Taekwan Chang Email & Phone Number

South Korea

Seongnam-Si, Gyeongi-Do, Korea

Product Manager of OS and OS related products. Responsible for managing all parts of the product lifecycle, from collecting requirements to launch. Set up release process. Collaborate on product-related core projects. - Led 10-person PM team, 20-person QA Dept to plan and construct processes to improve productivity and product quality. Built CI(Continuous Integration) System using Jenkins, Gitlab, Google-Test and etc, and set up branch policy. Test automation. Built R&D output knowledge management system. - Tracked progress of OS products development group (300+ person) and presented results to CTO of the company. - Performed UAT(User Accetptance Testing) of replacing Windows OS and MS Office with our OS and Office program for over 1000 people in the company before launch. Wrote switch/support plans. Established a process for collecting issues and improving products. - 2018, all 6 products of TmaxOS company launched and obtained GS(Good Software) certification. - Project Management : Establish and promote strategies related to product(particularly OS) business opportunities, worked with customers to define requirements and features. KoreaPost, Ministry of National Defense, and KT GiGA-PC. - Research and Development : Developed a compatibility layer for running MS Windows application on our OS, developed an OS Sound Framework, researched and developed a prototype of internal network separation on OS with jail/container technology. research on Linux/FreeBSD network kernel.

Guro-Gu, Seoul, Korea

- Enhanced performance of a ROM Writer and update Libraries on Windows/ARM Firmware - Manufactured and controlled quality of ROM Writers and socket adapters.