Software Architecture Hub
Go from junior developer to systems architect. Access our 29-module deep dive covering foundational patterns, distributed systems, system design, and AI-era architectural strategies.

Client-Server Architecture
The pattern behind every web app, email, and banking system.
MVC Architecture Explained
Why Rails, Django, Angular, and Laravel all use the same idea.
Layered (N-Tier) Architecture
Still the most widely used pattern in enterprise codebases.
SOA: The Predecessor to Microservices
How SOA differs from Microservices in a 2026 enterprise context.
Architecture vs. Design Patterns
Clearing up the biggest confusion in software engineering.
Peer-to-Peer Architecture
How BitTorrent, blockchain, and decentralised AI work.
Domain-Driven Design (DDD)
Bounded contexts, aggregates, and ubiquitous language explained.
Software Architecture Patterns Overview
A visual map of the major architectural patterns every developer should know.
Software Architecture Patterns
Comprehensive guide to layered, event-driven, microservices, and serverless architectures.
Software Architecture Roadmap
The structured learning path from developer to enterprise software architect.
Architecture Principles: SOLID & DRY
The foundational engineering principles behind every great software architecture.
Application Programming Interfaces (API)
REST, GraphQL, gRPC, and WebSockets — the contract layer of modern systems.
Monolith vs. Microservices in 2026
Amazon cut costs 90% switching back. What does that mean for you?
The Modular Monolith
The sweet spot for teams of 10–50 developers.
When Microservices Hurt
Real failure cases and the 'microservice premium' trap.
Clean vs. Hexagonal Architecture
Concentric Rings vs. Ports & Adapters — finally explained clearly.
Microkernel Architecture
Why VS Code, Firefox, and Chrome are all built on the same idea.
Pipe and Filter Architecture
The pattern behind every data pipeline and AI preprocessing workflow.
Layered Architecture: The N-Tier Pattern
The classic presentation-business-data separation pattern and when to use it.
Clean Architecture Principles
Uncle Bob's concentric rings: dependencies point inward, domain is king.
Hexagonal Architecture: Ports & Adapters
Decouple your domain from infrastructure using the Ports and Adapters pattern.
Hexagonal Architecture Deep Dive
Advanced implementation of Ports & Adapters with real-world examples.
Microservices Architecture Best Practices
Production patterns for service boundaries, communication, and observability.
Monolithic vs Microservices: 2026 Reality Check
An honest comparison of the tradeoffs — when monoliths still win.
Event-Driven Architecture
Design systems that react to events with loose coupling and high throughput.
API Gateway Pattern
Single entry point for all client requests — routing, auth, and rate limiting.
Domain-Driven Design: Foundations
Aggregates, entities, value objects, and bounded contexts explained.
Domain-Driven Design (DDD)
Tactical and strategic DDD patterns for aligning software with business domains.
Micro-Frontend Architecture
Apply microservices thinking to the frontend for independent deployability.
Event-Driven Architecture at Scale
How Netflix, Uber, and Slack handle billions of events.
CQRS + Event Sourcing Practical Guide
Banking and e-commerce use cases, not just theory.
Space-Based Architecture
Handle 200,000 concurrent users without Kubernetes overhead.
Sharding Patterns Explained
How Instagram and Discord actually scaled their databases.
Leader-Follower / Database Replication
How PostgreSQL, MySQL, and Redis handle replication.
The Saga Pattern
Distributed transactions in microservices — choreography vs orchestration.
Backend for Frontend (BFF)
Why one general API fails mobile — and how to fix it.
Thundering Herd & Backpressure: Stability Patterns
Preventing self-inflicted Denial of Service in your microservice fleet.
Multi-Tenancy Patterns (SaaS Architecture)
Isolation strategies for multi-customer platforms — Pooled vs Siloed.
Architecture Tradeoffs: CAP Theorem
Why you can only pick two of Consistency, Availability, and Partition Tolerance.
Microservices Communication: gRPC vs REST
Choose the right inter-service protocol based on latency, payload, and team maturity.
Database Sharding & Replication
Horizontal scaling strategies for databases beyond the single-node limit.
Distributed Systems & CAP Theorem
The foundational theory behind every distributed system design decision.
Load Balancing Strategies
Round-robin, least connections, consistent hashing, and health-check patterns.
Message Queues: RabbitMQ & Kafka
Decouple producers and consumers for resilient, scalable event pipelines.
System Design: Scalability Patterns
Horizontal vs vertical scaling, CQRS, sharding, and the art of system design interviews.
Circuit Breaker Pattern
How Netflix stops one failure from taking down everything.
Zero Trust Architecture
The security pattern every developer needs to know in 2026.
Data Mesh vs. Data Fabric
Which one should you actually build? The Gartner reality check.
High-Availability: Multi-Region Active/Active Design
Designing global-scale systems that survive total data center failure.
Chaos Engineering: Designing for Failure
Proactively injecting failure to prove architectural resilience.
Disaster Recovery (DR) and Hardware Redundancy
The physical reality of RTO and RPO in the enterprise.
Resilience Patterns: Circuit Breaker
Stop cascading failures with the Circuit Breaker, Retry, and Bulkhead patterns.
Security Architecture: Zero Trust
Applying zero-trust principles at the software and infrastructure level.
Blackboard Architecture Pattern
The AI pattern from the 1980s making a comeback in LLM systems.
AI-Native Architecture Design
How to design systems built around LLMs, RAG, and model routers.
RAG Architecture Patterns
The standard enterprise stack: Vector DB + Orchestration + LLM.
Multi-Agent Architecture Patterns
The 8 patterns every AI developer needs to know for orchestration.
Agentic AI Architecture Explained
The Control Loop, Memory Layers, and Deterministic Guardrails.
Edge Computing Architecture
How to design systems that process data in milliseconds.
Serverless Architecture in 2026
Cold starts, vendor lock-in, and edge serverless explained.
Platform Engineering Architecture
Why DevOps alone doesn't scale for large enterprise teams.
Internal Developer Platform (IDP)
The 5 layers every IDP needs and Golden Paths explained.
GitOps Architecture
Hub-and-Spoke vs Standalone vs Hybrid Kubernetes scaling.
Observability Architecture
Beyond the Three Pillars: Tracing across 50 microservices.
Multi-Cloud Architecture
The 5 patterns for redundant deployment and vendor lock-in avoidance.
Service Mesh vs. API Gateway vs. Sidecar
Deciphering the networking tax and the cost of proxying in high-traffic clusters.
Platform Engineering: Golden Paths and IDPs
Creating a cohesive developer experience that abstracts hardware complexity.
Serverless vs. Containers vs. Bare Metal
Choosing the right execution environment based on the cost-latency matrix.
Observability: Logging, Metrics & Tracing
The three pillars of production observability and how to instrument them.
Kubernetes Orchestration Guide
Deploying and managing containerized workloads at scale with Kubernetes.
Cloud-Native Architecture
Designing for the cloud from the ground up: 12-factor apps, containers, and services.
Infrastructure as Code with Terraform
Manage your cloud resources declaratively with Terraform.
Serverless Architecture: AWS Lambda & Beyond
Event-driven compute with AWS Lambda — when FaaS makes architectural sense.
Serverless Architecture Patterns
Fan-out, orchestration, and saga patterns adapted for serverless runtimes.
Zero Trust Networking: Beyond the Perimeter
Implement identity-based security at the hardware and network layers.
Compliance as Code: HIPAA & PCI-DSS Architectures
Automating regulatory requirements in your distributed system design.
Caching Strategy: CDNs, Sidecars, and Memory Buffers
The physical cost of data retrieval and how to mitigate it with multi-layer caching.
Data Privacy: GDPR & Data Sovereignty Architecture
Designing for regional data isolation and user forgetfulness.
FinOps for Architects: Engineering for Cloud Economy
Treating cost as a first-class architectural metric alongside performance.
Legacy Modernization: The Strangler Fig in Practice
Moving from 20-year-old monoliths to modern systems without downtime.
Performance Budgeting for Architects
Setting and enforcing latency and resource guardrails for your teams.
Caching Strategies: Redis & CDN
Multi-layer caching architecture using Redis, reverse proxies, and CDNs.
Monolith to Microservices: The Migration Journey
Step-by-step strategy for extracting services from a monolithic codebase.
The Final Architect's Capstone: Global Exchange
The Grand Finale: Design a globally distributed, compliant, and resilient financial exchange.
Mock Test 1: Foundations & Core
20 Scenario-based questions on MVC, Microservices, and classic patterns.
Mock Test 2: Distributed Resilience
20 Scenario-based questions on Sagas, Sharding, CQRS, and Zero Trust.
Mock Test 3: AI & Strategy
20 Scenario-based questions on Serverless, RAG, and Migration patterns.
Level Up Your System Design
Our architecture hub gives you the vocabulary and practical framework to design systems that scale. Start the series from the beginning.
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