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One plan per interview loop. Each puts the site's questions, guides, quizzes and tools in a week-by-week order, easiest first, with the first week free. Pick the loop you are actually in.
Software Engineer
A six-week software engineer interview study plan: coding patterns week by week, then system design, low-level design and the behavioral round, with a free first week.
Also forBackend EngineerBackend DeveloperFull-Stack EngineerSite Reliability Engineer
A six-week Site Reliability Engineer interview study plan: SLOs and error budgets, capacity estimation, distributed systems, the operational design round, and coding.
Also forDevOps EngineerProduction EngineerSystems EngineerAI Engineer
A six-week AI engineer interview study plan: retrieval and numerical coding, LLM inference and serving, the AI system design round, and a training platform dry run.
Also forMachine Learning EngineerMLOps EngineerML Platform EngineerAI Infrastructure EngineerCloud AI EngineerCloud Architect
A six-week cloud architect interview study plan: the discussion round, service selection on managed services, migration sequencing, data platforms and cost.
Also forCloud Solutions ArchitectEnterprise ArchitectCloud Engineer
A six-week cloud engineer interview study plan: infrastructure as code, the platform and its delivery pipeline, rollouts and secrets, observability, recovery.
Also forInfrastructure EngineerDevOps EngineerPlatform EngineerCloud Infrastructure EngineerDeveloper Platform EngineerCloud Database Engineer
A six-week cloud database engineer interview study plan: storage engines and consistency, sharding and caching, transactions and queues, migrations and backups.
Also forDatabase EngineerDatabase Reliability EngineerThe one for the loop you are interviewing for. Each plan is sequenced for a specific role — a Site Reliability Engineer loop weights capacity estimation and the operational design round, a software engineer loop weights coding — so following the wrong one prepares you for the wrong rounds. If your role has no plan yet, its role path lists what the loop contains and which questions match it.
Week one of every plan is entirely free with no account, so you can judge the format before paying for anything. Later weeks include Pro questions and behavioral guides; the posts, concept pages, quizzes and tools in a plan stay free throughout.
Every plan compresses. Choose the number of weeks you have and the plan drops its optional steps first, never the core questions, then deals the rest into that many weeks. The resulting link is shareable.
It is worked out from the questions you have completed and the quizzes you have taken, not stored as a position in the plan. Work you did before the plan existed already counts, and a plan can be edited without moving anyone. Sign in to keep progress across devices; an anonymous visitor's completed questions count on the same device.
Every role on the site has a plan: software engineer, SRE, AI engineer, cloud architect, cloud engineer and cloud database engineer. Solutions architect loops are served by the cloud architect plan, which says so in its own FAQ. When a new role is added — a data engineer plan is the likely next one, once the question bank carries pipeline questions — it appears here first as a promise, then as a plan.