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Maxana

Lead Engineer, Payment Architect

Remote
API REST
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Description

Lead Engineer / Payment Architect

Location: United States, Brazil, Argentina, Costa Rica, Colombia

Workplace: remote

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.

This role will architect and lead integration efforts involving:

  • Payment gateway orchestration
  • Tokenization strategy
  • Direct PSP integrations
  • Subscription billing logic
  • Checkout modernization without disruption

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

What You’ll Do

  • Architect and lead end-to-end payment orchestration strategy
  • Design multi-PSP routing logic and failover systems
  • Lead integration from gateway abstraction to direct acquirer connections
  • Oversee token migration and vault strategy
  • Ensure PCI-compliant design and security best practices
  • Guide backend and DevOps engineers through execution

What Success Looks Like

  • Clean abstraction layer across PSPs
  • Reduced payment friction
  • Improved authorization rates
  • Modernized checkout infrastructure

Requirements

  • 8+ years backend engineering experience
  • 4+ years in payments infrastructure
  • Strong knowledge of:
    • REST APIs
    • Webhooks
    • Tokenization
    • Recurring billing logic
    • Card-not-present flows
  • Experience integrating PSPs (e.g., Worldpay, Checkout.com, Adyen, Stripe, etc.)
  • Experience designing high-availability systems

Ideal (Not Required)

  • Gr4vy integration exposure
  • Subscription/SaaS billing systems
  • Gateway-to-direct processor migration projects

Benefits

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

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