Architecture

Design scalable systems with software architecture patterns guides covering event-driven architecture, hexagonal ports and adapters, saga distributed transactions, CQRS, and API design with REST, GraphQL, and gRPC. Furthermore, learn modular monolith architecture, distributed caching strategies, and zero-downtime migration patterns. Additionally, explore system design for real-time applications. Therefore, build applications that handle millions of requests reliably. Visit our about page for more information.

zero downtime database migrations patterns - Software architecture design with system diagram and planning

Zero-Downtime Database Migrations: Patterns That Actually Work

Pavan Rangani / February 14, 2026 / Leave a Comment / Architecture / Architecture, System Design

Expand-contract pattern, dual writes, ghost tables, and schema versioning for production database changes.

Architecture, System Design

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graphql federation distributed apis - Software architecture design with system diagram and planning

GraphQL Federation: Scaling APIs Across Distributed Teams in 2026

Pavan Rangani / February 12, 2026 / Leave a Comment / Architecture / Architecture, GraphQL, Microservices, System Design, TypeScript

15 microservices, 6 data sources, one unified API. GraphQL Federation lets each team own their subgraph while the router composes a seamless supergraph for the frontend.

Architecture, GraphQL, Microservices, System Design, TypeScript

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modular monolith architecture - Software architecture design with system diagram and planning

Modular Monolith: The Architecture Between Monolith and Microservices

Pavan Rangani / February 11, 2026 / Leave a Comment / Architecture / Architecture, Kafka, Microservices, System Design

Design a modular monolith with clear boundaries, independent modules, and a migration path to microservices.

Architecture, Kafka, Microservices, System Design

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distributed caching strategies redis - Software architecture design with system diagram and planning

Distributed Caching Strategies: Redis, Memcached, and Application-Level Patterns

Pavan Rangani / February 8, 2026 / Leave a Comment / Architecture / Architecture, Python, Redis, System Design

Cache-aside, write-through, cache invalidation, and thundering herd — caching patterns for high-traffic systems.

Architecture, Python, Redis, System Design

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microservices architecture patterns - Software architecture design with system diagram and planning

Microservices Architecture: Patterns That Actually Work

Pavan Rangani / February 1, 2025 / Leave a Comment / Architecture / Architecture, gRPC, Microservices, OpenTelemetry, System Design

Lessons learned from building distributed systems at scale — saga patterns, circuit breakers, and the patterns that saved us in production.

Architecture, gRPC, Microservices, OpenTelemetry, System Design

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event driven microservices kafka - Software architecture design with system diagram and planning

Event-Driven Microservices with Apache Kafka

Pavan Rangani / January 20, 2025 / Leave a Comment / Architecture / Architecture, Docker, Kafka, Microservices, System Design

Building resilient, decoupled systems using Kafka — from basic pub/sub to complex event sourcing patterns in Java.

Architecture, Docker, Kafka, Microservices, System Design

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