Senior Backend Engineer - Payments

Company: Maxana
Location: United States
Type: remote
Posted: Aug 19, 2026
Views: 2

✨ AI Summary

maxana, a fintech and eCommerce infrastructure company, is hiring a Senior Backend Engineer for a payment modernization project. The role involves building payment orchestration systems and PSP integrations, with a tech stack of Node.js, Java, Python, or Go. Requires 6+ years of backend experience and deep payments domain knowledge (auth/capture, refunds, chargebacks, subscription billing). This is a remote contract role with U.S. overlap preferred, offering competitive compensation, executive visibility, and long-term engagement.

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
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About the Company

Name: Maxana

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