Jul 10, 2026

Backend Tester

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Job Description: • Collaborate with the team to analyze and define system and data requirements, identifying opportunities for improvement • Develop, maintain, and execute test cases for backend data changes, including ETL, database, and API testing • Validate data transformation logic, data movement, schema changes, and interface behavior across source and target systems • Design test approaches to ensure adequate coverage of backend changes and regression impact • Identify, document, and track defects, data inconsistencies, and integration issues through resolution • Create and maintain test data, test evidence, and supporting test documentation • Work closely with developers, data engineers, and analysts to ensure backend changes align with business and technical requirements • Verify data accuracy, completeness, consistency, and traceability across systems • Support testing of new functionality, enhancements, and production fixes within an Agile delivery environment • Participate in code and solution review discussions as needed to improve testability and quality • Understand operational and system views to inform testing priorities and risk areas • Contribute to continuous improvement of testing processes, methods, and documentation quality Requirements: • Bachelor’s degree in IT, Computer Science, or related field • Minimum 4 years of directly relevant industry experience • Proven experience as a backend tester, QA analyst, or similar testing role • Experience testing ETL processes, database changes, and APIs • Knowledge of testing methodologies and tools • Familiarity with SQL for backend validation • Strong documentation, analysis, and communication skills • Ability to support Agile team delivery and coordinate with distributed stakeholders • Strong knowledge of backend testing, including ETL, database, and API validation • Familiarity with testing methodologies, test design, and defect lifecycle management • Ability to analyze data flows and identify issues in backend processing and integrations • Understanding of SQL and database concepts for test validation • Ability to work in a cross-functional team • Strong problem-solving skills and attention to detail. • Excellent communication skills. • Experience supporting code modernization and refactoring efforts is a plus. Benefits: • SierTeK is an equal opportunity employer. • Employment is based on qualifications, merit, and business need.