15 Modules · 142 Lessons · Free Forever

The Complete System Design Course

From first principles to distributed systems. Every concept paired with real-world case studies and hands-on labs. Tap any module to jump straight in.

017 lessons

Foundations

The mental model every design starts from: framework, NFRs, scaling, concurrency.

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0211 lessons

Networking

How a request actually travels the wire: DNS, TCP/UDP, HTTPS, the event loop.

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0315 lessons

APIs & Communication

REST, gRPC, GraphQL, WebSockets, SSE, idempotency, pagination and more.

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043 lessons

Security

Authentication, authorization, and encryption done the way production expects.

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0511 lessons

Infrastructure

Load balancers, gateways, NGINX, Kubernetes, service mesh, CI/CD, IaC.

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0613 lessons

Storage

DB internals, indexing, SQL, NoSQL, search, blob, vector, and graph databases.

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0712 lessons

Caching

Strategies, invalidation, a full Redis deep dive, and CDNs at the edge.

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089 lessons

Messaging

Queues, Kafka, pub/sub, DLQs, event sourcing, CQRS, and ordering.

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098 lessons

Consistency

CAP, consistency models, consensus, distributed transactions, sagas.

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1010 lessons

Scalability

Partitioning, sharding, consistent hashing, bloom filters, rate limiting.

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1112 lessons

Distributed Systems

Patterns, ZooKeeper, consensus, leader election, fault tolerance.

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1210 lessons

Data Pipelines

CDC, ETL/ELT, stream and batch processing, warehouses, lakehouses.

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137 lessons

Observability

Logs, metrics, distributed tracing, OpenTelemetry, incident response.

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147 lessons

Key Numbers

Latency, throughput, storage, cost, SLA math, and back-of-envelope estimation.

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157 lessons

Decision Guides

Flowcharts to pick the right API, database, cache, and scaling approach.

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Where our learners aim

Land your dream job at one of the leading tech companies

The patterns, data-structure instincts, and system design skills you build here are exactly what top product and FAANG-level companies interview for.

Google
Amazon
Microsoft
Meta
Apple
Netflix
Adobe
Atlassian
PayPal
Spotify
Intel
eBay
Flipkart
Walmart
AT&T
Cohort-Based · Live · Small Group

Live Courses

Three live cohorts to go deep with expert feedback: crack the coding round with data structures & algorithms, master system design, or build production-grade AI systems.

Seats fill fast. Next batch: Oct 18.

Small live cohort, weekend sessions, personal attention on every design you build. Lock your seat before it’s gone.

Enroll in Master Advanced System Design ›