LiveSaaS
OTTSim
30-130x faster mobile hotspot management. Enterprise platform with real-time device tracking, 3-tier caching, and telecom API integration—replacing legacy Flask with modern Next.js.
Founded 2025-12-01
1 (Solo)
Client Project
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About
The Challenge
Legacy Flask system suffered from 16-26 second load times, 10,000+ daily API calls, and zero caching—a 3,000+ line monolithic codebase.
The Solution
Complete rewrite to modern Next.js with clean architecture achieving dramatic improvements:
3-Tier Intelligent Caching
User Request → Redis (5-10ms) → DB Cache (30-50ms) → SOAP API (1-3s)
- 90% cache hit rate
- 90% reduction in external API calls
Performance Gains
| Metric | Before | After | Improvement |
|---|---|---|---|
| Dashboard | 16-26s | 200-500ms | 32-130x |
| Device List | 5-8s | 50-150ms | 33-160x |
| Device Details | 3-5s | 20-50ms | 60-250x |
Enterprise Features
- 5-Role RBAC: SUPER_ADMIN, ADMIN, CUSTOMER, PROXY_MANAGER, LOCATION_MANAGER
- TOTP 2FA: QR setup with backup codes
- Real-Time Monitoring: Live device status, ICCID/IMEI tracking
- Multi-Tenant: Branch-based organization with hierarchical access
Technical Highlights
- 4 SOAP API integrations (WWS Service, Devices, Usage, Accounts)
- 27+ PostgreSQL models with Prisma ORM
- Vercel Cron for background sync
- Full TypeScript with strict mode
Key Metrics
30-130x
Performance Gain
90%
API Reduction
27+
Database Models
8 weeks
Build Time
Technology Stack
Next.js 14React 19TypeScriptPrismaPostgreSQLRedisNextAuth.jsnode-soapVercelshadcn/uiTailwind CSSRechartsJestPlaywright
Investment Highlights
- 30-130x Performance — 3-tier caching transformed 16-26s loads to 200-500ms
- 90% API Reduction — Intelligent caching cut external calls from 10,000+ to 500-1,000 daily
- Enterprise Security — TOTP 2FA, 5-role RBAC, audit logging
- Clean Architecture — SOLID principles replacing 3,000-line monolith
- Solo Delivery — Complete rewrite in 8 weeks by single developer
Interested in investing?
We're open to strategic partnerships and investment opportunities for OTTSim.