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.• Recognized SME and TAM for Samsung SmartCall, leading teams in cost reduction, service expansion in the APAC region, issue and release management, and product analysis.• Documented and communicated OKR-driven weekly/quarterly status reports to associated stakeholders, including executives and leadership, aligning progress with strategic goals. • Utilized quantitative data analytics skills to monitor user activity, AWS region stability, user impact, and seasonal retention and growth.• Collaborated with cross-functional teams to establish new standardized processes for Hiya SDK and REST API integration globally, increasing scalability and efficiency of project delivery.• Built Databricks notebooks and Periscope dashboards using SQL, Python, and Data Visualization, increasing productivity of SDMs and TAMs maintaining and monitoring the delivered solutions.

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 Assurance Engineer for Samsung Electronics America• 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.

Bachelor'S Degree, Mathematics

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