Amazon SDE II Interview — Updated August 2026
The SDE II loop in depth — coding, system design and Leadership Principles at the mid-senior software level.
SDE II is where system design starts to carry real weight alongside strong coding, and where ownership and delivery stories need genuine scope. Here is what the loop tests and how to prepare.
The Amazon SDE II interview process typically includes an Online Assessment or technical phone screen followed by a loop of coding and data-structures rounds, at least one system design round, and multiple behavioral Leadership Principles conversations with a Bar Raiser. At SDE II, interviewers expect solid design judgment (APIs, data model, caching, queues, failure modes, trade-offs), clean and efficient code, and ownership stories with real scope and measurable results. Commonly emphasized LPs: Ownership, Dive Deep, Deliver Results, Bias for Action and Customer Obsession. Exact rounds vary by team and location.
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A clear, current walkthrough of how Amazon interviews this role — application, Online Assessment where applicable, phone screen, the on-site/virtual loop, and the Leadership Principles that carry the most weight. The sequence varies by team, level and location.
The signals interviewers and the Bar Raiser look for — technical depth, ownership, judgment under ambiguity, and measurable results — with the common mistakes that sink otherwise strong candidates.
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