Secure Payments Backend Engineer: Tokenization & PCI DSS

Resolv Global; Perímetro Urbano Barranquilla; Presencial; COP 2.947.093.000 - 3.315.480.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

On-site in Barranquilla

Independent contract position

Descripción de la vacante

Resolv Global in Barranquilla, Colombia, seeks a Backend Engineer focused on payment infrastructure, tokenization, and secure transaction processing to join a technically focused team.

You will design vaults, tokenization flows, and REST APIs, ensuring PCI DSS alignment and robust data protection while building scalable multi-tenant architectures.

Expect collaboration with AWS, Docker, PostgreSQL, and other modern tech to deliver reliable backend services for merchants and payment gateways.

Formación

• 1+ years of professional backend engineering experience.
• Hands-on experience with Node.js and TypeScript.
• Practical experience with payment systems, gateways, tokenization, or 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 configuration.
• Knowledge of authentication, authorization, encryption, and secure software development practices.

Responsabilidades

• Design and implement payment vaults and tokenization integrations.
• Build secure workflows for collecting payment methods, tokenizing, and processing.
• Develop infrastructure for merchants, gateway accounts, credentials, payment methods, and transactions.
• Integrate and manage multiple merchant configurations with payment gateways.
• Work with 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 for merchants, payment methods, tokens, gateway configurations, and transaction lifecycles.
• Ensure secure management of API keys, gateway credentials, secrets, and other sensitive data.
• Protect payment information across databases, logs, and infrastructure.
• Design systems with PCI DSS scope reduction and CDE security in mind.
• Implement reliable payment workflows with idempotency, webhooks, retries, and state management.
• Troubleshoot complex backend and payment integration issues.
• Contribute to scalable, secure, and maintainable backend architecture.

Conocimientos

Node.js

TypeScript

REST APIs

PostgreSQL

AWS

Docker

Security best practices

PCI DSS

Herramientas

NMI

Payment vault

Tokenization services

KMS/Secrets

Descripción del empleo

Resolv Global in Barranquilla, Colombia, seeks a Backend Engineer focused on payment infrastructure, tokenization, and secure transaction processing to join a technically focused team.

You will design vaults, tokenization flows, and REST APIs, ensuring PCI DSS alignment and robust data protection while building scalable multi-tenant architectures.

Expect collaboration with AWS, Docker, PostgreSQL, and other modern tech to deliver reliable backend services for merchants and payment gateways.