Platforms in the Network
Active products shipping under the Cobra umbrella across mobile, web, AI, and marketplaces. Each one built end to end.
Our Platforms
Swipe through the platforms in the Cobra ecosystem.
Engineering Capabilities
What we've shipped, solved, and scaled across every platform in the Cobra network.
Languages
JavaScript ES2024+
TypeScript
JSX / TSX
Python
HTML5
CSS3 / PostCSS
Markdown
Bash / Shell
AutoHotkey v2
JSON
YAML
Regex
Windows Batch
ES Modules / CommonJS
React Stack
React 19
React Router v7
React Hooks
Context API
Suspense & Streaming
React Portals
Custom Hook Architecture
onSnapshot Listeners
Custom Event Bus
Layout-level Auth Guards
Next.js & Server
Next.js 16
Next.js App Router
React Server Components
Server Actions
Edge Middleware
Route Groups
Express.js
UI Libraries & Icons
Tailwind CSS v4
Framer Motion
Lucide React
React Icons
tsParticles
Lottie Web
React CountUp
React Syntax Highlighter
React Markdown
remark-gfm
dnd-kit
@hello-pangea/dnd
UX Patterns & Motion
Drag & Drop Kanban
Responsive Design
Mobile-first UI
Dark Mode
Scroll Reveal
Route Transitions
Micro-interactions
Skeleton Loaders
Toast Notifications
Modal Systems
Accessibility (ARIA)
Real-time Form Validation
Print-to-PDF
CSS Custom Properties
Autocomplete / Mentions UI
Streaming Chat UI
AI Platform & SDKs
Claude API
Anthropic SDK
OpenAI SDK
Multi-provider AI
Provider Fallbacks
Streaming AI
Token Budget Management
AI Cost Tracking
Daily Budget Gates
Cross-Provider Routing
Agent Design & Prompting
AI Agent Design
Prompt Engineering
System Prompt Design
Context Engineering
Tool Use / Function Calling
Autonomous Agents
Multi-agent Orchestration
AI Daemons
AI Content Pipelines
AI Teaching Systems
AI Content Moderation
RAG Patterns
Persona Design
Dynamic System Prompts
Topic Generation Engines
Jaccard Similarity Dedup
Firebase Platform
Firebase
Firestore
Firestore Transactions
Firestore Batched Writes
Firestore Composite Indexes
Firebase Auth
Custom Claims
Firebase Hosting
Firebase App Hosting
Firebase Analytics
Firebase Realtime DB
Firebase Storage
Firebase Admin SDK
Firebase Secret Manager
Firebase App Check
Cloud & Serverless
Cloud Functions v2
Callable Functions
Google Cloud
Cloud Pub/Sub
Cloud Scheduler
Node.js 20
MongoDB / Atlas
Mongoose ODM
Serverless
REST APIs
Data Patterns & Access Control
Session Verification
CollectionGroup Queries
Sequential Content Gating
Tier Cascading Access
Field-level Write Scopes
Function-gated Writes
Subcollection Authorization
Timezone-aware Scheduling
Orphaned Doc Sweeps
Credential Fallback Chains
Soft Delete Windows
Data Anonymization
Data Processing
Recharts
Data Visualization
CSV / PapaParse
ETL Pipelines
Article Deduplication
Data Backfills
Weighted Search Scoring
Slug Normalization
Device Fingerprinting
Timezone-aware Formatting
External APIs
RSS Parsing
Wikipedia API
DuckDuckGo Search API
Unsplash API
Weather API
Stripe API
WebSockets (ws)
Server-Sent Events
OpenTelemetry
Content Syndication
Open Graph Scraping
News Aggregation
Maps & Geospatial
Google Maps
Geofire / Geohashing
Real-time Location
Geolocation API
Geofencing
Geocoding
Reverse Geocoding
Proximity Search
Radius Queries
Places Autocomplete
Map Clustering
Route Rendering
Privacy Geohash Offsets
Scoped Location Reads
Live ETA Calculation
Mobile Platform
Capacitor 8
iOS
Android
Xcode
Android Studio
Capacitor Camera
Capacitor Geolocation
Native Plugin Bridging
iOS Keyboard Avoidance
Push Notifications (FCM)
APNs
App Store & Delivery
App Store Connect
Google Play Console
TestFlight
Gradle
AAB Builds
IPA Builds
Keystore Signing
Provisioning Profiles
Deep Links
Universal Links
Multi-track Releases
Payments Core
Stripe
Stripe Checkout
Stripe Customer Portal
Stripe Elements
Payment Flows
Subscriptions
Webhook Handling
Webhook Signatures
Idempotency Keys
Refund Flows
Marketplace Payments
Stripe Connect Payouts
Instant Payouts
Stripe Manual Capture
Pre-auth Payment Holds
Commission Tiering
Payment Splitting
Partial Refunds
Gift Payments
Dispute Settlement
Access & Identity
Firestore Security Rules
Storage Security Rules
Content Security Policy
JWT Parsing
Service Account Auth
Role-Based Access Control
Secret Management
Code Signing
CORS Policies
Environment Secrets
Abuse & Moderation
Input Sanitization
HTML Sanitization
Spam Detection
Rate Limiting
Abuse Prevention
Prompt Injection Defense
Anti-spam Trust Scores
Shadowbanning
Moderation Queues
Admin Audit Trails
Appeal Workflows
File-type Allowlists
Webhook Event Deduplication
Browser & Automation
Puppeteer
Headless Chrome
Cheerio / DOM Parsing
Web Scraping
Electron
Electron Builder
Desktop App Packaging
IPC (Inter-Process Comms)
Deploy Orchestration
Click Recording
UI Automation
Windows Service Install
Background Daemons
One-click Deploys
PWA & Web Standards
Service Workers
Web App Manifest
Offline Support
IndexedDB
LocalStorage
Semantic HTML
SEO & Discoverability
SEO / React Helmet
Meta Tags
Canonical URLs
Open Graph / Social Cards
Twitter Cards
Structured Data / JSON-LD
Schema.org Markup
Dynamic Sitemaps
Robots.txt
Favicon Pipelines
SEO-friendly Slugs
Alt Text / Image SEO
Architecture Patterns
Monorepo / npm Workspaces
SSR / SSG (Next.js)
SPA (Vite)
Client / Admin / Functions Split
Two-sided Marketplaces
Admin Dashboards
Provider Abstraction Pattern
Shared Type Packages
Feature Flags
Multi-tenant
Job State Machines
Role-switching UX
Dual-write Sync Patterns
Outbox Pattern
Real-time & Event Systems
Real-time Matching
Event-driven
Pub / Sub Pattern
WebSocket Real-time
Firestore Triggers
Scheduled Functions (PubSub)
Tooling & DevOps
Vite
ESLint
Stylelint
TypeScript Compiler
TS Project References
Madge
PostCSS
Firebase Emulators
Firebase CLI
Gradle / Gradlew
Git
GitHub
Dotenv Management
Node Scripting
Dry Run Modes
CI / CD Patterns
Semantic Versioning
Environment Management
Deployment Automation
Healthcheck Daemons
Onboarding & Gamification
User Onboarding
Gamification Systems
XP / Leveling Logic
Lesson / Course Pipelines
Notification Systems
Referral / Invite Loops
Seasonal Feature Gating
Analytics Funnels
Daily Streaks
Badge / Achievement Logic
Community Systems
In-app Messaging
Comment Threading
Mention Systems
Hashtag Systems
Rating Systems
Dispute Resolution Flows
Community Moderation
User Suspensions
Anonymous Identity Systems
Performance & Scale
In-memory Config Caching
Cache Strategies
Debounced Firestore Writes
Debounced State Sync
Memoized Contexts
Compound Index Strategy
Atomic Field Increments
Denormalized Counters
Large Batch Migrations
Web Workers
Image Optimization
Browser Image Compression
Lazy Image Loading
Web Vitals
By the Numbers
Technologies Shipped
Every chip above is real production code across languages, frameworks, cloud, AI, payments, and native mobile.
Full-Stack Ownership
From schema design to App Store submission. One builder, zero handoffs across design, code, infra, and deploys.