Chol Yoon Email & Phone Number

Seattle, Washington, United States

Seattle, Washington, United States

• Delivered end-to-end Canadian REST API integration with Rogers Communication network and Hiya’s CAC AWS region on time, generating significant revenue and reaching 13M users.
• Orchestrated project schedule, defining scopes, milestones, critical paths and quantitative measures, collaborating with Solution Architect, Engineering Leads, and Engineers to meet project OKRs.
• Managed critical milestones such as deployment of a new AWS region (CAC), service connection (VPN), data validation, resource optimization, and establishing pre- and post-launch processes.
• Completed 3 on-device Hiya’s SDK integration with Gabb Wireless collaborating with Samsung, ZTE, and Gabb Wireless TPMs in 2 years within 3 years for each project within a deadline of less than 3 months.
• Led exceptional cross-functional partnership, collaborating with internal and external PMs, TPMs, and Engineers, analyzing high-severity risks, clearing roadblocks, and ensuring successful execution.
• Launched Gabb Wireless projects, generating $35,000 MRR and achieving 40% user growth from 90K to 130K users over two years.

Seattle, Washington, United States

• Expert in client and Hiya SLAs, flawlessly complying with complex requirements such as leading QBRs with leadership, RCA reporting, conflict management, feature expansion, and business data analysis.

Bellevue, Washington

• Collaborated with LG TPM, the launch of 3+ BYOD products for AT&T/Cricket, overseeing end-to-end project deliverables including hardware/software specifications, test results, release notes, and binaries.
• Managed AT&T and Cricket accounts for LG’s handheld products maintenance, ranging from mid-range to flagship devices, utilizing SDLC and Agile/Waterfall methodologies in collaboration with PMs and R&D.
• Acted as SME for the Real-Time Text feature for LG’s handheld products, leading pre- and post-validation of UX/UI and functionality requirements, verification of use cases, and resolution of reported issues.

Bellevue, WA

• Resolved conflicts between hardware specifications of buyer and vendor relationships, facilitating negotiation processes by suggesting alternative approaches based on detailed requirement reviews.
• Provided detailed guidance and project management expertise to ensure successful agreement.

Bellevue, WA

• Mentored a team of 5 QA Engineers, providing extensive training on QA processes, execution of manual and automated tests, and detailed issue and result reporting.
• Executed over 300 test cases for wireless features including WiFi-Calling, Video and VoIP, and IPME on Android devices for Samsung, ZTE, Motorola, and Huawei, ensuring compliance with AT&T requirements.
• Utilized industry-leading equipment (Rohde and Schwarz, Keysight, Anritsu) to enhance testing efficiency, productivity, improve turnaround time to meet tight deadlines set by OEMs and internal TPMs.

Redmond, Washington

• Reconfiguring system settings of the testing systems according to the test requirement to properly manipulate network simulation of the device through the system
• Verifying the purpose of test case and the actual script scenario to ensure the script runs as the requirements.

Belleveu, WA

• Improved testing efficiency by 50%, significantly reducing turnaround time through effective assigned task management and process optimization.
• Collaborated with a team of 5 engineers to validate 300+ test cases for AT&T’s compliance on Samsung software, using both process automation and manual methods to meet tight deadlines.Participated Projects as a Quality.
• Strategic Project Team of Hero (Galaxy S7/S7 Edge)
• Strategic Project Team of Grace (Galaxy Note 7)
• Strategic Project Team of Dream (Galaxy S8/S8 Plus

Master'S Degree, Data Analytics From College Of Information Technology

• Summarize data, review statistical models, explore data mining techniques, and contemplate ethical considerations associated with the.

Bachelor'S Degree, Mathematics

• Understanding advanced mathematical approach to real-life application • Knowledge of multiple mathematical theories • Understanding.