Own the charge calculation systems at the core of Amazon's end-to-end ordering workflow

Amazon's Charge Calculation team, part of the eCommerce Ordering Services group, owns the systems that calculate charges and produce charge summaries across the full purchase lifecycle, plus the model defining charge representation used by many upstream and downstream services. This SDE role is squarely large-scale distributed systems engineering — design, ownership, and end-to-end impact on a critical piece of the retail ordering pipeline.

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Likely format

Typical Amazon SDE loop: online assessment/phone screen, then onsite/virtual loop with coding, system design, and Leadership Principles behavioral rounds including a bar raiser.

What this interview tests

Distributed system design for financial/charge calculation correctness
Managing blast radius when core shared models change across many consumers
Object-oriented design and architecture fundamentals
End-to-end ownership: design through coding, testing, deployment, operations
Full software development life cycle discipline (code review, source control, testing)

Common question themes

Design a charge calculation or order-summary service used by many downstream teams

Object-oriented design coding round

How do you roll out a breaking change to a shared data model safely

Amazon Leadership Principles behavioral interview

Discuss ownership of a system end-to-end, including testing and operational excellence

How candidates describe it

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

Amazon · SDE I (New Grad, MS CS)Offer

Amazon SDE 1 new grad loop: three online assessments, three interviews, offer in five days

A master's new grad went through Amazon's full three-part online assessment and three 45-minute virtual interviews. Every round opened with Leadership Principles questions before the coding began, and the offer landed within five business days.

Interviewed October 2019 · Seattle, WA, US

Amazon · SDE I (New Grad)Offer

Amazon SDE 1 new grad interview: one OA, four back-to-back onsite rounds, offer

A fresher found the posting through a LinkedIn connection, cleared the OA within a week of applying, and faced a six-hour virtual onsite: four one-hour rounds where every behavioral answer drew three to four follow-up questions.

Interviewed January 2021 · Seattle, WA, US

Amazon · SDE INo offer

Amazon SDE I Interview Experience: Global Selling Team, 2022

A LinkedIn referral bypassed Amazon's usual online assessment for this SDE I candidate, who then worked through a telephonic DSA screen and two technical rounds pairing coding problems with Amazon Leadership Principles questions before receiving no further response.

Interviewed March 2022 · Not specified

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All Amazon Software Development Engineer interviews

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