Diagram & System Design Gallery
System design posters, flowcharts and database diagrams made with AI Flowchart. Open one, remix it, make it yours.
- Netflix System Design — System design poster
How Netflix streams video worldwide: a transcoding pipeline, its own CDN (Open Connect), personalised recommendations and playback services. A popular system design interview topic. - Uber System Design — System design poster
How Uber matches riders with nearby drivers in seconds: live location updates, geospatial indexing, a matching service, surge pricing and payments. Useful for system design interview preparation. - WhatsApp System Design — System design poster
How WhatsApp delivers billions of messages a day: persistent WebSocket connections, a message queue for offline users, media storage behind a CDN, and end-to-end encryption. A classic system design interview question. - BookMyShow Ticket Booking System Design — System design
How a movie ticket booking platform like BookMyShow prevents double booking: seat locking, a booking service, payment gateway integration and notifications. - Instagram Architecture — System design
How Instagram stores photos and builds the news feed: upload service, object storage behind a CDN, feed generation, the follower graph and caching. - URL Shortener System Design (like Bitly) — System design
Architecture of a URL shortener like Bitly: short code generation, fast redirects through a cache, a key-value database and click analytics. One of the most common system design interview questions. - Student Grade Calculation Flowchart — Flowchart
Flowchart for calculating a student’s grade from marks in five subjects: total, percentage and grade boundaries. A common programming lab exercise. - Online Shopping Checkout Flowchart — Flowchart
Flowchart of an online shopping checkout: cart, login check, address and delivery, coupons, payment with retry on failure, and order confirmation. - ATM Cash Withdrawal Flowchart — Flowchart
Flowchart of an ATM cash withdrawal: card insertion, PIN verification with limited attempts, balance checks, dispensing cash and printing a receipt. - E-commerce Database ER Diagram — ER diagram
ER diagram for an e-commerce database: users, products, categories, carts, orders, payments, shipments and reviews. - Library Management System ER Diagram — ER diagram
ER diagram for a library management system: members, books, authors, copies, loans and fines. A popular final-year and DBMS project. - Hospital Management System ER Diagram — ER diagram
ER diagram for a hospital management system: patients, doctors, departments, appointments, admissions, rooms, prescriptions and billing, with keys and relationships. - Food Delivery Order Sequence Diagram — Sequence diagram
Sequence diagram of a food delivery order like Swiggy or Zomato: ordering, payment, restaurant acceptance, delivery partner assignment and live tracking. - UPI Payment Sequence Diagram — Sequence diagram
Sequence diagram of a UPI payment in India: the payer app, PSP banks, the NPCI switch, PIN authorisation, debit, credit and confirmations. - OTP Login Sequence Diagram — Sequence diagram
Sequence diagram of phone number login with a one-time password: OTP generation, SMS delivery, verification and issuing a session token. - Full Stack Web Development Roadmap — Mind map
Mind map roadmap for becoming a full stack web developer: frontend, backend, databases, APIs, authentication and deployment. - Machine Learning Concepts Mind Map — Mind map
Mind map of core machine learning concepts: supervised, unsupervised and reinforcement learning, evaluation metrics and deep learning. - Data Structures and Algorithms Roadmap — Mind map
Mind map of the data structures and algorithms topics to learn for coding interviews and campus placements.