Low Level Design: Internal Service Catalog
9 min read What Is an Internal Service Catalog? An internal service catalog is a centralized registry where every service in your infrastructure […] Read article
System Design
System Design
Low Level Design: Currency Conversion Service
8 min read Problem Statement Design a currency conversion service that ingests exchange rates from one or more external providers, stores current and Read article
System Design
Low Level Design: Search Filter and Faceting Service
11 min read What Is a Search Filter and Faceting Service? A search filter and faceting service enables users to narrow search results Read article
System Design
Low Level Design: Event Analytics Pipeline
10 min read Overview An event analytics pipeline is the backbone of any product analytics product. It ingests raw behavioral events from client Read article
System Design
Low Level Design: Funnel Analysis Service
12 min read Overview A funnel analysis service determines what fraction of users complete an ordered sequence of steps — for example, landing Read article
System Design
Low Level Design: Video Conferencing Service
8 min read Overview A video conferencing service enables real-time audio and video communication between multiple participants. At scale, this involves signaling servers, Read article
System Design
Low Level Design: Screen Sharing Service
8 min read Overview Screen sharing transmits a host’s display or application window to remote viewers in real time. The challenge is minimizing Read article
System Design
Low Level Design: Collaborative Whiteboard
10 min read Overview A collaborative whiteboard allows multiple users to simultaneously draw, add shapes, write text, and move objects on a shared Read article
System Design
Low Level Design: Marketplace Payment Service
8 min read Overview A marketplace payment service handles money flows in a multi-sided marketplace where a buyer pays a platform, the platform Read article
System Design
Low Level Design: In-App Notification Center
7 min read What Is an In-App Notification Center? An in-app notification center is the bell-icon inbox found in products like GitHub, LinkedIn, Read article
System Design
Low Level Design: API Documentation Service
11 min read Overview An API documentation service ingests API specifications (OpenAPI/Swagger, GraphQL schemas, gRPC protobufs), renders human-readable documentation, hosts an interactive sandbox Read article
System Design
Low Level Design: PDF Generation Service
11 min read Overview A PDF generation service converts structured data and templates into PDF documents on demand or asynchronously. Use cases include Read article
System Design
Low Level Design: Reporting Service
14 min read Overview A reporting service allows business users and automated processes to define, schedule, execute, and distribute reports over operational data. Read article
System Design
Low Level Design: Returns and Refunds Service
11 min read Overview A returns and refunds service handles the reverse logistics of e-commerce: accepting return requests, authorizing them against policy, routing Read article
System Design
Low Level Design: Rate Limiter Service
10 min read What Is a Rate Limiter Service? A rate limiter controls how often a client can call an API or consume Read article