Joseline

QA Tester & Mobile App Tester

CROWNJAM • Fulltime

Jan 2026 - Present • 9 mos

Tested web and mobile applications to identify functional, usability, compatibility, and performance issues before release. Created test scenarios and test cases, executed regression and smoke testing, and documented defects for development teams. Performed cross-device testing across Android, iOS, desktop, and tablet environments. Collaborated with developers and project managers to reproduce bugs, verify fixes, and improve overall product quality and user experience.

Software Tester / QA Engineer

Teknovation • Fulltime

Jan 2025 - Dec 2025 • 11 mos

Executed manual and automated testing for software applications, creating detailed test cases based on functional and technical requirements. Performed functional, regression, usability, integration, and exploratory testing while identifying and reporting defects with clear reproduction steps. Worked closely with developers and product teams within an Agile/Scrum environment to improve application quality. Supported automated testing using Selenium and helped validate application functionality across different environments.

QA & Automation Engineer

RenMo • Fulltime

Nov 2023 - Jul 2024 • 8 mos

Performed manual and automated testing for web and mobile applications, focusing on functional, regression, integration, API, and end-to-end testing. Designed and maintained automated test cases, identified and documented software defects, and collaborated with developers to resolve issues before deployment. Tested REST APIs and database integrations while contributing to CI/CD testing workflows. Improved test coverage, reduced repetitive manual testing, and helped ensure reliable software releases across multiple application features.