Juha Jeon
Hwaseong
Summary
Dynamic Nand Flash Logic Operation Test Engineer with a proven track record at Samsung Electronics. Expert in logic signal analysis and test automation, I developed a Python tool that streamlined waveform verification, enhancing efficiency. A strategic thinker with strong problem-solving skills, I bridge production and development, driving continuous improvement in test processes.
Overview
7
7
years of professional experience
Work History
Nand Flash Logic Operation Test Engineer
Samsung Electronics
Hwaseong, Republic Of Korea
08.2023 - Current
- Operated and supported test floor equipment (MUST32, Prober) for wafer-level NAND Flash logic verification.
- Independently developed a Python-based logic signal waveform analysis tool to identify root causes of z-address failures in customer logic scenarios, particularly in PIR Cache operations.
- Enabled in-depth analysis of logic signals up to 40 seconds long, automating detection of command misalignment and AC parameter pin timing issues. Tool is still actively used for high-volume waveform verification by internal teams.
- Contributed to NPI projects by validating early silicon and developing test strategies tailored to new product features.
- Automated test log parsing and failure pattern analysis, significantly reducing manual debug effort.
- Troubleshot hardware/software issues in both high-volume production and customer-specific application test environments.
- Bridged production and development phases by feeding back test floor insights into upstream verification improvements.
(Intern) Nand Flash Logic Operation Test Engineer
Samsung Electronics
Hwaseong, Republic Of Korea
06.2022 - 08.2025
- Conducted mass package validation for Nand Flash components, ensuring quality and functionality.
- Performed testing and verification of packaging integrity, identifying potential issues and assisting in resolution.
Project Manger / Founding Team Member
PnP
Seoul, Republic Of Korea
05.2021 - 07.2021
- Developed service strategy and customer journey framework to enhance user satisfaction and business viability.
- Conducted in-depth market research to identify customer needs, industry trends, and growth opportunities.
- Analyzed competitors’ business models and pricing strategies to refine the company’s value proposition.
- Took initiative in shaping early-stage operations as a founding member of the startup team.
Signaller / Squad Leader
Republic of Korea Army
Gapyeong, Republic Of Korea
06.2018 - 02.2020
- Managed tactical communication between units (company, battalion, regiment).
- Led a squad, overseeing equipment operation and troubleshooting.
- Trained and mentored squad members to ensure effective communication during operations.
Education
Bachelor of Science - Computer Science
Purdue University
West Lafayette, IN05.2023
Skills
- Logic signal analysis, Test automation, NAND flash testing, Wafer-level verification, Root cause analysis, Test log parsing
- Programming Languages : C, C, Python, Java React, HTML, CSS, bash, assembly, Linux
- Tools: Git, Docker, JMP, XINU, MongoDB, Reactjs, Must32, Prober
Languages
English
Korean
Websites
Timeline
Nand Flash Logic Operation Test Engineer
Samsung Electronics
08.2023 - Current
(Intern) Nand Flash Logic Operation Test Engineer
Samsung Electronics
06.2022 - 08.2025
Project Manger / Founding Team Member
PnP
05.2021 - 07.2021
Signaller / Squad Leader
Republic of Korea Army
06.2018 - 02.2020
Bachelor of Science - Computer Science
Purdue University
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