Soomin Hwang
SYS.AUDITS // EN-USROOT > WORKFILTER: QUALITY
TOTAL_AUDITS:3
ENGINEERING DOSSIER

Engineered for Scale, Latency & Reliability

Production engineering case studies: frontend performance, WebGL/WASM visualization, and delivery pipelines — each documented with evidence you can reproduce.

3 case studies

Medical AI / Digital pathology
AUDIT #03

PATH Digital Pathology Platform: WSI Viewer and Pre-Delivery Security Checks

Building the viewer/interaction UI for a whole-slide-image (WSI) pathology platform on OpenSeadragon, and establishing an OWASP ZAP scan of the authentication flow before an on-premise hospital delivery.

Delivery
Internal staging onlyOn-premise hospital deploymentshipped
Pre-delivery security check
No procedureOWASP ZAP scan of the auth flowprocedure established
ReactTypeScriptJotaiReact Hook FormTanStack QueryOpenSeadragonOWASP ZAP
Read case study →SYS.STATUS: VERIFIED
Biotech / Antibody-drug conjugates (ADC)
AUDIT #04

ADC Visualization: 3D/2D Molecular Viewers on Next.js 16

Building 3D protein-structure and 2D chemical-structure viewers (Molstar + RDKit) for an antibody-drug-conjugate (ADC) data platform, and introducing a Claude Code-based workflow for generating Playwright E2E tests.

E2E test authoring
Hand-written specsClaude Code-assisted generationworkflow adopted
E2E standard
Cypress, set per productPlaywright conventions reused for AD3's 28-app migrationstandard set
ReactTypeScriptNext.js 16MolstarRDKitTailwind CSSPlaywrightClaude Code
Read case study →SYS.STATUS: VERIFIED
Platform engineering / DevSecOps
AUDIT #05

One Pipeline, Three Products: Standardizing CI/CD and Test Reporting

Moving the Jenkins pipeline definitions for three codebases into one central repository, converging their stage structure, and migrating E2E from Cypress to Playwright so 350 tests run automatically in CI.

Manual regression
~5 hours~1 hour−80%
E2E pipeline definition
314 lines (Cypress)151 lines (Playwright)−52%
JenkinsGroovy (Declarative Pipeline)DockerPlaywrightSnykSonarQubeOWASP ZAP
Read case study →SYS.STATUS: VERIFIED
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