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Wootak Ryu

Software Engineer

Hwaseong, Gyeonggi, South Korea5 yrs 5 mos experience

Key Highlights

  • Expert in 5nm and 4nm SoC development.
  • Proficient in timing, power, and signal integrity analysis.
  • Experienced in supporting global customers with complex issues.
Stackforce AI infers this person is a Semiconductor Engineering expert specializing in SoC development and analysis.

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Skills

Core Skills

Soc DevelopmentTiming Analysis

Other Skills

power analysissignal integrity analysisEDA toolsPPA optimizationlow-power architecture analysis4nm SoC developmentMobile AP development5nm technology4nm technologyproject managementcommunicationanalytical skills

About

As an engineer with extensive experience in 5nm and 4nm SoC development, I have performed timing, power, and signal integrity analysis using industry-standard EDA tools such as Design Compiler (DC), PrimeTime, Formality, VCLP, and SpyGlass. I have conducted signal, equivalence, and timing analysis across a wide range of IP blocks, including USB 1.0/2.0, PCIe 4.0, Custom IP, and LPDDR5. My expertise also includes SI/PI integrity verification, PPA optimization, and low-power architecture analysis using UPF for multi-voltage designs. As a Synopsys Prime Series (PrimeTime / PrimeShield) PAE, I supported global customers(Samsung/ARM/QCOM/Google/ETC) by diagnosing complex timing and reliability issues, optimizing analysis environments, and ensuring spice-accurate results. With end-to-end experience across design, verification, and analysis, I am capable of supporting high-quality ASIC development. Tools: Experienced with 3D-IC, PrimeClock (jitter), HS/HG, VSA, SMVA, PT2SPICE and various Prime* advanced analysis features for timing, reliability, and variability signoff. Hands-on experience with DC/DCG/DC-NXT, Formality, VCLP, SpyGlass, ICC2, and Fusion Compiler (FC) across synthesis, equivalence checking, and physical/constraint verification flows. Scripting: Proficient in TCL, sed, csh, bash, and awk, with extensive experience in flow automation, data-driven debugging, and large-scale report processing.

Experience

5 yrs 5 mos
Total Experience
2 yrs 11 mos
Average Tenure
2 yrs 6 mos
Current Experience

Synopsys inc

3 roles

Staff Engineer

Promoted

May 2026Present · 1 mo

timing analysispower analysissignal integrity analysisEDA toolsPPA optimizationlow-power architecture analysis+1

Sr Engineer

Dec 2023May 2026 · 2 yrs 5 mos

Assistant Manager

Dec 2022Sep 2023 · 9 mos · 대한민국 경기도 용인 · Hybrid

  • 2022/12 ~ 2023/08 SAMSUNG Foundary 5G network - 4nm

노블디자인

3 roles

주임

Promoted

Oct 2019Sep 2022 · 2 yrs 11 mos

  • 2019/10 ~ 2020/08 SAMSUNG LSI Mobile AP development - 5nm
  • 2020/08 ~ 2021/02 SAMSUNG LSI Mobile AP development - 5nm
  • 2021/04 ~ 2021/08 SAMSUNG LSI Mobile AP development - 5nm
  • 2021/06 ~ 2022/02 SAMSUNG LSI Mobile AP development - 4nm
  • 2022/03 ~ 2022/08 SAMSUNG LSI Mobile AP development - 4nm
Mobile AP development5nm technology4nm technologySoC development

Assistant

Oct 2019Aug 2022 · 2 yrs 10 mos

Assistant

Oct 2019Aug 2022 · 2 yrs 10 mos

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