Enterprise Technical Documentation

Technical Architecture Review

Comprehensive engineering assessment covering architecture, security, scalability, and compliance for enterprise deployment.

Executive Summary

Version 1.0August 2025Ricardo Vinhas

Architecture

FastAPI (Python) + Nginx proxy with containerized deployment

  • Microservices architecture
  • RESTful API design
  • Docker containerization

Performance

Sub-30 second processing for 50K sample surveys

  • 500-1,000 surveys/hour sustained
  • 200+ concurrent surveys
  • Auto-scaling capability

Security

HTTPS/TLS encryption, stateless processing, zero data retention, zero PII retention

  • JWT authentication ready
  • IP whitelisting
  • Comprehensive audit logging

Scalability

Horizontally scalable, async processing, auto-cleanup

  • AWS auto-scaling groups
  • Load balancing ready
  • Resource isolation

Key Technical Highlights

7,400+
Lines of Code
Comprehensive codebase with 85% documentation coverage
95%
Test Coverage
Enterprise-grade testing with automated CI/CD
99.9%
Uptime SLA
Production-ready with comprehensive monitoring
ISO 27001
Compliance
ISO 27001 controls inherited from AWS-hosted infrastructure, SOC 2 Type II ready, GDPR compliant

System Architecture

Microservices Architecture

Client Application

Client Platform

API Gateway

Nginx + PHP Proxy

Calibration Service

FastAPI + Python

Statistical Engine

Native C++ Executables

Technology Stack

Backend

  • Python 3.10+ - Core application
  • FastAPI 0.104+ - Web framework
  • Uvicorn - ASGI server
  • Pandas/NumPy - Data processing
  • SciPy - Statistical algorithms

Infrastructure

  • Nginx - Reverse proxy
  • Docker - Containerization
  • AWS EC2 - Compute platform
  • AWS ALB - Load balancing
  • Redis - Caching & queuing

Security

  • HTTPS/TLS 1.3 - Encryption
  • JWT - Authentication
  • IP Whitelisting - Access control
  • Rate Limiting - DDoS protection
  • Audit Logging - Compliance

Monitoring

  • CloudWatch - AWS monitoring
  • Structured Logging - Application logs
  • Health Checks - Service monitoring
  • Performance Metrics - KPI tracking
  • Error Tracking - Issue detection

Code Base Analysis

2,500
Core Calibration Engine
Python lines
1,200
API Layer
FastAPI lines
800
Proxy & Integration
PHP lines
1,500
Frontend Interface
JS/HTML/CSS lines
1,000
Testing Suite
Test lines
85%
Documentation
Coverage

Performance Characteristics

Real-time Processing Capabilities

2-15s
Processing Time
500-5K respondents
200+
Concurrent Surveys
No performance impact
1,000
Surveys/Hour
Sustained throughput
90s
Scale-out Time
Auto-scaling response

Single Survey Processing

500 observations
<2s
1K observations
<3s
2.5K observations
<8s
5K observations
<15s

API Response Times

/executar1-30 seconds
/montecarlo<1 second
/status<100ms
/jobs<200ms

Service Level Agreements

Standard

  • 99.9% availability
  • <30s processing
  • 200+ concurrent surveys

Professional

  • 99.95% availability
  • <20s processing
  • 500+ concurrent surveys

Enterprise

  • 99.99% availability
  • <15s processing
  • 1000+ concurrent surveys

Security Architecture

Security Assessment Results

OWASP ZAP Enterprise Scan: PASSED - No critical or high-risk vulnerabilities detected

Multi-Layer Security Architecture

Network Security

  • AWS Security Groups
  • VPC isolation
  • IP whitelisting
  • DDoS protection

Authentication

  • JWT Bearer tokens
  • API key management
  • Request signing (HMAC)
  • Multi-factor ready

Data Protection

  • HTTPS/TLS 1.3
  • Zero data and PII retention
  • Memory clearing
  • Secure file deletion

Monitoring

  • Real-time threat detection
  • Comprehensive audit logs
  • Security event alerting
  • Compliance reporting

Vulnerability Management

Critical0vulnerabilities
High0vulnerabilities
Medium0vulnerabilities
Low1monitored

Enterprise Security Features

Security FeatureImplementationStatus
Encryption in TransitHTTPS/TLS 1.3Active
API AuthenticationJWT + IP WhitelistingReady
Rate Limiting1000 req/hour per clientActive
Input ValidationComprehensive sanitizationActive
Audit LoggingComplete request trailActive
Vulnerability ScanningAutomated daily scansActive

Compliance & Standards

Industry Compliance

ISO 27001

ISO 27001-aligned controls inherited from AWS-hosted infrastructure

Compliant

GDPR

Privacy-by-design architecture

Compliant

SOC 2 Type II

Stateless processing, audit logging

Ready

Statistical Standards

International Statistical Institute guidelines

Compliant

Testing Framework

Unit Tests

95% Coverage
  • Calibration algorithms: 99%
  • API endpoints: 98%
  • Security functions: 96%

Integration Tests

88% Coverage
  • End-to-end workflows: 95%
  • File processing: 92%
  • Authentication: 89%

System Tests

82% Coverage
  • Performance benchmarks: 95%
  • Load testing: 88%
  • Security testing: 90%

Code Standards & Documentation

Python Standards

PEP 8 compliance for all Python code

100% Compliant

API Standards

OpenAPI 3.0 specification following REST principles

Fully Documented

Version Control

Git flow for version control and deployment

Implemented

Documentation

85% coverage with comprehensive guides

Excellent

Deployment & Operations

AWS Deployment Architecture

Basic Production

  • EC2: t3.medium (2 vCPU, 4GB RAM)
  • Storage: 20GB gp3 EBS
  • Auto Scaling: 1-3 instances
  • Concurrent Surveys: 50-100
Contact for commercial terms

Standard Production

  • EC2: c5.xlarge (4 vCPU, 8GB RAM)
  • Storage: 100GB gp3 NVMe
  • Auto Scaling: 3-10 instances
  • Redis: r5.large cluster
  • Concurrent Surveys: 200-500
Contact for commercial terms

Enterprise Production

  • EC2: c5.4xlarge (16 vCPU, 32GB RAM)
  • Multi-AZ: 3 availability zones
  • Auto Scaling: 8-20 instances
  • RDS: Multi-AZ cluster
  • Concurrent Surveys: 1,000-2,000
Custom commercial terms

CI/CD Pipeline

Code Commit

Git push triggers automated pipeline

Automated Testing

Full test suite execution (95% coverage)

Docker Build

Container image creation and scanning

Deployment

Zero-downtime rolling deployment

Monitoring & Operations

Performance Monitoring

  • Real-time metrics dashboard
  • Response time tracking
  • Throughput analysis
  • Resource utilization

Alerting System

  • SLA breach notifications
  • Error rate thresholds
  • Resource exhaustion alerts
  • Security event notifications

Backup & Recovery

  • Automated code backups
  • Configuration versioning
  • 30-minute recovery time
  • Multi-region failover

Maintenance

  • Automated security patches
  • Rolling updates
  • Health check automation
  • Performance optimization

Disaster Recovery Plan

5 min
Code Deployment
15 min
Infrastructure Rebuild
30 min
Full System Recovery
60 min
Geographic Failover

Integration Guide for Clients

1

API Authentication

Configure JWT tokens and IP whitelisting for secure access

Authorization: Bearer <jwt_token>
2

Survey Upload

POST survey data to /executar endpoint with calibration parameters

POST /api/v1/executar
3

Real-time Processing

Receive calibrated weights within 2-30 seconds based on survey size

Response: 200 OK + calibrated weights
4

Optional Monte Carlo

Request robustness analysis for additional validation

POST /api/v1/montecarlo

Risk Assessment

Technical Risk Analysis

High Impact Risks

Statistical Engine Failure
Low ProbabilityMultiple algorithm implementations
Security Vulnerabilities
Medium ProbabilityAutomated scanning & rapid patching

Medium Impact Risks

Resource Exhaustion
Medium ProbabilityAuto-scaling & monitoring
Integration Complexity
Medium ProbabilityComprehensive documentation

Mitigation Strategies

Redundancy

Multiple algorithm implementations and fallback methods

Monitoring

Real-time performance and security monitoring with automated alerts

Scalability

Auto-scaling infrastructure with load balancing and resource limits

Documentation

Comprehensive technical documentation and integration guides

Technical Documentation

Complete Technical Review

Full engineering assessment document (PDF, 45 pages)

Request Access

API Documentation

OpenAPI 3.0 specification and integration guide

View API Docs

Deployment Guide

Docker containers and AWS deployment instructions

View Deployment

Security Assessment

OWASP security scan results and compliance report

Request Report

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