A collection of architectural patterns, design decisions, and trade-off analyses from 7+ years of building enterprise applications.
This repository documents architectural patterns and decision-making frameworks developed while building large-scale enterprise systems. All examples are abstracted and generalized - no proprietary code or client-specific details.
Focus areas:
- Data-intensive applications (1M+ records, real-time dashboards)
- Multi-tenant SaaS architectures
- Payment processing & financial systems
- Enterprise authentication & authorization
- Frontend performance & component libraries
├── adr/ # Architecture Decision Records (focused)
│ ├── payment-gateway.md
│ ├── realtime-broadcasting.md
│ ├── server-side-grid.md
│ ├── clean-architecture.md
│ ├── component-library.md
│ ├── pessimistic-locking.md
│ ├── role-based-permissions.md
│ └── multi-tenant.md
│
└── design-docs/ # Comprehensive pattern documentation
├── django-backend-patterns.md
├── vue-frontend-patterns.md
├── testing-strategy.md
├── dynamic-sql-query-builder.md
├── multi-phase-workflow-engine.md
└── configurable-dashboard-layout.md
Short, focused records of key architectural decisions.
| ADR | Domain | Description |
|---|---|---|
| Payment Gateway | Backend | Multi-gateway abstraction, dual-state transactions, webhook handling |
| Real-Time Broadcasting | Backend | Django Channels, WebSockets, Redis channel layer |
| Server-Side Grid | Fullstack | AG Grid with 1M+ records, filter translation, selection state |
| Clean Architecture | Backend | Services-Selectors-Views pattern for Django |
| Component Library | Frontend | 120+ components, two-file pattern, multi-entry Vite build |
| Pessimistic Locking | Backend | Concurrent processing with select_for_update(skip_locked=True) |
| Role-Based Permissions | Fullstack | Two-layer frontend + three-tier backend enforcement |
| Multi-Tenant | Backend | Row-level isolation, middleware context, user-tenant junction |
Comprehensive documentation of patterns and implementations.
| Document | Description |
|---|---|
| Django Backend Patterns | 11 patterns: JWT auth, caching, payments, real-time, clean architecture, locking |
| Vue Frontend Patterns | 9 patterns: bundles, i18n, forms, grids, component library, permissions |
| Testing Strategy | Full-stack testing: pytest, Vitest, CI/CD integration |
| Dynamic SQL Query Builder | Database-agnostic query generation with permission-aware filtering |
| Multi-Phase Workflow Engine | Frontend architecture for complex approval workflows |
| Configurable Dashboard Layout | Drag-and-drop widget system with persistence |
Backend: Django, Python, Django REST Framework, Oracle, PostgreSQL, Redis, Celery, RabbitMQ, RESTful APIs, JWT/OAuth2/OIDC, LDAP/AD, pytest
Frontend: Vue 3 (Composition API), TypeScript, JavaScript, Pinia, AG Grid Enterprise, AG Charts Enterprise, PrimeVue, Vite, i18n, Storybook, Vee-Validate, Vitest
DevOps & Tools: gunicorn, supervisor, npm/PyPI registry, SSH/rsync automation, GitLab CI/CD, Docker, nginx, Git, Jira, Confluence, Payment gateways, Sign-On APIs (Google, Facebook)
This repository demonstrates architectural thinking and decision-making patterns. It is a clean-room documentation of general concepts, independent of any proprietary implementations.