Sriniously

Learn system design with Sriniously, step by step

23 videos in 3 steps, about 27 h 14 min of watching. Start at step 1 and move down.

1. 1The building blocksCaches, queues, databases, load balancers: the parts every design is made of.5 videos · 2 h 35 min0/5

   • 1.1 Configuring Domains, CDN, and Security in SevallaIntermediate · 19 min · 416 views · 2025Serving files from servers near the user to cut delay.
   • 1.2 Database management with SevallaIntermediate · 25 min · 453 views · 2025How databases store and find data, and what guarantees they give.
   • 1.3 24. Object Storage - Everything You Need to Know: Part - 2Intermediate · 50 min · 23.6K views · 2026How a computer stores data and runs programs underneath your design.
   • 1.4 Sevalla Object Storage with Cloudflare R2Intermediate · 21 min · 576 views · 2025How a computer stores data and runs programs underneath your design.
   • 1.5 18. Logging, Monitoring and ObservabilityIntermediate · 40 min · 23.2K views · 2025Seeing what a running system is doing and finding what broke.
2. 2Design whole systems (HLD)Put the blocks together for a real product, step by step.1 videos · 48 min0/1

   • 2.1 How Vercel works Part-4: Splitting apart and deploying Next.jsIntermediate · 48 min · 1.2K views · 2025A walk through how a real product is put together: what it must do, the parts, and the trade-offs.
3. 3Go deeperInternals, trade-offs and how large systems really behave.17 videos · 23 h 51 min0/17

   • 3.1 5. Understanding HTTP for backend engineers, where it all startsAdvanced · 1 h 18 min · 316.9K views · 2024How web requests and responses travel between a browser and a server.
   • 3.2 How Vercel works Part-2: CDNs and Edge Compute, the backbone networkAdvanced · 1 h 12 min · 1.6K views · 2025How data moves reliably (or quickly) across a network.
   • 3.3 21.1. Backend Scaling and Performance Engineering: Part-1Advanced · 1 h 48 min · 34.6K views · 2025How a system grows from one server to many without falling over.
   • 3.4 21.2. Backend Scaling and Performance Engineering: Part-2Advanced · 2 h 18 min · 25.7K views · 2025How a system grows from one server to many without falling over.
   • 3.5 13. Caching, the secret behind it allAdvanced · 1 h 4 min · 57K views · 2025Keeping hot data close so reads are fast, and the cost of stale data.
   • 3.6 12. Mastering Databases with PostgresAdvanced · 2 h 45 min · 119.3K views · 2025How databases store and find data, and what guarantees they give.
   • 3.7 Part-1: Task Management App in Go (Database migrations, models and DTOs)Advanced · 1 h 16 min · 26.1K views · 2025How databases store and find data, and what guarantees they give.
   • 3.8 14. Task queues and background jobsAdvanced · 56 min · 42.9K views · 2025Passing work and events between services without waiting for each other.
   • 3.9 11. Complete REST API DesignAdvanced · 2 h 4 min · 125.7K views · 2025How services expose and call each other's features.
   • 3.10 25. Real-Time BackendsAdvanced · 52 min · 43.9K views · 2026Pushing updates to users instantly instead of making them ask.

   Show all 17

Order and levels are picked by us from titles and lengths. The one-line notes are ours. Every video plays from YouTube and belongs to Sriniously.

Sriniously’s own courses and series

Playlists the creator put together, in the order they made them.

1. Next.js on Vercel: How Vercel uses AWS and Cloudflare behind the scenes to make your Next.js app infinitely scalableA series from the creator, in the order they made it.4 videos · 4 h 11 min0/4

   • 1 How Vercel works Part-1: AWS Lambda and Cloudflare workers as a compute foundationAdvanced · 1 h 15 min · 14.7K views · 2025A walk through how a real product is put together: what it must do, the parts, and the trade-offs.
   • 2 How Vercel works Part-2: CDNs and Edge Compute, the backbone networkAdvanced · 1 h 12 min · 1.6K views · 2025How data moves reliably (or quickly) across a network.
   • 3 How Vercel works Part-3: Serverless databases to the rescueAdvanced · 55 min · 1.2K views · 2025How applications are packaged and run across many machines.
   • 4 How Vercel works Part-4: Splitting apart and deploying Next.jsIntermediate · 48 min · 1.2K views · 2025A walk through how a real product is put together: what it must do, the parts, and the trade-offs.

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