•Test Planning and Execution- Developed comprehensive test plans based on project requirements and specifications.- Executed test cases to identify software defects, ensuring product functionality and meeting quality standards.•Automation Testing- Designed and implemented automated test scripts to enhance testing efficiency and reduce manual effort.- Utilized testing frameworks and tools to automate repetitive and time-consuming test processes.•Log Analysis & Network Performance Evaluation- Collected and analyzed logs using tools such as QXDM, Shannon, ETL, and XCAL to evaluate User Equipment (UE) performance under various network conditions. - Identified key issues and provided insights for network optimization and UE behavior improvement.•Defect Tracking and Reporting- Documented and tracked software defects using defect tracking tools, ensuring visibility and accountability.- Generated detailed defect reports and collaborated with the development team to drive timely resolutions.•Collaboration- Worked closely with R&D teams to address ongoing issues and ensured timely resolution through effective follow-ups.- Collaborated with the Technical Product Management team to support network configuration and troubleshooting.•Documentation- Created and maintained detailed test documentation, including test cases, test scripts, and test reports.- Ensured thorough documentation of testing processes and results for future reference and knowledge sharing.•Resource Management- Supervised and trained field testing resources, ensuring optimal performance and adherence to schedules.- Managed test resource allocation, assigning daily and weekly workloads, and ensuring proper testing coverage.

• Contributed to the launch of more than 20 models included Galaxy S21 and Galaxy Fold.• Analyzed and determined software issues related to the systems and networks.• Reviewed and modified test plans for future software testing.• Reviewed and defined new or improved test scope/process for Quality Assurance.• Provided software issue/defect troubleshooting with R&D team and follow up.• Performed 3G, 4G, 5G wireless network test cases/scripts and verify Software stability & capture log data using certain tools (Sub6/mmWave, Carrier Aggregation, MIMO, ULCA, Regression test, KPI test, Data Throughput test, Automated testing, T-Mobile LAB testing)• Trained new team members.

• Managed the store and employees. Responsible for processing payroll.• Communicated with HQ (in LA) for merchandising and promotion needs in order to enhance sales.• Researched and analyzed local fashion trends and communicated with HQ for merchandising to lead trend.• Supervised, hired and trained employees.

• Sold premium sneakers from the US to South Korea (B2C).• Operated Facebook group for marketing, grew to 40,000 followers in 2015.• Managed SNS Marketing with Facebook, Website, Instagram, and provided customer service.

• Utilized SNS Marketing (Henkel Twitter, Allianz Facebook etc.)• Communicated with clients for future events.• Built up events as a team member and managed the release date.• Tested event apps and fixed issues before launching.