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Senior Backend Engineer - Payments

MaxanaUnited States🇺🇸United StatesPosted 27 Feb 2026

Why This Role Stands Out

As a Senior Backend Engineer on this high-impact payment modernization project, you'll have significant technical ownership and executive visibility while building critical payment orchestration systems. This remote role is ideal for experienced backend engineers with deep payments domain knowledge who thrive on solving complex challenges in a flexible, long-term engagement. You'll gain invaluable experience in a rapidly growing fintech space with competitive compensation.

Quick Overview

Seniority
Mid Senior
Work mode
Remote
Location
United States
Posted
6 months ago
Node.jsJavaPythonREST

Job 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

  • 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
  • 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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