Payment Systems QA Engineer & Test Automation

RS2; Buenos Aires; Presencial; ARS 1.000.000 - 1.500.000; Jornada completa

Descripción de la vacante

RS2 offers secure payment services, payment software and managed services to clients in over 35 countries. The company upholds the highest industry standards and RS2’s in‑house designed payments solution is the software of choice by many of the world’s leading and most innovative banks and financial institutions.

We are looking for a highly analytical QA Engineer to ensure the quality and reliability of our complex systems, designing test strategies, writing automated test scripts, and

Formación

• 2–4 years of QA experience or a combination of QA and software development testing complex systems and APIs.
• Experience testing complex processing pipelines and parsing deeply nested JSON/XML data or raw text blocks.
• Strong SQL skills for data verification (checking database tables, transaction records, or system states).
• Proficiency with Linux command-line tools for server navigation, log analysis, and troubleshooting test environments.
• Knowledge of ISO 8583 is a plus; formal training will be provided.
• Experience with CI/CD pipelines and related tooling (Jenkins, GitHub Actions, GitLab).

Responsabilidades

• Design, write, and execute robust automated test scripts to validate system functionalities and API integrations.
• Develop a deep understanding of OLTP architectures and the data flows between terminals, acquirers, issuers, and card networks.
• Analyze messaging payloads and validate ISO 8583 fields, MTIs, and data bitmaps.
• Gain hands-on experience with open-source libraries like jPOS and configure internal tools to simulate transactions.
• Perform deep-dive debugging by inspecting logs and payloads across test environments.
• Collaborate with core developers to isolate, reproduce, and debug complex issues discovered during testing.

Conocimientos

Quality Assurance

Test Automation

API Testing

SQL

Linux

JSON/XML Parsing

ISO 8583 knowledge

Herramientas

jPOS

Docker

GitLab

Jenkins

Git

CI/CD

Descripción del empleo

RS2 offers secure payment services, payment software and managed services to clients in over 35 countries. The company upholds the highest industry standards and RS2’s in‑house designed payments solution is the software of choice by many of the world’s leading and most innovative banks and financial institutions.

We are looking for a highly analytical QA Engineer to ensure the quality and reliability of our complex systems, designing test strategies, writing automated test scripts, and