Payments Backend Engineer — Tokenization & PCI DSS

Resolv Global

Perímetro Urbano Barranquilla

Presencial

COP 56.675.000 - 63.759.000

A tiempo parcial

Hace 4 días
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Descripción de la vacante

Resolv Global is seeking a Backend Engineer specializing in payment infrastructure in Barranquilla to build secure, multi-tenant payment orchestration.

You will design tokenization, vaulting, and gateway integrations, with Node.js/TypeScript, PostgreSQL, and PCI DSS focus.

This independent contract role is on-site in Barranquilla and requires strong security practices and experience with payment systems.

Formación

  • 1+ years of professional backend engineering experience.
  • Strong hands-on experience with Node.js and TypeScript.
  • Practical experience working with payment systems, payment gateways, tokenization, or payment vault infrastructure.
  • Strong understanding of PCI DSS, CDE, tokenization, PCI scope reduction, and secure handling of payment data.
  • Strong PostgreSQL experience.
  • Experience developing and maintaining REST APIs.
  • Experience integrating third-party APIs and services.
  • Experience managing credentials, API keys, secrets, and sensitive data securely.
  • Understanding of multi-tenant architectures and data isolation.
  • Experience with AWS and Docker.
  • Experience with secrets management and secure application configuration.
  • Understanding of idempotency, webhooks, retries, transaction states, and payment lifecycles.
  • Knowledge of authentication, authorization, encryption, and secure software development practices.
  • Ability to work independently and take ownership of backend systems.

Responsabilidades

  • Design and implement payment vault and tokenization integrations.
  • Build secure workflows for collecting payment methods, tokenizing, and processing.
  • Develop and maintain infrastructure for merchants, gateway accounts, credentials, payment methods, and transactions.
  • Integrate and manage multiple merchant configurations with payment gateways.
  • Work with payment gateway integrations, including NMI.
  • Support secure payment method usage and routing across authorized merchants.
  • Design and maintain REST APIs and PostgreSQL data models.
  • Build backend services supporting merchants, payment methods, tokens, gateway configurations, and transaction lifecycles.
  • Implement secure management of API keys, gateway credentials, secrets, and other sensitive information.
  • Ensure sensitive payment information is properly protected across databases, logs, monitoring, and application infrastructure.
  • Design systems with PCI DSS scope reduction and Cardholder Data Environment (CDE) security in mind.
  • Implement reliable payment workflows using idempotency, webhooks, transaction state management, retries, and failure recovery.
  • Troubleshoot complex backend and payment integration issues.
  • Contribute to scalable, secure, and maintainable backend architecture.

Conocimientos

Node.js
TypeScript
PostgreSQL
REST APIs
AWS
Docker
Secrets management
Multi-tenant

Herramientas

NMI

Descripción del empleo

Resolv Global is seeking a Backend Engineer specializing in payment infrastructure in Barranquilla to build secure, multi-tenant payment orchestration.

You will design tokenization, vaulting, and gateway integrations, with Node.js/TypeScript, PostgreSQL, and PCI DSS focus.

This independent contract role is on-site in Barranquilla and requires strong security practices and experience with payment systems.

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