Amazon SDE on Selling Partner Financial Technology — distributed storage/query systems for seller-facing products

A mid-level SDE interview for Amazon's Selling Partner Financial Technology team in Vancouver, focused on building distributed storage, index, and query systems and running predictions on distributed systems at scale for seller-facing products. Expect an Amazon-style loop pairing coding fundamentals with system design and Leadership Principles behavioral questions, calibrated to the 3+ years professional / 2+ years design-architecture bar in the JD.

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What this interview tests

Distributed storage, indexing, and query system design
Working with broadly-defined, ambiguous problem statements
Fast, iterative delivery in an agile environment
Cross-disciplinary collaboration to bring new products to market
Fundamentals: coding, design patterns, reliability and scaling

Common question themes

Design a distributed, fault-tolerant storage or query system for a financial/seller product

How do you turn a broadly-defined problem into a concrete technical design

Tell me about shipping a feature in a fast, weeks-not-years development cycle

Describe collaborating with cross-disciplinary partners to launch a new product

Coding: implement and reason about a data structure or algorithm under scale constraints

How candidates describe it

Real Software Development Engineer interview stories — retold from candidates' public write-ups, with sources.

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