Senior LLM-Powered Backend Engineer

Amazon; Seattle (WA); On-site; USD 168,000 - 227,000; Full time

Job summary

Amazon.com Services LLC in Seattle seeks a seasoned Software Development Engineer to architect, design, and build backend services powering agentic AI applications using large language models. You will develop scalable API surfaces, distributed systems, and real-time processing pipelines to deliver responsive experiences for customers.

Join a fast-paced team of engineers, scientists, and TPMs to shape the technical roadmap, improve reliability, and enable new AI features.

Qualifications

• 5+ years of non-internship software development experience.
• 5+ years programming in at least one language.
• 5+ years leading design or architecture of new and existing systems.
• Experience as a mentor, tech lead or leading an engineering team.
• Knowledge of Machine Learning and LLM fundamentals, including transformer architecture, training/inference lifecycles, and optimization techniques.

Responsibilities

• Architect, design, and develop agentic services and applications powered by large language models.
• Build expertise in online service architecture, API development, and distributed systems for real-time AI apps.
• Contribute to technical roadmap, service reliability metrics, and optimizations for intelligent agents.

Skills

Software development

Leadership / mentoring

LLM fundamentals

Transformer architecture

API design

Tools

Model deployment

GPU clusters

TensorRT

vLLM

Job description

Amazon.com Services LLC in Seattle seeks a seasoned Software Development Engineer to architect, design, and build backend services powering agentic AI applications using large language models. You will develop scalable API surfaces, distributed systems, and real-time processing pipelines to deliver responsive experiences for customers.

Join a fast-paced team of engineers, scientists, and TPMs to shape the technical roadmap, improve reliability, and enable new AI features.