systems that handle every financial transaction on the platform, from one-time bookings to recurring memberships to payouts and payment plans.

  • Build and evolve the accounting and reporting tools our partners use to run their businesses, including financial reports, reconciliation, and exports to downstream accounting systems.

  • Model the financial data layer carefully. Money is unforgiving of bad schemas.

  • Partner with Product, Design, and Partner Success to understand what our partners actually need from their financial tooling, and build for the real workflows.

  • Make sure payment failures, refunds, chargebacks, disputes, and edge cases are handled cleanly, reliably, and observably.

  • Help us stay compliant as we grow (PCI, SOC 2, tax reporting, and whatever else the business requires).

  • Use AI tools fluently across your workflow, from drafting Stripe webhook handlers to debugging reconciliation issues to analyzing transaction data.

  • Contribute to the broader platform when the work touches payments or finance.

What We're Looking For
  • 5+ years of experience building software in collaborative environments.

  • You're fired up by the mission.

  • AI fluency is non-negotiable.

  • You ship with quality. Every customer transaction matters to us: a missed swim lesson registration, a double-booked court, a failed payment. Reliability is the baseline.

  • Product judgment is part of the job.

  • You thrive in ambiguity.

  • You work like a partner, not just a coder.

  • You communicate clearly, candidly, and constructively.

Our Stack
  • Frontend: Next.js (hosted on Vercel), React, TypeScript

  • Backend: Node.js, Koa, Objection.js, PostgreSQL

  • Infra & Ops: AWS, Temporal, Twilio

  • AI & Tooling: Claude Code, Cursor, or equivalent — mandatory.

Pay & Benefits
  • Compensation: $140,000–$200,000 base + meaningful equity

  • Benefits: Flexible PTO, top-tier health/dental/vision, 401(k).

  • Work location: San Francisco — in-office most days at our downtown SF office.

Ready to build something real? Something fun? Something big? We're ready for you.

Skills Required

  • 5+ years of experience building software in collaborative environments
  • AI fluency
  • Experience with financial transaction systems
  • Strong product judgment
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The Company
HQ: San Francisco, CA
40 Employees

What We Do

Rec is building the operating system for the activity economy. Every day, millions of people look for ways to play, learn, move, compete, and connect in their communities. Yet the technology powering recreation has been largely ignored for decades. modernizing the $105B activity industry – parks & recreation departments, golf courses, campgrounds, gyms, and play agencies. Our platform powers registrations, facility reservations, instructor marketplaces, payments, permits, and operations for cities and recreation organizations across the country. While much of the tech industry is focused on capturing attention, we're focused on creating more opportunities for people to spend time away from screens via more youth sports, more recreation classes, more community events, and more ways to stay active and connected.

Why Work With Us

We're applying Silicon Valley talent and AI innovation to one of the largest, least-modernized industries in the world to create more play, movement and connection in the real world. If you get fired up by making tech that actually matters to families, coaches, and kids all over the country, come join us.

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