Is this a video course?

No. This is an interactive, slide-based learning platform. Each lesson has rich text, animated diagrams, live code editors, and quizzes. You learn by reading, interacting, and doing, not by watching videos passively.

How long do I have access?

Forever. Both pricing tiers are one-time payments with lifetime access. This includes all current 766 lessons and any future content we add.

What level of experience do I need?

None. We start from absolute basics like 'What is latency?' and build up to distributed consensus protocols. The Foundation level assumes zero prior knowledge of system design.

How much does the system design course cost?

5 US dollars for lifetime access globally, or 299 Indian rupees for lifetime access in India. One-time payment, no subscription, no hidden fees. 11 lessons are free with no signup required.

What technologies are covered?

Everything from DNS and load balancers to Kubernetes, Kafka, distributed databases, consensus protocols, stream processing, security architecture, and observability. We cover principles and real-world implementations used at Netflix, Google, Amazon, Uber, Stripe, and more.

Is this useful for system design interview preparation?

Yes. The lessons are structured around the exact topics asked in system design interviews at FAANG and top-tier companies. Interactive diagrams help you practice whiteboard-style explanations. Covers everything from URL shortener design to distributed payment systems.

How is this different from ByteByteGo or Educative?

766 interactive lessons (4x more than most competitors), 16 different diagram types that build step by step, real production examples from Netflix, Google, Amazon, Uber, and Stripe, and lifetime access for a one-time payment of 5 dollars instead of annual subscriptions costing 100 to 200 dollars per year.

Advanced Level

Name: System Design Masterclass
Availability: InStock

Distributed systems, consistency models, and production-grade patterns.

178 lessons5 categories178 locked

Unlock the full Masterclass

All 766 lessons, every diagram and code editor. One payment, lifetime access.

Get $5 Lifetime Access

consistency-models21 lessons

Data CompressionLocked28 min
Memory ManagementLocked32 min
Thread PoolingLocked30 min
Garbage CollectionLocked35 min
Data DeduplicationLocked25 min
CheckpointingLocked30 min
SnapshottingLocked35 min
Write-Ahead LoggingLocked40 min
Point-in-Time RecoveryLocked35 min
Data Consistency ModelsLocked70 min
Monotonic ReadsLocked35 min
Monotonic WritesLocked30 min
Read-Your-WritesLocked32 min
Causal ConsistencyLocked38 min
Sequential ConsistencyLocked34 min
Snapshot IsolationLocked40 min
SerializabilityLocked40 min
LinearizabilityLocked70 min
CRDTsLocked70 min
Operational TransformationLocked55 min
Conflict ResolutionLocked48 min

distributed-systems-core24 lessons

State MachineLocked38 min
Finite State MachineLocked40 min
CAP TheoremLocked68 min
Network PartitioningLocked38 min
Split-BrainLocked43 min
QuorumLocked52 min
Leader ElectionLocked55 min
Distributed LocksLocked52 min
Lamport TimestampsLocked46 min
Vector ClocksLocked48 min
Gossip ProtocolLocked50 min
Hinted HandoffLocked40 min
Read RepairLocked37 min
Anti-EntropyLocked42 min
Sloppy QuorumLocked37 min
Distributed TransactionsLocked42 min
Two-Phase CommitLocked40 min
Three-Phase CommitLocked34 min
Saga PatternLocked68 min
CQRSLocked62 min
Event SourcingLocked63 min
Consensus AlgorithmsLocked78 min
Actor ModelLocked48 min
Reactive SystemsLocked43 min

reliability-resilience85 lessons

Health ChecksLocked40 min
HeartbeatLocked35 min
ReliabilityLocked37 min
Fault ToleranceLocked40 min
Data RedundancyLocked34 min
High AvailabilityLocked40 min
FailoverLocked38 min
Full BackupLocked32 min
Incremental BackupLocked32 min
Differential BackupLocked32 min
Snapshot BackupLocked35 min
Hot BackupLocked35 min
Cold BackupLocked25 min
Warm BackupLocked28 min
Continuous BackupLocked32 min
CloneLocked28 min
Backup RetentionLocked25 min
Backup RotationLocked30 min
Backup VerificationLocked32 min
Restore TestingLocked32 min
Severity LevelsLocked30 min
Incident ClassificationLocked30 min
Email NotificationsLocked25 min
SMS NotificationsLocked25 min
In-App NotificationsLocked25 min
Webhook NotificationsLocked28 min
Slack NotificationsLocked28 min
Teams NotificationsLocked22 min
On-Call SchedulesLocked32 min
On-Call RotationLocked28 min
Escalation PoliciesLocked30 min
Alert RoutingLocked28 min
Alert AggregationLocked30 min
Alert SuppressionLocked30 min
Alert Fatigue PreventionLocked32 min
PagerDuty IntegrationLocked32 min
OpsGenie IntegrationLocked32 min
VictorOps IntegrationLocked28 min
ChatOpsLocked35 min
Incident ManagementLocked40 min
Incident ResponseLocked38 min
Root Cause AnalysisLocked55 min
Post-Mortem AnalysisLocked45 min
Blameless CultureLocked38 min
Runbook AutomationLocked40 min
Bottleneck IdentificationLocked42 min
CPU OptimizationLocked38 min
I/O OptimizationLocked35 min
Network OptimizationLocked35 min
Database ProfilingLocked38 min
Application ProfilingLocked38 min
RTOLocked35 min
RPOLocked30 min
Disaster RecoveryLocked65 min
DR TestingLocked35 min
Business Continuity PlanningLocked38 min
Self-Healing SystemsLocked40 min
Backup Strategies OverviewLocked35 min
Geographic RedundancyLocked35 min
Active-Passive FailoverLocked32 min
Active-Active FailoverLocked35 min
DNS FailoverLocked28 min
Load Balancer FailoverLocked30 min
Database FailoverLocked40 min
Circuit Breaker for ResilienceLocked35 min
Bulkhead PatternLocked35 min
Retry PatternsLocked35 min
Timeout PatternsLocked35 min
Graceful DegradationLocked38 min
Load SheddingLocked35 min
Backpressure for ResilienceLocked35 min
Rate Limiting for ResilienceLocked38 min
Chaos EngineeringLocked40 min
Game DaysLocked35 min
Capacity PlanningLocked35 min
Performance BudgetsLocked35 min
Error BudgetsLocked38 min
SLO EngineeringLocked40 min
Toil ReductionLocked35 min
Canary DeploymentsLocked35 min
Blue-Green DeploymentsLocked32 min
Rolling DeploymentsLocked32 min
Feature Flags for ResilienceLocked30 min
Immutable InfrastructureLocked32 min
Infrastructure as CodeLocked35 min

security-testing-operations12 lessons

Code ReviewsLocked34 min
Static Code AnalysisLocked32 min
SASTLocked35 min
SCALocked36 min
Vulnerability ScanningLocked35 min
DASTLocked35 min
Penetration TestingLocked55 min
Red Team / Blue TeamLocked45 min
Bug Bounty ProgramsLocked35 min
SIEMLocked55 min
IDSLocked35 min
IPSLocked35 min

stream-batch-processing36 lessons

Batch ProcessingLocked46 min
Batch AnalyticsLocked38 min
ETLLocked36 min
ETL PipelineLocked44 min
ELTLocked32 min
Data CatalogLocked38 min
Metadata ManagementLocked34 min
Data LineageLocked37 min
MapReduceLocked67 min
Stream ProcessingLocked67 min
Real-Time AnalyticsLocked38 min
Stateless Stream ProcessingLocked32 min
Micro-BatchingLocked34 min
Window FunctionsLocked40 min
Tumbling WindowsLocked30 min
Hopping WindowsLocked32 min
Sliding WindowsLocked34 min
Session WindowsLocked36 min
Time-Based WindowsLocked34 min
Count-Based WindowsLocked32 min
Event Time vs Processing TimeLocked38 min
WatermarkingLocked36 min
Late Data HandlingLocked36 min
Out-of-Order ProcessingLocked34 min
Stateful Stream ProcessingLocked42 min
State Management in StreamsLocked40 min
Checkpointing StrategiesLocked38 min
Exactly-Once SemanticsLocked70 min
Stream JoinsLocked44 min
Change StreamsLocked38 min
Lambda ArchitectureLocked48 min
Kappa ArchitectureLocked44 min
Data MeshLocked52 min
Data FabricLocked48 min
Stream-to-Stream JoinsLocked50 min
Stream-to-Table JoinsLocked44 min