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Software Development Engineer, Seller Economics & Fees

Amazon.com • Seattle, WA, US • published 2026-10-09 15:03:12.389611

Description

**DESCRIPTION** --------------- Are you an SDE II who thrives on end\-to\-end ownership, gets energized by problems where correctness actually matters, and wants to work on systems that are actively being reimagined and not just maintained? This role might be for you. On Fee Tech, you will own systems that 2\+MM sellers depend on daily to understand, predict, and act on their economics. The work is genuinely end\-to\-end: you design, build, ship, and operate. Our systems process \~68\.5B transactions and used across 23 countries. The engineering model is changing fast: we are rebuilding how fee policy is expressed, deployed, and validated using AI agents, formal verification (SMT), and self\-improving RL loops. You will work alongside senior and principal engineers, product managers, applied scientists, and ML engineers across the full fee lifecycle — from the Fee Calculation Engine through ML\-based item classification to seller\-facing AI surfaces and the agentic infrastructure beneath them. If you are the kind of engineer who wants to see the direct impact of what you ship, you will see it here. Key job responsibilities * Design and implement software solutions for major feature...

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