Senior Backend Engineer - Payments

Maxana; Colombia; A distancia; COP 321.504.000 - 551.150.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

High-Impact Architecture Project

Executive Visibility

Flexible Remote Structure

Clear Scope, Clear Timeline

Long-Term Engagement

Technical Ownership

Descripción de la vacante

Maxana is seeking a senior backend engineer to lead a payment modernization effort. You will work under the CTO to build and integrate payment orchestration systems and direct PSP connections for a high-growth digital commerce platform.

The role focuses on API integrations, routing logic, tokenization, and subscription billing, with a strong emphasis on resilience, observability, and robust error handling in a remote setup.

Formación

• 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

Responsabilidades

• 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

Conocimientos

6+ years backend experience

Herramientas

Node.js

Java

Python

Go

REST API

Webhook processing

Descripción del empleo

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