Autonomous Web Engineer for Kiro Platform

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

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Parental leave

Job summary

Amazon Development Center U.S., Inc. in Seattle seeks engineers to shape Kiro, an autonomous developer tool that tackles tasks, maintains context, and learns continuously.

You will build the web server, orchestration layers, and distribution systems, solving novel AI/software engineering challenges at scale and with reliability. Join a team solving problems at the intersection of AI and software, delivering features from day one, with collaboration, mentorship, and opportunities to lead projects

Qualifications

• 3+ years of non-internship professional software development experience.
• 2+ years of design or architecture experience for scalable systems.
• 1+ years of software development engineer or related occupational experience.
• 1+ years of designing and developing large-scale distributed software applications/tools.
• 1+ years of Object Oriented Design experience.
• Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field.
• Experience programming with at least one software programming language.

Responsibilities

• Build and maintain the Kiro Web server (Fastify/Node.js/TypeScript) — session manager, ACP client adapter, WebSocket gateway, and REST API
• Implement the process-per-session architecture: spawning kiro-cli ACP child processes and managing JSON-RPC communication
• Build the multi-agent team orchestration layer — team session lifecycle and parallel dispatch
• Design and implement the WebSocket fan-out system for notifications
• Build and operate Kiro's multi-platform distribution system — metadata services and CDN configuration
• Implement tool approval interception and relay user decisions to agents
• Write comprehensive tests, monitor/alerting, and on-call participation
• Contribute to API design, architecture reviews, and team technical direction

Skills

Software development

Architecture design

OO design

C#

C++

Perl

Education

Bachelor's degree in CS/Engineering/Mathematics

Tools

JSON-RPC 2.0

WebSocket

TypeScript

Node.js

Fastify

Job description

Amazon Development Center U.S., Inc. in Seattle seeks engineers to shape Kiro, an autonomous developer tool that tackles tasks, maintains context, and learns continuously.

You will build the web server, orchestration layers, and distribution systems, solving novel AI/software engineering challenges at scale and with reliability. Join a team solving problems at the intersection of AI and software, delivering features from day one, with collaboration, mentorship, and opportunities to lead projects