Loading…
Blog
Direct guides on the parts of system design prep that usually stay vague: how to practice, how interviewers grade, how to approach common prompts, and what to study after a miss.
A four-week roadmap for system design interview preparation that balances concepts, problem practice, estimation, and mock interviews.
A concrete answer structure for system design interviews: scope, numbers, contracts, data, architecture, scale, failures, and trade-offs.
The mistakes that make system design answers feel weak: vague scope, unused estimates, fashionable components, missing failures, and thin trade-offs.
A practical URL shortener walkthrough covering scope, key generation, storage, redirects, caching, abuse, and analytics trade-offs.
A rate limiter system design guide covering requirements, token bucket vs sliding window, distributed counters, Redis, consistency, and abuse trade-offs.
A notification system design guide covering preferences, fan-out, queues, provider failures, idempotency, retries, and delivery analytics.
A practical guide to estimating QPS, storage, bandwidth, memory, and peak traffic in system design interviews without getting lost in math.
How to design APIs in system design interviews: resources, idempotency, pagination, errors, versioning, async workflows, and contracts.
A practical loop for turning open-ended system design practice into measurable improvement: attempt, checkpoint, study, and retry.
The core checkpoints interviewers grade in senior system design rounds, from requirements and estimates to data, reliability, and trade-offs.
A triage guide for turning a weak system design interview into a focused study plan instead of rereading the same broad resources.