Prep Hub
Structured strategy guides, interview frameworks, and resources for senior engineers targeting L5+ roles at top-tier companies. No fluff, no filler.
LinkedIn System Design Interview Staff SDE Guide
Prepare for the LinkedIn system design interview Staff SDE with LLD-to-HLD strategies, graph platform design, and leadership prep from ex-FAANG engineers.
Stripe System Design Interview L4-L5 Guide (2026)
Prepare for the Stripe system design interview L4-L5 with ledger architecture, API evolution, regulatory design, and frameworks from ex-FAANG engineers.
LinkedIn System Design Interview SDE Guide (2026)
Prepare for the LinkedIn system design interview SDE with social graph strategies, feed ranking design, and a step-by-step framework from ex-FAANG engineers.
LinkedIn System Design Interview Senior SDE Guide
Expert guide to the LinkedIn system design interview Senior SDE. Covers graph ranking, feed architecture, and trade-off strategies from ex-FAANG engineers.
Stripe System Design Interview L2-L3 Guide (2026)
Prepare for the Stripe system design interview with payments-focused strategies, idempotency patterns, Bug Bash prep, and a framework from ex-FAANG engineers.
Netflix System Design Interview L4 Guide (2026)
Prepare for the Netflix system design interview L4 with Netflix-specific strategies, real questions, and a conversational framework from ex-FAANG engineers.
Netflix System Design Interview L6 Guide (2026)
Prepare for the Netflix system design interview L6 with staff-level strategies, real questions, executive round prep, and frameworks from ex-FAANG engineers.
Uber System Design Interview L5 Guide (2026)
Expert guide to the Uber system design interview L5. Covers HLD-to-LLD depth, marketplace design, dispatch systems, and prep from ex-FAANG engineers.
Uber System Design Interview L4 Guide (2026)
Prepare for the Uber system design interview L4 with geospatial strategies, real questions, ride-matching design, and a framework from ex-FAANG engineers.
Netflix System Design Interview L5 Guide (2026)
Expert guide to the Netflix system design interview L5. Covers two-round format, real questions, verbal design strategy, and prep from ex-FAANG engineers.
Uber System Design Interview L6 Guide (2026)
Prepare for the Uber system design interview L6 with platform-scale strategies, marketplace design, dispatch architecture, and prep from ex-FAANG engineers.
Apple System Design Interview ICT3 Guide (2026)
Prepare for the Apple system design interview ICT3 with device-first strategies, real questions, and a privacy-aware framework from ex-FAANG engineers.
Apple System Design Interview ICT4 Guide (2026)
Expert guide to the Apple system design interview ICT4 (2026). Covers trade-offs, sync design, and privacy architecture.
Microsoft System Design Interview L59-60 Guide (2026)
Prepare for the Microsoft system design interview at L59-60 with OOD strategies, real questions, and a step-by-step framework from ex-FAANG engineers.
Microsoft System Design Interview L63-64 Guide (2026)
Expert guide to the Microsoft system design interview at L63-64. Covers architecture, Azure-aware design, trade-offs, and preparation from ex-FAANG engineers.
Microsoft System Design Interview L61-62 Guide (2026)
Prepare for the Microsoft system design interview at L61-62 with LLD and HLD strategies, real questions, and a dual framework from ex-FAANG engineers.
Apple System Design Interview ICT5 Guide (2026)
Prepare for the Apple system design interview ICT5 with staff-level strategies, real questions, and advanced frameworks from ex-FAANG engineers.
Amazon System Design Interview L4 Guide (2026)
Prepare for the Amazon system design interview L4 with expert strategies, real question examples, and a step-by-step framework from ex-FAANG engineers.
Amazon System Design Interview L5 Guide (2026)
Expert guide to the Amazon system design interview L5. Covers HLD, LLD, real questions, step-by-step framework, and preparation plan from ex-FAANG engineers.
Amazon System Design Interview L6 Guide (2026)
Prepare for the Amazon system design interview L6/SDE-3 with advanced strategies, real L6 questions, and a step-by-step framework from ex-FAANG engineers.
Google System Design L4 Guide 2026
Prepare for the Google system design interview 2026 at L4. Learn what Google evaluates, common questions, a step-by-step framework, and how to pass.
Google System Design Interview L5 Guide 2026
Prepare for the Google system design interview at L5. Covers evaluation criteria, question types, step-by-step framework, and mistakes to avoid.
Google System Design Interview L6 Guide 2026
Prepare for Google's L6 system design interview with Staff-level strategies, real question patterns, and a structured study plan from ex-FAANG engineers.
Meta System Design Interview L5 Guide 2026
Prepare for the Meta system design interview at L5. Covers evaluation criteria, real questions, step-by-step framework, and mistakes to avoid.
Meta System Design Interview L6 Guide 2026
Prepare for the Meta system design interview at L6. Staff-level expectations, real questions, common mistakes, and a structured preparation plan.
Meta System Design Interview L4 Guide 2026
Prepare for Meta's L4 system design interview with specific questions, evaluation criteria, and a step-by-step framework from ex-FAANG interviewers.
System Design Interview Checklist
Eight categories that must be addressed in every system design interview. Use this as a pre-interview audit to identify gaps, not a during-interview crutch.
Behavioral Interview Mastery: Why Most STAR Answers Fail
Most STAR answers fail not on structure but on the Result. How to construct behavioral answers that score at L5+, covering the specific elements interviewers are checking for that 80% of candidates miss.
The 45-Minute System Design Framework
A repeatable time-boxed framework for structuring any system design interview. Covers scoping, estimation, API design, and deep dives, with exact minute allocations for each phase.
Free Resource
Get the System Design Checklist
The 8-category pre-interview checklist used by engineers who landed offers at Meta and Google. Free, no spam.