Senior Software Engineer, Fintech
New
USAFull-TimeSenior
Salary not disclosed
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Job Details
- Experience
- 5+ years of software engineering experience, with 3+ years building and owning production billing or payment systems
- Required Skills
- Node.jsTypeScriptReactRESTful APIs
Requirements
- 5+ years of software engineering experience, with 3+ years building and owning production billing or payment systems
- Hands-on experience with Stripe Connect or comparable payments platforms (e.g. Square, Adyen, Braintree); Stripe Connect experience strongly preferred
- Proven track record designing and scaling billing or payment systems for multi-sided marketplaces
- Strong proficiency in Node.js, TypeScript, React, and REST API design
- Deep understanding of financial systems concepts including subscription billing, revenue recognition, reconciliation, idempotency, and refund flows
- Solid grasp of compliance requirements including PCI DSS, KYC/AML, and tax regulations relevant to payment platforms
- Excellent communication and collaboration skills with the ability to drive alignment across engineering, product, and finance stakeholders
- Strong ownership mindset — you take initiative, drive solutions, and see them through to production
Responsibilities
- Lead the architecture and development of a world-class billing platform built on Stripe Connect, designed to scale with our growing marketplace
- Design and implement sophisticated payment flows supporting complex multi-sided marketplace dynamics, including gym owner payouts, member billing, and platform revenue
- Own financial reporting, reconciliation, and auditability systems that give our business and customers accurate, real-time financial visibility
- Drive compliance across applicable tax, KYC/AML, and regulatory requirements, proactively identifying and addressing risk
- Build seamless onboarding experiences for gym owners that reduce friction and accelerate time-to-value
- Partner cross-functionally with Product, Finance, and Operations to identify and execute on new monetization opportunities
- Mentor engineers on the team, establishing patterns and best practices for building reliable, compliant financial systems
- Lead incident response for payment-critical systems and drive improvements that strengthen long-term resilience
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