Marex

QA Test Engineer (VN3277)

Marex
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5 hours ago
Singapore, SingaporeMid Level / Senior

Responsibilities

  • Perform end-to-end testing of domestic and cross-border payment workflows, including initiation, validation, routing, settlement, reconciliation, returns, rejects, and exception handling.
  • Validate SWIFT MT/MX and ISO 20022 message formats, mappings, transformations, and business rules.
  • Test FX and foreign-currency payment workflows, including exchange rates, conversions, fees, value dates, and settlement.
  • Conduct functional, integration, regression, exploratory, API, backend, and end-to-end testing.
  • Develop test scenarios, test cases, test data, automated regression suites, and testing utilities.
  • Design and maintain automated tests for APIs, user interfaces, and backend services using applicable automation frameworks.
  • Use AI-assisted testing tools and agentic automation for test generation, maintenance, failure analysis, defect triage, workflow validation, and adaptive automation.
  • Perform REST API testing, SQL/database validation, and backend service testing.
  • Integrate automated tests with CI/CD pipelines, including AWS CodePipeline and CodeBuild.
  • Use AWS services including S3, Lambda, DynamoDB, and CloudWatch for testing, validation, and troubleshooting.
  • Investigate defects across payment messages, APIs, logs, and databases and collaborate through resolution.
  • Comply with Marex, MAS, operational risk, Code of Conduct, and applicable regulatory requirements.

Requirements

  • 3–5 years of QA/testing experience across manual and automated testing.
  • Strong payments domain experience, particularly cross-border or international and FX payments, including knowledge of the end-to-end payment lifecycle, SWIFT MT/MX, and ISO 20022 messaging.
  • Strong REST API testing, SQL, and backend validation skills.
  • Experience with Playwright, Selenium, Cypress, Cucumber, or equivalent automation frameworks.
  • Exposure to AI-assisted testing, AI coding assistants, or agent-based automation tools.
  • Programming or scripting skills in Java, Python, JavaScript, or TypeScript.
  • Experience with AWS and CI/CD, including CodePipeline, CodeBuild, S3, and CloudWatch.
  • Experience with Jira, Azure DevOps, or similar test and defect management tools.
  • Strong analytical, troubleshooting, written communication, verbal communication, collaboration, and relationship-building skills.
  • Ability to work autonomously and collaboratively in a fast-paced, high-volume environment while taking responsibility for operational effectiveness and risk.

Tech Stack

Amazon DynamoDBAWSCucumberCypressJavaJavaScriptPythonSeleniumSQLTypeScript

Categories

Marex

About Marex

501-1,000 employees

Marex (Nasdaq: MRX) is a diversified financial services platform that provides liquidity, market access, and trading infrastructure across energy, commodities, and financial markets. Its businesses span clearing, agency and execution, market making, and hedging and investment solutions for producers, consumers, traders, banks, hedge funds, and asset managers. Headquartered in New York with 40+ offices and connectivity to about 60 exchanges, it operates globally as a public company.

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