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Senior Backend Engineer - Payments

Maxana Vereinigte Staaten Von Amerika · Remote

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Description

Location: Remote (U.S. overlap preferred)
Type: Contract (Full-Time Preferred)
Domain: Payments / Fintech / eCommerce Infrastructure

About the Project

We are leading a modernization initiative for a high-growth digital commerce platform focused on payment orchestration, gateway optimization, and API-driven architecture.

Experience with orchestration platforms such as Gr4vy, Stripe, etc. is highly desirable, but not required. Deep payments experience is mandatory.

About the Role

We are seeking a senior backend engineer to support a payment modernization initiative. You will work directly under the CTO to build and integrate payment orchestration systems and direct PSP connections.

Responsibilities

  • Build and maintain API integrations with multiple PSPs
  • Implement payment routing logic
  • Develop webhook handlers
  • Implement tokenization flows
  • Support subscription billing logic
  • Ensure resilience, observability, and clean error handling

Requirements

  • 6+ years backend experience
  • Strong in one or more:
    • Node.js
    • Java
    • Python
    • Go
  • Extensive REST API integration experience
  • Webhook processing experience
  • Payments domain experience required
  • Strong understanding of:
    • Auth/Capture flows
    • Refund logic
    • Chargeback lifecycle
    • Subscription billing

Benefits

  • High-Impact Architecture Project
  • Executive Visibility
  • Competitive Contract Compensation
  • Flexible Remote Structure
  • Clear Scope, Clear Timeline
  • Long-Term Engagement
  • Technical Ownership