Job Title: Senior Backend Engineer - Payments

Company Name: Maxana

Job Url: https://apply.workable.com/maxana/j/9EFCA28551/?jr_id=69a21f62b600907a96286b9f

Job Description: Maxana
Senior Backend Engineer - Payments
Remote

United States
Brazil
Argentina
Costa Rica
Colombia
OVERVIEW
APPLICATION
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
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