QA Test Engineer – Payments & FX, AI-Driven Automation

Marex; Singapore; On-site; SGD 65,000 - 100,000; Full time

Job summary

Marex in Singapore is seeking a QA Test Engineer – Payments & FX to ensure quality of domestic and cross-border payment and FX workflows. The role combines manual testing with automation, focusing on SWIFT, ISO 20022 and AI-assisted test automation.

You will collaborate with engineering and business teams, bringing 3–5 years of QA/testing experience and strong payments domain knowledge to drive defects to resolution.

Qualifications

• 3–5 years of QA/testing experience across manual and automated testing.
• Strong payments domain experience, especially cross-border/international and FX payments.
• Experience with automation frameworks such as Playwright, Selenium, Cypress or Cucumber.
• Exposure to AI-assisted testing or agent-based automation tools.
• Programming/scripting skills in Java, Python, JavaScript or TypeScript.

Responsibilities

• Perform end-to-end testing of domestic and cross-border payments, including initiation, validation, routing, settlement, reconciliation, returns and exceptions.
• Validate SWIFT MT/MX and ISO 20022 messages, formats, mappings and business rules.
• Test FX and foreign-currency payment workflows, including rates, conversions, fees and value dates.
• Develop test scenarios, test data and automated regression suites.
• Design and maintain automated tests for APIs, UI and backend services using modern frameworks.
• Leverage AI-assisted testing tools and agent-based automation to accelerate test generation and maintenance.

Skills

QA/testing experience

Payments domain experience

REST API testing

Automation frameworks

Programming (Java, Python, JS, TS)

AWS & CI/CD

Jira/Azure DevOps

Tools

Playwright

Selenium

Cypress

Cucumber

AI-assisted testing tools

Job description

Marex in Singapore is seeking a QA Test Engineer – Payments & FX to ensure quality of domestic and cross-border payment and FX workflows. The role combines manual testing with automation, focusing on SWIFT, ISO 20022 and AI-assisted test automation.

You will collaborate with engineering and business teams, bringing 3–5 years of QA/testing experience and strong payments domain knowledge to drive defects to resolution.