Articles by tag: system-design

What Is System Design and Why Is It Important?

Learn what system design is and why it is important for building scalable, reliable software. Discover key principles and how to design systems that last.

Monolith vs Microservices: Key Architecture Differences

Learn what is the difference between monolithic and microservices architecture. Compare strengths, costs, and choose the right fit for your team.

How to Design a Scalable Web Application Architecture

Learn how to design a scalable web application architecture with practical strategies for statelessness, database sharding, caching, and observability. Expert guide with actionable steps.

C4 model for IT infrastructure: practical application

How to adapt the C4 model for designing fault-tolerant clusters. Critical errors at the HLD stage and methods to prevent them. Guide for engineers.

Decomposition of Reality in IT: Physical Foundations of Systems

How the method of decomposing layers of reality from physics is applied in IT development. Analysis of quantum fields and system design for middle/senior developers. Learn more.

Architectural errors in IT: how to avoid project failure | Analysis

Why the lack of a systematic approach kills even strong projects. Analysis of architectural failures and methods to prevent them. Learn the key principles.

Encryption against Technical Means of Countering Threats: why protocols won't save the network

Analysis of traffic filtering architecture, isolation economics, and historical control cycles. How engineers can design resilient systems.

System Design interview for Android/iOS

Prepare for System Design interview: stages, questions, Clean Architecture for mobile apps. Tips from a senior developer for successful passing.

System Design: how to pass the interview

Preparation for System Design: basics, typical mistakes, Push/Pull tradeoffs, queues vs jobs. Books and approaches for middle/senior. Get into Big Tech — read the guide.

Ticket Booking System Design

Architecture of a Ticketmaster-like system: API, CQRS, OCC, Elasticsearch. Scaling to 10M users, avoiding double booking. Study the design for senior interviews.

QR Ticket Validation Design for Cinemas

Breakdown of System Design for QR Ticket Validation: offline signature, idempotency, atomic updates. Solving timeouts and HoL blocking for high-load. Practical SQL examples.