Two tracks. One roadmap.

System design fluency lands senior & staff roles. Gen AI & agentic systems are the next frontier. Both tracks are structured phase-by-phase so you build the right mental models first.

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2–3x salary jump
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AI is the next layer
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Stand out in interviews
80+ Concepts
2 Tracks
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  1. 01CAP theoremcore
  2. 02ACID vs BASEcore
  3. 03Latency vs throughputcore
  4. 04Consistency modelscore
  5. 05How the internet workscore
  6. 06Availability & fault tolerancecore
  1. 01Vertical vs horizontal scalingcore
  2. 02Load balancingcore
  3. 03Consistent hashingapplied
  4. 04Sharding & partitioningapplied
  5. 05Replication strategiesapplied
  6. 06Stateless vs statefulcore
  1. 01SQL vs NoSQLcore
  2. 02Indexing internalsapplied
  3. 03Cache patternscore
  4. 04Cache eviction policiesapplied
  5. 05CDN & edge cachingapplied
  6. 06Schema migrationsapplied
  7. 07Read replicasapplied
  8. 08Object vs block storagecore
  9. 09Time-series databasesadvanced
  10. 10Search enginesadvanced
  1. 01REST vs GraphQL vs gRPCcore
  2. 02Rate limiting algorithmsapplied
  3. 03Webhooks, SSE & WebSocketsapplied
  4. 04API versioningapplied
  5. 05Idempotencyapplied
  6. 06Pagination patternscore
  7. 07API gateway patternsadvanced
  1. 01Message queuescore
  2. 02Kafka internalsadvanced
  3. 03Inbox/Outbox patternapplied
  4. 04Pub/Sub patternapplied
  5. 05Saga patternapplied
  6. 06Event sourcing & CQRSadvanced
  7. 07Distributed consensusadvanced
  8. 08Leader electionadvanced
  9. 09Circuit breakerapplied
  10. 10Lamport & vector clocksadvanced
  1. 01JWT architecturecore
  2. 02OAuth 2.0 & OIDCcore
  3. 03mTLSadvanced
  4. 04Logging, metrics & tracingcore
  5. 05SLI / SLO / SLAapplied
  6. 06Multi-region architectureadvanced
  7. 07Blue-green & canary deploysapplied
  8. 08Disaster recoveryadvanced
  9. 09Serverless tradeoffsapplied
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