Sr. Software Development Engineer, Kiro Web
Amazon Development Center U.S., Inc.•3h ago
United StatesOnsiteFull-timeSenior Level5+ yrs exp
H-1B verified · 2310 LCAs
Top focus
Software EngineerSoftware Engineer IiSenior Software EngineerWeb Developer
- The future of software development is agentic. AWS is building Kiro — a frontier AI-powered development environment that autonomously tackles development tasks, maintains context across interactions
- continuously learns from its work. Kiro is already transforming how developers build and maintain software
- we're just getting started. We're looking for a Senior Software Development Engineer to be a technical leader on the Kiro Web team. You'll own the full-stack architecture of a system that's genuinely novel: a web application that orchestrates teams of AI agents collaborating on code in real time, with dynamic topology control, inter-agent communication, streaming visual interfaces
- tool approval workflows — all built on the Agent Client Protocol (ACP). You'll make the hard architectural decisions: how to scale the process-per-session model as users run dozens of concurrent agents, how to design the state synchronization between server-side ACP processes and browser-side React stores, how to architect the multi-agent team orchestration layer so that agents can dynamically activate/deactivate teammates and modify communication topologies at runtime
- how to build enterprise features (multi-tenant, RBAC, usage metering) without compromising the localhost-first simplicity that makes Kiro Web fast and ergonomic. Your influence will define the team's technical trajectory. You'll mentor engineers across the full stack, lead design reviews, drive cross-team initiatives with the Kiro CLI and Kiro IDE teams
- translate ambiguous product requirements into concrete systems. When novel problems emerge — and they will, because multi-agent orchestration UIs are a new category — you'll be the one who designs the solution. This is your chance to lead the engineering that powers the agent that builds the future. About the team Kiro Web builds the browser-based experiences and orchestration platform for Kiro. We own: (1) Kiro Web — a full-featured local web application for managing AI coding agent sessions with real-time streaming, multi-agent team orchestration, dynamic topology control, tool approval, diff views
- session resume, (2) the kiro.dev public portal (downloads, docs, changelog, pricing on Harmony)
- (3) emerging enterprise console experiences. Our stack: React 19, TypeScript, Vite, Fastify, Node.js 22, TailwindCSS v4, Zustand, WebSockets, JSON-RPC 2.0, pnpm monorepo. We're ~15 engineers between Seattle and Portland building a genuinely new category of developer tool interface.
- 5+ years of non-internship professional software development experience - 5+ years of programming with at least one software programming language experience - 5+ 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
- 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing
- operations experience - Bachelor's degree in computer science or equivalent Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability
- other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner. 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
- 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
- parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits . USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually
Required skills
JavaScriptTypeScriptReactNode.jsAWS