# Jaesung Yoo

> Software Engineer@Sk hynix America | MS Computer Science@SJSU

Location: San Jose, California, United States
Profile: https://flows.cv/jaesungyoo

Languages : C/C++, Python, Shellscript, x86, ARM
Environments: linux kernel, device driver, raspberry pi, arduino
Interests : linux kernel internals, system software, operating system, kernel, device driver, runtime, multithreading, memory management, concurrency, embedded system, memory, firmware, RTOS

## Work Experience
### Software Engineer @ SK hynix America
Jan 2024 – Present | San Jose, California, United States
RAS (Reliability, Availability, Serviceability) Management | AI Infrastructure Team
Designed and implemented a DRAM Fault Analyzer within the OpenBMC firmware environment, enabling parsing and persistent storage of CPER (Common Platform Error Record) logs.
Designed and optimized the memory logging mechanism in BMC firmware to ensure efficient storage and retrieval of diagnostic data, improving system performance and reliability under constrained memory and resource environments.
Conducted in-depth fault analysis and field studies across multiple memory technologies including HBM, DDR4, and DDR5, contributing to system-level RAS improvements in hyperscale data center environments.
Developed new adaptive scrubbing operation method for DRAM using the concepts of data poisoning and hardware/firmware level principles.
Developed a DRAM Fault Emulator to model and simulate various memory failure scenarios, significantly improving validation coverage.

### Graduate Researcher @ San Jose State University
Jan 2024 – Jan 2024 | San Jose, California, United States
Worked as Graduate Researcher in Mobile Ubiquitous Systems Information Center, CS Department, SJSU. 
Developed and optimized ML-enhanced routing algorithms including LCRA, integrating predictive models with traditional network protocols to improve efficiency in latency of satellite communication networks.
Utilized GNS3 for network simulation and Python ML libraries including scikit-learn, TensorFlow, and Pandas for implementing and evaluating regression-based path prediction models such as LSTM.
Analyzed large-scale NOAA geospatial datasets to extract patterns and insights of satellite movements, informing the design of more robust and adaptive routing strategies based on LCRA for dynamic space environments.

### Software Engineer Intern @ Intel Corporation
Jan 2022 – Jan 2023 | San Jose, California, United States
Worked as a full-time intern in the NCNG Network Switch Customer Engineering group.
Maintained and optimized features and performances for comprehensive test tools to measure and benchmark critical performance metrics for Tofino network switches including packet loss, throughput, and latency using React.js, Python, C++, P4, and shell scripting.
Enhanced overall switch testing accuracy with data manipulation and process optimization on switch output.
Collaborated with the team to address customer-reported issues and bugs, contributing to troubleshooting and resolution processes for network switch software and firmware.
Developed automatic Ticket Email Reminder application mainly using Selenium web driver and Python Flask.
Implemented SDE version updater system using Python and shell script.

### Instructional Student Assistant @ San Jose State University
Jan 2022 – Jan 2023 | San Jose, California, United States
Fall 2022 (Sep - Dec), Spring 2023 (Jan - May)
Worked as a teaching assistant for Computer Game Design and Programming (CS134) course, composed of 30-40 students.
Helped students with programming labs, assignments, and projects.
Graded assignments, quizzes, labs, and exams.
Used C++ with OpenFrameworks library for implementation.
Provided active code reviews on students’ game and graphic algorithm implementations.
Held office hours to assist students in understanding algorithms and implementation details.

### Software Engineer Intern @ NeuroLeap Corp
Jan 2022 – Jan 2022 | San Jose, California, United States
Implemented frontend using Vue.js framework and graphs, charts, and plots using Python data engineering, and visualization libraries. Connected backend using Golang to access the PostgreSQL database.
Designed the dashboard page for specialists to view and analyze neural data collected from children.
Gained valuable experience in designing user-centric interfaces for specialized scientific applications, balancing complex data presentation with ease of use.

### Software Engineer @ Hanmaeum Life
Jan 2022 – Jan 2022 | South Korea
Developed a shopping website using HTML5, CSS, and JavaScript as frontend; PHP and MySQL as backend 
Allowed customers to pay online with their cards using payment system API.
Enhanced customer communication by implementing an SMS notification system using API integration, ensuring real-time transaction confirmations. 
Developed order tracking system for the admin to check the progress of customer order and delivery status.
Focused on security system for payment: verified if the information entered through the API is correct.
Responsible for database modeling and database management for storing client information.
Troubleshooted and debugged API errors by verifying HTTP protocol level communication.


## Education
### Master of Science - MS in Computer Science
San José State University

### Bachelor of Science - BS in Computer Science
San José State University


## Contact & Social
- LinkedIn: https://linkedin.com/in/jaesung-yoo
- GitHub: https://github.com/yoojsung

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Source: https://flows.cv/jaesungyoo
JSON Resume: https://flows.cv/jaesungyoo/resume.json
Last updated: 2026-04-11