Joonhyuk Ryu

System Performance Engineering in Connected Car Infotainment system (Daimler NTG7, BMW IUK-RAM, Audi HCP3,.Toyota M) Low level Performance tool development for Embedded OS, Automobile Platform Resource monitoring and Analysis (Tracing, IO, CPU, MEM) System Profiling and Architecture for Low level Performance Quality and Security Enhancement (Crypto, Secure coding, Anti-Reverse) for Infotainment System

Development for Low-level System Security and Secure Middleware - ARM TrustZone development in mobile/television/CE platform - Trusted User Interface Framework (Trusted UI : https://developer.samsung.com/tech-insights/knox/platform-security) - APIs and JavaScript PlugIn for Web Applications on Smart Television - Security DevOps for 3rd party with Open source Tizen - Fundamental Penetration Test and Hacking (Reversing, Web hacking)

Software Quality Engineering for Smart TV Flagship Launching - Quality Engineering Leader with 8 testers Team management. - Verification and Validation Activities including Quality strategy, Testing design, Requirement specification, Inspection, Code review, Audit, Defect analyzing, Quality process deployment, Test automation, Final authorization and also white box & black box testing

Development Skype TV (world wide release), Real-time Video communication on embedded smart TV platform in C++ OOP My own development Features : - Network communication and Control - Over-The-Network F/W Update - Multimedia, Browser, UI and User eXperience for Messenger and Setting - Security (Anomaly detection, Data Integrity, Crypto, Secure Connection, Client Authentication, Payment)

Standardization, Connectivity Protocol, MAC(medium access control), Wireless communication, Network Protocol Simulator, Video Streaming Application, Embedded Linux , MFC, Unix, Performance Evaluation

Embedded System, Performance Evaluation, IPTV

Computer Network, Software Engineering