60-Day Interview Preparation Roadmap
A comprehensive 60-day plan to prepare for system design interviews at top tech companies.
Quick answer: 60-Day Interview Preparation Roadmap
60-Day Interview Preparation Roadmap is covered here as a practical system design learning roadmap. A comprehensive 60-day plan to prepare for system design interviews at top tech companies. Use it to sequence concepts, tradeoffs, and practice problems so learning compounds instead of becoming random reading.
Focus on the problem being solved, the main design choice, the failure mode, and the tradeoff you would defend in front of a senior engineer. This page is part of the DosiBridge system design knowledge graph, so it links related concepts, interview problems, tradeoffs, and references instead of leaving the topic isolated.
60-Day System Design Interview Preparation
This plan prepares you for system design interviews at FAANG and top tech companies. It builds on fundamental knowledge and focuses heavily on practice.
Phase 1: Foundations (Days 1-15)
Complete the 30-Day Roadmap's weeks 1-3 in 15 days (double the daily study time).
Phase 2: Distributed Systems (Days 16-25)
| Day | Topic | Time |
|---|---|---|
| 16 | Consistent Hashing | 60 min |
| 17 | Consensus Algorithms (Raft, Paxos overview) | 60 min |
| 18 | Service Discovery and Heartbeats | 45 min |
| 19 | Distributed Locking | 60 min |
| 20 | Circuit Breaker and Gossip Protocol | 45 min |
| 21 | Microservices vs Monolith | 60 min |
| 22 | Event-Driven Architecture | 60 min |
| 23 | Change Data Capture (CDC) | 45 min |
| 24 | Distributed Tracing | 45 min |
| 25 | Review: All distributed systems concepts | 90 min |
Phase 3: Interview Framework (Days 26-30)
| Day | Topic | Time |
|---|---|---|
| 26 | Step-by-step interview framework | 60 min |
| 27 | Back-of-envelope estimation practice | 60 min |
| 28 | API design practice | 60 min |
| 29 | Database schema design practice | 60 min |
| 30 | Communication strategy and time management | 60 min |
Phase 4: Easy Problems (Days 31-36)
One problem per day: URL Shortener, Autocomplete, Load Balancer, CDN, Key-Value Store, Authentication System.
Phase 5: Medium Problems (Days 37-48)
One problem per day: WhatsApp, Instagram, Netflix, Twitter, Notification Service, Job Scheduler, Rate Limiter, Payment System, Spotify, YouTube, E-Commerce, Digital Wallet.
Phase 6: Hard Problems (Days 49-56)
One problem per day: Uber, Google Docs, Google Maps, Dropbox, Distributed Web Crawler, Code Deployment, Cloud Storage, Ticket Booking.
Phase 7: Review and Mock Interviews (Days 57-60)
| Day | Activity |
|---|---|
| 57 | Review weakest areas, re-do 2 problems |
| 58 | Mock interview #1 with a friend |
| 59 | Mock interview #2 (different problem) |
| 60 | Final review, confidence building |