Principal Software Engineer
Confirmed on the employer's own hiring board on Oct 20, 2026. First seen by Alion on Oct 19, 2026. Amazon scores B on the Alion truth index.
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.
Key job responsibilities
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
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
Preferred qualifications
Bachelor's degree in computer science or equivalent
10+ years of highly scalable systems experience
15+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.
USA, CA, Santa Clara - 230,100.00 - 311,200.00 USD annually
USA, NY, New York - 220,100.00 - 297,700.00 USD annually
USA, WA, Seattle - 200,100.00 - 270,600.00 USD annually