Complete architecture design for transforming NIJA into a scalable, secure multi-user SaaS platform
π Quick Navigation
New here? Start with the Executive Summary (5 min read)
Core Documents
Total: 124KB of comprehensive architecture documentation
π― What Was Designed
β
Secure API Vault System
Enterprise-grade credential management using HashiCorp Vault
- Per-user encrypted API keys (AES-256-GCM)
- Zero-knowledge architecture
- Automatic rotation & audit logging
- High availability (3-node cluster)
β
Execution Routing Model
Intelligent trade routing with complete user isolation
- Multi-factor routing (fees, latency, liquidity)
- Priority queuing & circuit breakers
- 99%+ success rate, < 500ms latency
- Load balancing across exchanges
β
Mobile App UX Flow
Beautiful iOS + Android app with React Native
- 6 complete screen designs
- Real-time WebSocket updates
- Push notifications (5 types)
- Biometric authentication
ποΈ Architecture at a Glance
Mobile App (iOS/Android)
β
API Gateway
β
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β β β
Dashboard Trading Admin
API API API
β β β
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β
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β β
API Vault Execution
(Vault) Router
β
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β β β
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Executor Executor Executor
π‘ Key Features
Security
- π Encrypted credentials (AES-256)
- π Biometric authentication
- π Complete audit logging
- π‘οΈ Zero-trust architecture
- β‘ < 500ms API latency (p99)
- π < 2s app launch time
- π 1000+ concurrent users
- β
99%+ trade success rate
Scalability
- βΈοΈ Kubernetes orchestration
- π Horizontal auto-scaling
- πΎ Read replicas
- βοΈ Redis caching
π Quick Stats
| Metric |
Value |
| Architecture Docs |
5 documents, 124KB+ |
| Implementation Time |
12 weeks |
| Monthly Cost |
$550-1,300 |
| Per-User Cost |
$0.55-1.30 |
| Revenue/User |
$29-299/month |
| Break-Even |
~20 users |
π οΈ Technology Stack
- Backend: FastAPI (Python 3.11+)
- Database: PostgreSQL + TimescaleDB
- Cache: Redis 7+
- Secrets: HashiCorp Vault
- Mobile: React Native 0.72+
- Orchestration: Kubernetes
- Monitoring: Prometheus + Grafana
π Getting Started
For Stakeholders
- Read Executive Summary
- Review cost structure and timeline
- Approve to proceed
For Developers
Backend Team
- Platform Architecture
- API Vault System
- Execution Routing
Mobile Team
- Mobile App UX
- Review screen designs
- Set up React Native project
DevOps Team
- Review all architecture docs
- Set up Kubernetes cluster
- Deploy Vault and monitoring
π
Implementation Timeline
Phase 1: Foundation (Weeks 1-2)
- PostgreSQL + Redis setup
- HashiCorp Vault deployment
- API Gateway configuration
Phase 2: API Development (Weeks 3-4)
- Dashboard API
- Trading API
- WebSocket server
Phase 3: Mobile App (Weeks 5-8)
- React Native setup
- All screens implemented
- Real-time features
Phase 4: Integration (Weeks 9-10)
- Mobile β API connection
- End-to-end testing
- Performance tuning
Phase 5: Launch (Weeks 11-12)
- Beta testing
- Production deployment
- Gradual rollout
Total: 12 weeks from start to launch
β
Success Criteria
Technical
- β
99.9% uptime
- β
< 500ms latency
- β
> 99% trade success
- β
Zero security breaches
Business
- β
100 users in month 1
- β
80% retention
- β
NPS > 50
- β
4.5+ app rating
Existing NIJA Docs
π¬ Questions?
- Architecture Questions: Review individual docs for detailed designs
- Implementation Help: Check code examples in architecture docs
- Security Concerns: See Security Guidelines
- Deployment: See deployment configs in architecture docs
π Status
Design Phase: β
COMPLETE
Documentation: β
COMPLETE
Implementation: π‘ Ready to Start
Launch: π΅ 12 weeks away
Last Updated: January 27, 2026
Version: 1.0
Status: Ready for Implementation