System Architecture
Overview
AlgorithmShift is built on a modern, scalable architecture designed for enterprise workloads.
High-Level Architecture
┌─────────────────────────────────────────────────────────────────────────┐
│ CLIENTS │
│ ┌───────────────┐ ┌───────────────┐ ┌───────────────────────────┐ │
│ │ Visual │ │ Admin Portal │ │ Generated Applications │ │
│ │ Builder │ │ (AppV2) │ │ (Next.js / React Native) │ │
│ └───────────────┘ └───────────────┘ └───────────────────────────┘ │
└─────────────────────────────────────────────────────────────────────────┘
│
┌─────────────────────────────────────────────────────────────────────────┐
│ API GATEWAY │
│ • Rate Limiting • Authentication • Load Balancing • SSL │
└─────────────────────────────────────────────────────────────────────────┘
│
┌─────────────────────────────────────────────────────────────────────────┐
│ SERVICE LAYER │
│ ┌─────────────────────────┐ ┌─────────────────────────────────┐ │
│ │ AdminAPI │ │ ClientAPI │ │
│ │ • Workspace Mgmt │ │ • Universal RLS │ │
│ │ • AI Agent System │ │ • Entity Operations │ │
│ │ • Code Generation │ │ • Custom Functions │ │
│ └─────────────────────────┘ └─────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────────────────┘
│
┌─────────────────────────────────────────────────────────────────────────┐
│ DATA LAYER │
│ ┌─────────────────┐ ┌─────────────────┐ ┌─────────────────────────┐ │
│ │ PostgreSQL │ │ Redis │ │ AWS │ │
│ │ (Per-tenant │ │ (Caching) │ │ S3, Secrets Manager │ │
│ │ schemas) │ │ │ │ │ │
│ └─────────────────┘ └─────────────────┘ └─────────────────────────┘ │
└─────────────────────────────────────────────────────────────────────────┘
Multi-Tenancy Architecture
Isolation Guarantees
| Layer | Isolation Method |
|---|
| Database | Separate PostgreSQL schemas per workspace |
| Cache | Prefixed Redis keys per workspace |
| Storage | Separate S3 prefixes per workspace |
| Secrets | Separate AWS Secrets Manager paths |
| Logs | Tagged and filtered by workspace ID |
Security Architecture
Defense in Depth
Layer 1: Network Security
├── DDoS Protection (CloudFlare/AWS Shield)
├── WAF (Web Application Firewall)
├── VPC Isolation
└── TLS 1.3 Encryption
Layer 2: Application Security
├── Rate Limiting
├── Input Validation
├── CSRF Protection
└── Security Headers
Layer 3: Authentication
├── Multi-factor Authentication
├── JWT with short expiry
├── Session Management
└── Brute Force Protection
Layer 4: Authorization
├── Role-Based Access Control
├── Universal Row-Level Security
├── Field-Level Permissions
└── Record Sharing
Layer 5: Data Security
├── Encryption at Rest (AES-256)
├── Encrypted Secrets
├── Database Audit Logging
└── PII Protection
Technology Stack
Backend
| Component | Technology |
|---|
| Runtime | Node.js 20+ |
| Framework | Express.js |
| Language | TypeScript |
| Database | PostgreSQL 15+ |
| Cache | Redis 7+ |
| Queue | Redis (Bull) |
Frontend
| Component | Technology |
|---|
| Framework | Next.js 14+ |
| Language | TypeScript |
| UI Library | shadcn/ui |
| Styling | Tailwind CSS |
| State | React Context + Zustand |
Infrastructure
| Component | Technology |
|---|
| Cloud | AWS |
| Containers | ECS Fargate |
| Serverless | Lambda |
| CDN | CloudFront |
| DNS | Route 53 |
| Secrets | Secrets Manager |
Scalability
Horizontal Scaling
| Component | Scaling Method | Trigger |
|---|
| API Servers | Auto-scaling ECS | CPU > 70% |
| Database | Read replicas | Read load |
| Cache | Redis cluster | Memory usage |
| Functions | Lambda concurrency | Request rate |
| Metric | Target |
|---|
| API Response Time (p95) | < 200ms |
| Database Query Time (avg) | < 50ms |
| Uptime SLA | 99.9% |
| Concurrent Users | 100,000+ |