Changgyu Bak
엔지니어 at spreading scent company
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolChanggyu Bak is a systems-focused engineer and CTO-minded technologist with over 15 years of experience and nine years of hands-on industry work across Samsung, Cadence, Align Technology, and startups in Seoul. He has deep embedded and platform expertise—highlighted by substantial contributions to Samsung’s TizenFX (C# device APIs), where he improved widget APIs, RPC port handling, and race-condition fixes that strengthened inter-process communication. At senior and principal levels he has driven complex software for semiconductor and consumer electronics teams, bridging low-level systems design with product-facing features. Currently building at a growing scent startup, he blends research rigor from doctoral studies in electronic engineering with pragmatic delivery in production systems. Known for tackling subtle concurrency and IPC issues, he brings both architectural vision and the hands-on ability to ship resilient platform code. Fluent in Korean and grounded in Seoul’s tech ecosystem, he pairs deep platform-level craftsmanship with CTO-style strategic thinking.
9 years of coding experience
11 years of employment as a software developer
박사, 전자공학, 박사, 전자공학 at Ajou University(아주대학교)
Github Skills (10)
tfx10
net10
asp-net10
dotnet10
rpc10
api10
csharp10
tizen10
apidoc10
dotnet-core10
Programming languages (4)
Github contributions (5)
Samsung/TizenFX
Feb 2021 - Jan 2023
C# Device APIs for Tizen
Role in this project:
Back-end Developer
Back-end DeveloperContributions:37 reviews, 12 commits, 39 PRs in 1 year 11 months
Contributions summary:Changgyu primarily focused on developing APIs and core functionalities within the TizenFX framework. Their contributions included implementing new features for widget components, such as the WidgetComponent API. They worked on integrating RPC port functionalities, including the addition of ParcelHeader APIs, the ability to disconnect ports, and handling of timestamps, all of which enhanced the communication capabilities of the framework. The user also addressed a race condition issue and added new methods for AppControl, demonstrating a strong understanding of internal application mechanics.
dotnetc-sharpcsharptizenfxdevice-apis
upple/BOJ
Apr 2018 - Aug 2018
Contributions:31 commits, 37 pushes, 2 branches in 4 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.