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# Principal Software Engineer

- **Company:** Amazon.com, Inc.
- **Location:** Seattle, WA, United States
- **Experience:** Expert
- **Contract:** Internship / Graduate position
- **Skills:** Artificial Intelligence, Amazon Web Services, Computer Programming, Software Design Patterns, Fault Tolerance, Machine Learning, Software Engineering, Software Systems, AgentCore, Generative AI, Agentic-AI, Machine Learning Operations, Serverless Computing, Programming Languages
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/principal-software-engineer-seattle-wa--3dde867a-7bb5-4f56-9e5a-0f916e23f910

## About the Role

Software Engineering, Memory Hardware, Artificial Intelligence (AI) Agents, Technical Strategy, Standards Strategy, Technical Leadership, Artificial Intelligence (AI), Machine Learning, Amazon Web Services (AWS), Leadership, In this role, you will build a new AWS service that is going to be trend setting in the Gen AI field. This is an area that requires solving the hardest engineering challenges to enable machine learning powered solutions for our customers. As a tier zero Amazon service our solutions have to be scalable, efficient, and fault tolerant. Experience with machine learning systems is preferred, but not required. You will deliver some of our most strategic technical projects, deliver large scalable systems, design new software systems and have a significant bottom-line impact on our business and competitive position. In addition to delivering critical software, you will draw from a deep and broad technical expertise to mentor engineers and provide leadership on complex technical issues. This position within the Agentic AI team presents a unique and rare opportunity to get in on the ground floor within a fast growing business and help shape the technology, product and the business. A
successful candidate will bring deep technical and software expertise, desire to have an industry wide impact and ability to work within a fast moving, startup environment in a large company to rapidly deliver services that have a broad business impact.

Basic qualifications

12+ years of non-internship professional software development experience

8+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience

Experience as a mentor, tech lead or leading an engineering team

12+ years of programming with at least one software programming language experience

## Description

We are seeking technically deep Principal Engineer to drive the architecture, engineering strategy, and technical standards for AgentCore. AgentCore, is a comprehensive, modular platform for deploying and operating autonomous AI agents securely and at scale, providing serverless runtime, memory, identity, gateway, and observability components.

The Principal Engineer will be a hands-on technical leader, tackling the hardest, most ambiguous problems in the rapidly evolving Generative AI space, and setting the technical direction for a platform that is critical to accelerating customers" agents to production.