CareerPlan

Software Development Engineer

New York, New York, United StatesFull-time$158k–$214k2026-11-10 → 2026-11-12
Based in United States

Core

Design and develop highly scalable ad supply, rendering, and logging services using Large Language Models (LLMs) to deliver personalized ad experiences for Amazon shoppers and advertisers.

Role type

Senior Software Development Engineer (Distributed Systems & LLMs)

Builds

Scalable ad supply, rendering, and logging services for Sponsored Products and Brands

Domain

E-commerce advertising, distributed systems, Generative AI

Deliverable

production ML models

Required skills

Distributed systems design, Large Language Models (LLMs), C#/C++/Java/Perl, Object Oriented Design, System architecture, Code reviews, Mentoring

Preferred skills

Full software development life cycle, Machine Learning fundamentals, Transformer architecture, Continuous deployments, Operational excellence

Technologies

C#, C++, Java, Perl, LLMs, Transformer architecture

Responsibilities

Design and develop scalable services processing millions of requests daily, Solve complex distributed systems problems using LLMs, Deliver personalized ad experiences end to end, Partner with engineering and business teams to launch features at scale, Contribute to cross-org architectural initiatives, Keep high-TPS production systems reliable and performant, Mentor peers through design and code reviews