Sigma Software

Senior Test Engineer (Revenue & Financial Data Platform)

Sigma Software
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2 hours ago
Remote, Brazil or São Paulo, BrazilSenior

Responsibilities

  • Perform comprehensive manual testing of new features, enhancements, bug fixes, and production releases.
  • Validate revenue calculations, financial formulas, business logic, and data accuracy.
  • Investigate financial data discrepancies by analyzing application behavior, database records, and API responses.
  • Execute regression testing, verify bug fixes, and provide timely feedback to engineering teams.
  • Create and maintain detailed test cases, test scenarios, and defect reports.
  • Collaborate with Product Managers and Software Engineers throughout the development lifecycle.
  • Identify risks, drive quality independently during sprints, and contribute to QA process improvements.
  • Support future test automation initiatives.

Requirements

  • 5+ years of experience in manual quality assurance.
  • Solid experience with SQL for database validation.
  • Experience testing REST APIs using Postman.
  • Experience validating complex business logic, calculations, or financial data.
  • Strong analytical, investigative, problem-solving, communication, and attention-to-detail skills.
  • Ability to investigate issues beyond standard test execution and distinguish expected from incorrect system behavior.
  • Experience working independently in a remote environment and with Agile Scrum teams.
  • Upper-Intermediate level of English.
  • Preferred: experience with Playwright test automation and TypeScript.
  • Preferred: familiarity with PostHog, Sentry, and Datadog.
  • Preferred: experience working with financial or accounting systems.

Benefits

  • Remote-friendly work opportunity.
  • Opportunity to work on a high-impact financial platform and influence quality processes.
  • Collaborative engineering culture focused on precision and continuous improvement.

Tech Stack

DatadogPostmanSQLTypeScript

Categories

Sigma Software

About Sigma Software

1,001-5,000 employees

Sigma Software is a London-headquartered, privately held IT consultancy that designs and builds custom software for startups and enterprises. The company provides end-to-end services—engineering, web and mobile development, .NET/Java platforms, AR/VR, and UI/UX—delivered via outsourcing, managed teams, and consulting. Founded in 2002, it supports long-term product development and modernization projects across multiple industries for global clients.

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