Senior Software Engineer, Payments

We Love AI Jobs; San Francisco (CA); On-site; USD 160,000 - 230,000; Full time

Benefits offered by this job

Full health coverage

Equity

Wellness stipend

Travel stipend

Job summary

Wonderschool is seeking a Senior Software Engineer for Payments in San Francisco. You will own the payments platform, consolidating legacy integrations and building robust connections with banking, Stripe, SAP, payroll, and our billing system.

The role emphasizes customer collaboration and precise money movements in a fast-paced team. Expect close partnership with product, focus on correctness in payments, and a path to influence architecture across fintech integrations while working on-site in

Qualifications

• Senior engineer with a strong payments background and real experience building payment systems and integrations.
• Attention to detail and ability to work closely with customers and product teams.
• Comfortable with regulatory landscape around payments, banking, and cards.

Responsibilities

• Consolidate and refactor the payments system across legacy integrations.
• Build and maintain integrations with banking, cards, Stripe, SAP, payroll, and our billing platform.
• Own orchestration and reconciliation layer across third-party fintech partners.
• Design for correctness and work directly with customers to understand real-world failures.

Skills

Payment systems

Stripe

SAP

Banking integrations

Debit card integrations

Billing platforms

Payroll integrations

Payment reconciliation

Tools

Stripe

SAP

Job description

# Senior Software Engineer, PaymentsWonderschoolSan FranciscoFull-timeUpload your resume once and Scout applies for youApply with ScoutShare this job:LinkedInXSave imageYou’ll work on Wonderschool’s payments platform, consolidating legacy integrations and improving how money is moved, tracked, and reconciled. The role is part of a small payments team, involves close customer and product collaboration, and supports a platform processing at least $3 billion.* Permanent* On-site* Senior### Skills and expertisePayment systemsStripeSAPBanking integrationsDebit card integrationsBilling platformsPayroll integrationsPayment reconciliation### Key responsibilities* Consolidate and refactor the payments system across legacy integrations.* Build and maintain integrations with banking, cards, Stripe, SAP, payroll, and other partners.* Own orchestration and reconciliation across third-party fintech partners.## How this job comparesCompared with 1,635 open senior engineering jobs on October 10, 2026.Pay: This job does not publish its pay. The 719 open senior engineering jobs that publish US pay start at $164K a year on average.Similar open jobs: We Love AI Jobs lists 1,635 open senior engineering jobs at 344 companies.Remote work: This job is on site. 271 of the 1,635 senior engineering jobs (17%) are remote.AI in this role: Medium. The role uses AI tools and works with AI systems as a regular part of the job. AI is not central to this payments engineering role, but the posting says the engineer uses AI tools. That indicates regular use of AI tooling rather than building AI products.## Full descriptionSenior Software Engineer, PaymentsLocation: San Francisco (Rincon Hill)Company OverviewMission: 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 RoleOwn 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 servicesWho 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 independentlyCompensation & Benefits• Base salary: Competitive market rate• Equity: Significant, meaningful ownership• Full health coverage• Wellness stipend (gym and office)• Travel stipend for certain circumstancesApplicationApply 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.Upload your resume once and Scout applies for youApply with Scout