Drimva

Amazon

Sr. Front End Engineer, AWS Agentic AI Automated Reasoning (AR)

$168K–$250K

Seattle, WA +1 · Senior · Full-time · Posted Aug 25, 2026

Location
Seattle, WA
New York, NY
Experience
4+ years of non-internship professional front-end, web, or mobile software development; 5+ years creating enterprise application or workflow prototypes or wire-frames.

About the job

Designs and operates a customer-facing agent safety platform that lets customers define, simulate, manage, and audit boundaries for AI agents.

What you'll do

  • Build policy authoring, management, audit, and agent simulation components.
  • Deliver agent safety experiences in products such as Kiro, Quick, and other agentic platforms.
  • Operate the platform, mentor junior engineers, and contribute to technical design reviews and engineering practices.

What they ask for

  • 4+ years of non-internship professional front-end, web, or mobile software development using JavaScript, HTML, and CSS.
  • 5+ years creating prototypes or wire-frames for enterprise web applications or workflows.
  • Experience developing with MVC/MVM frameworks such as React.JS, AngularJS, or Vue.

Nice to have

  • Knowledge of web services technologies such as SOAP, HTTP, WSDL, XSD, and REST.
  • Experience with a broad range of software design approaches and common UX patterns.

Pay

184,900.00 - 250,200.00 USD annually (base salary); 168,100.00 - 227,400.00 USD annually (base salary)

Tools

JavaScript, HTML, CSS, React.JS, AngularJS, Vue, SOAP, HTTP

AI focus

Builds an agent safety platform using Automated Reasoning and NeuroSymbolic AI to help ensure agents operate within customer-defined boundaries.

Model-written summary · the original posting is authoritative

First seen Oct 15, 2026 · Last verified Nov 5, 2026 (UTC)