Senior Software Engineer, Payments
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At a glance
Job overview
Wonderschool is hiring a Senior Software Engineer, Payments. Wonderschool is seeking a Senior Software Engineer, Payments to own the engineering behind a payments platform processing at least $3 billion. This role involves consolidating and refactoring legacy integrations into a clean, reliable, and fast system. The engineer will work directly with customers and partner with product to build, ship, measure, and iterate on the platform.
Key focus areas include Build alongside a dedicated payments team, Consolidate and refactor a payments system assembled from many legacy system integrations, and Build and maintain integrations across banking, debit cards, Stripe, SAP, partner advances, payroll, and our billing platform.
Successful candidates bring Senior Engineer Payments Background, Regulatory Payments Knowledge, and Exceptional Attention To Detail. Important skills include Stripe, SAP, Integration, Orchestration, Tracking, and Refactoring. Preferred (not required): Fintech and Finance Background.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Senior Software Engineer, Payments Location: San Francisco (Rincon Hill)
Company Overview Mission: Make high-quality early childhood education accessible to all by empowering childcare providers with tools and support while helping parents find quality learning environments.
What We're Building: A category-defining platform at the intersection of marketplace, SaaS, and public sector systems, increasingly powered by AI. Series B backed by a16z, Goldman Sachs, and First Round.
The Role Own the engineering behind a payments platform that processes at least $3 billion through our platform, working alongside a small, dedicated team. We move money across banking, debit cards, Stripe, SAP, partner advances, and payroll, we run our own billing platform, and we lean on third-party partners for most of our fintech capabilities, so much of this is integration, orchestration, and tracking work. There is a lot to build here. You will consolidate and refactor a system built across many legacy integrations into something clean, reliable, and fast, and you will spend a lot of time directly with customers.
What You'll Do
- Build alongside a dedicated payments team: consolidate and refactor a payments system assembled from many legacy system integrations
- Build and maintain integrations across banking, debit cards, Stripe, SAP, partner advances, payroll, and our billing platform
- Own the orchestration and tracking/reconciliation layer across our third-party fintech partners
- Design for correctness first, because money movement demands it
- Work directly with customers to understand real-world failure modes and edge cases
- Partner daily with product to build, ship, measure, and iterate
- Build within the laws and regulations governing payments and financial services Who You Are
- Senior engineer with a strong payments background and real experience building payment systems and integrations (fintech a plus)
- Exceptionally high attention to detail; strong finance background is a plus
- Excited to be close to the build and close to customers
- Likes working on a small team and moving fast; bias toward action
- Comfortable with the regulatory landscape around payments, banking, and cards
- Uses AI tools and figures things out independently Compensation & Benefits
- Base salary: Competitive market rate
- Equity: Significant, meaningful ownership
- Full health coverage
- Wellness stipend (gym and office)
- Travel stipend for certain circumstances Application Apply with your resume and a short note on the most complex payments or integration system you have built.
This is a full-commitment, full-ownership role, based in our San Francisco office. You will work very closely with the CEO, in office five to six days a week.
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