Backend Engineer: AI Agent Orchestration & WebSocket Engine

Amazon Web Services (AWS); Portland (OR); On-site; USD 144,000 - 194,000; Full time

Benefits offered by this job

Health insurance

RSUs

401(k) matching

Job summary

Amazon Development Center U.S., Inc. in Portland, OR is hiring a Software Development Engineer to build the Kiro Web server and backend systems. You’ll spawn and coordinate kiro-cli processes, handle JSON-RPC messaging, and create a WebSocket gateway for real-time notifications.

Responsibilities include team-session orchestration, tool-approval interception, and REST APIs for multi-agent coordination, with a distribution system delivering Kiro worldwide. Strong systems experience required.

Qualifications

• 3+ years of professional software development experience.
• 2+ years in design or architecture of large systems.
• 1+ years in developing distributed software services.
• Experience in OO design and multiple languages.
• Bachelor’s degree in CS/Engineering/Math or equivalent.

Responsibilities

• Build and maintain Kiro Web server with backend components.
• Manage per-session processes and ACP communication.
• Develop multi-agent orchestration and routing.
• Design WebSocket fan-out for real-time updates.
• Deliver multi-platform distribution and release automation.

Skills

3+ years software development

2+ years design/architecture

1+ years distributed systems

OO design

Bachelor's degree in CS/Engineering/数学

Experience in C#/C++/Java/Perl

Programming in at least one language

Education

Bachelor's degree in Computer Science, Engineering, Mathematics

Tools

TypeScript

Node.js

Fastify

WebSockets

JSON-RPC 2.0

CloudFront

Job description

Amazon Development Center U.S., Inc. in Portland, OR is hiring a Software Development Engineer to build the Kiro Web server and backend systems. You’ll spawn and coordinate kiro-cli processes, handle JSON-RPC messaging, and create a WebSocket gateway for real-time notifications.

Responsibilities include team-session orchestration, tool-approval interception, and REST APIs for multi-agent coordination, with a distribution system delivering Kiro worldwide. Strong systems experience required.