Portfolio & Engineering Dossiers

Real Software.
Real Outcomes.

Explore detailed architectural case studies of production web apps, client-side media engines, and zero-trust platforms built and shipped by Cynthia Schomp.

🎯 For Agency Founders & Hiring Execs: Every card links to a full technical breakdown — the business problem, systems logic, hard constraints, and live proof of execution.
Snap Frame
PRODUCTION PWA Live App
Client-Side Media Engineering

Snap Frame

0x01

High-Precision In-Browser 4K Video Frame Extraction Engine

Engineered an instantaneous, client-side video frame extraction tool allowing agency video editors and creative directors to scrub and export full-res uncompressed PNG frames from 4K footage directly in the browser with 0ms upload lag and $0 server transcoding fees.

HTML5 Video APICanvas 2D Sub-PixelHardware Acceleration
SERVER UPLOAD TIME: 0ms (Local)
MAX FRAME RESOLUTION: Full 4K Raw
Grab
PRODUCTION PWA Live App
Media Ingestion & Microservices

Grab

0x02

Universal Multi-Platform Video Ingestion Engine & Mobile PWA

Built a private, high-availability media extraction engine for YouTube, TikTok, Instagram, and Facebook. Backed by self-hosted Cobalt and yt-dlp microservice clusters, Traefik v3 routing, and native mobile Web Share Target integration.

Docker SwarmTraefik v3Cobalt Microservice
INGESTION SUCCESS RATE: 99.9% Uptime
SUPPORTED PLATFORMS: All Major Networks
EQ VID
PRODUCTION PWA Live App
Browser Audio-Visual Synthesis

EQ VID

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Real-Time Audio-Reactive Motion Visualizer & Video Synthesis Studio

An in-browser procedural motion graphics studio that analyzes audio tracks (MP3/WAV/FLAC) in real-time and renders reactive equalizer videos for social reels with zero server GPU expenses.

Web Audio APIMediaStream RecordingHTML5 Canvas 2D
CLOUD GPU RENDER COST: $0 (Client GPU)
AUDIO ANALYSIS: Real-Time FFT
Scribe
PRODUCTION PWA Live App
Private On-Device Speech Intelligence

Scribe

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Zero-Leak On-Device Audio & Video Transcription Studio

Designed and deployed a privacy-first video and audio transcription PWA that transcribes recorded briefings, client strategy calls, and voice notes locally with zero cloud API token costs.

Web Speech APIWeb Audio DecodersIndexedDB Storage
DATA PRIVACY LEAKAGE: 0% (Local)
TRANSCRIPTION API COST: $0 / Hour
Surreal Asset Lab
PRODUCTION PWA Live App
Creative Automation & Visual AI

Surreal Asset Lab

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AI-Powered Surreal PNG Cutout Generator & Creative Asset Pipeline

An automated creative asset studio designed for digital agencies to generate transparent, production-ready surreal cutouts and graphic design elements for high-converting marketing campaigns.

AI Vision PipelineCanvas Alpha CompositorDocker
CUTOUT TURNAROUND: < 5 Seconds
ALPHA CHANNEL QUALITY: Sub-Pixel Clean
NMS Companion & Solar Fabricator
FLAGSHIP PWA Live App
High-Scale Interactive Architecture

NMS Companion & Solar Fabricator

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Large-Scale Algorithmic Interactive PWA with Offline Decoders & Bot Telemetry

A complex, offline-first web application featuring multi-variable crafting solvers, 3-ship recipe assemblers, 256-galaxy glyph decoders, and integrated Discord bot automation serving thousands of active users with 0 server lag.

React 19TypeScriptVite PWA
ACTIVE COMMUNITY: Thousands of Users
COLD START LCP: 1.2s Global
Secure My A$$
ENTERPRISE PLATFORM Live App
Zero-Trust Infrastructure & Edge Defense

Secure My A$$

0x07

Dynamic Host Cyber Defense & Edge Firewalling for Agency Fleet Protection

Zero-bloat edge security platform that monitors malicious brute-force swarms, synchronizes threat telemetry into MariaDB, and pushes dynamic /24 subnet blocks into Traefik v3 reverse proxy in under 50ms without downtime.

Traefik v3MariaDB TelemetryPython Host Engine
EDGE BAN PROPAGATION: < 50ms Dynamic
PHP CPU REDUCTION: 85% Less Overhead
Sentinel.STIX
AI PLATFORM
Enterprise AI & Threat Intelligence

Sentinel.STIX

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AI-Powered CTI Engine Transforming Unstructured Telemetry to STIX 2.1

Multi-agent LLM intelligence pipeline utilizing Gemini 3 Pro and Claude 3.5 Sonnet to ingest raw vulnerability advisories and automate rigorous STIX 2.1 object graph serialization.

Gemini 3 ProClaude 3.5 SonnetReact
ANALYSIS TIME: Seconds vs Hours
SCHEMA ADHERENCE: 100% STIX 2.1
Sims 4 Apocalypse Challenge Engine
FLAGSHIP ENGINE Live App
Complex State & Distributed Sync

Sims 4 Apocalypse Challenge Engine

0x09

Reactive Multi-Branch State Planner with Bidirectional Cloud Synchronization

Engineered a high-complexity progression state engine managing 93-career combinatorics, automatic relay boards, and zero-collision bidirectional synchronization between browser localStorage and a Redis-backed FastAPI backend.

FastAPI 0.109Redis (AOF)Python 3.11
STATE COMBINATIONS: 93 Careers & Packs
CLOUD PERSISTENCE: Redis AOF Logged
Discord Theater & WatchParty
PRODUCTION STREAMING Live App
Real-Time Multimedia & WebSockets

Discord Theater & WatchParty

0x010

Synchronized Multi-Client HLS Video Streaming & Discord Activity Cinema

Built a synchronized real-time cinema and watchparty platform embeddable directly inside Discord Activities, featuring sub-frame WebSockets playback coordination, HLS stream delivery, and Traefik edge reverse-proxy routing.

Node.jsExpressSocket.io
PLAYBACK DRIFT: < 50ms Multi-User
STREAM FORMAT: Adaptive HLS