Abraham Ruvalcaba

QA Engineer with 4+ years of experience in manual software testing, ETL testing, API testing, and test case design across mobile, web, and desktop platforms. Proven track record of ensuring data integrity and seamless integration through SQL validation, ETL pipeline testing, and SCRUM-based workflows. Experienced with Jira, Postman, SoapUI, and cross-functional team collaboration to deliver high-quality software products.

Testing Engineering Analyst - NTT DATA

(2025-09)

• Tested and validated REST and SOAP web services using Postman and SoapUI, ensuring correct request/response behavior and API integrations.
• Performed database validation by querying PostgreSQL tables and verifying data consistency after stored procedure changes.
• Designed, documented, and executed test cases (TCs) based on user stories and acceptance criteria in Jira, aligned with business requirements.
• Reported and tracked defects in Jira, ensuring clear communication and follow-up with development teams until resolution.
• Prepared formal test case approval documentation and status reports for Product Owners (POs).
• Actively participated in daily SCRUM stand-up meetings, reporting completed tasks, blockers, and upcoming work.
• Ensured quality assurance coverage across multiple project phases, contributing to process improvements and reliable deliverables.

Junior Software Testing Engineer - EPAM Systems

(2025-01 - 2025-09)

• Understood data integration requirements and ETL pipeline workflows by collaborating with business analysts, data engineers, and stakeholders.
• Analyzed source-to-target mapping (STM) documents to understand transformation logic and data flow between systems.
• Designed test strategies, test plans, and test cases for ETL processes based on functional and technical requirements.
• Verified data extraction from source systems including Microsoft SQL Server databases, Amazon S3 buckets, and Toad Data Point.
• Created and executed SQL data validation scripts to ensure accuracy and completeness of transformed data.
• Collaborated with cross-functional teams including data engineers, BI teams, product owners, and business analysts.

QA Tester Junior / QA Lead - HCL Technologies

(2022-06 - 2024-07)

• Executed detailed test plans across multiple platforms: Android, iOS, and Web applications.
• Performed regression, sanity, smoke, UAT, and exploratory testing to ensure product quality and stability.
• Conducted new feature testing per test plans and reported defects with detailed evidence and reproduction steps.
• Performed ad-hoc and exploratory testing to identify edge cases and improve user experience.
• Communicated test plan gaps to QA leads, developers, and project managers.
• Used ADB (Android Debug Bridge) commands for Android device testing and debugging.
• Conducted API testing using Postman and executed basic SQL queries for backend validation.

QA Software Manual Tester / Technology Assistant - QA Minds Lab

(2022-01 - 2022-04)

• Performed functional, non-functional, structural, integration, system, and acceptance testing.
• Participated as manual tester for an internal e-commerce platform, executing functional test cases.
• Developed test plans documenting all test cases including happy path and negative scenarios.
• Applied practical knowledge of bug reporting, test planning, SDLC, and defect life cycle management.
• Gained foundational experience in diagramming, test documentation, and test process standards.

Computer Engineering - Ingeniería en Sistemas Computacionales - UTEG Campus Tecnológico Olímpica (2016 - 2020)

QA Software Tester Certification - QA Minds Lab (2022-01 - 2022-04)