The Allen Institute for AI
Senior Software Engineer, Agent Platform (AI for the Planet)
$147K–$220K
Seattle, WA +1 · Senior · Full-time · Posted Aug 7, 2026
- Location
- Seattle, WA
Seattle, WA, United States - Experience
- 8+ years of professional software engineering experience.
- Visa sponsorship
- The employer participates in E-Verify to confirm work authorization in the U.S.
About the job
Build and operate a platform that lets external organizations create, deploy, monitor, and evaluate AI agents on their own systems and data.
What you'll do
- Develop platform capabilities and authoring interfaces, including UI, CLI, SDK, APIs, documentation, and evaluation tools.
- Build and operate internal agents in production and improve the platform based on direct work with partner users.
- Collaborate on product priorities, resolve user blockers, and develop small tools that improve team efficiency.
What they ask for
- Experience across web UIs, backend services, CLIs, and cloud tooling.
- Track record of shipping products to external users and communicating directly with them.
- Write clean, tested code; review code; and exercise good judgment on priorities and API design.
- Daily use of AI coding tools such as Claude Code, including creating skills or tools; willingness to write documentation and communicate clearly.
Nice to have
- Experience building developer tools, CLIs, SDKs, or public APIs; building or running LLM agents; or building evaluation or experimentation systems.
- Small or growth-stage company experience, public technical work, or willingness to travel occasionally.
Pay
$146,880 - $220,320 USD base salary
Tools
Claude Code
AI focus
Build and operate agentic tools and an agent platform; develop internal LLM agents and tools for authoring, deployment, evaluation, and monitoring.
Model-written summary · the original posting is authoritative