
Senior Test Engineer (Revenue & Financial Data Platform)
Sigma Software2 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
Categories
About Sigma Software
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.