Senior Software Engineer, Agent Platform (AI for the Planet)

The role

You will build and evolve a platform for conservation groups, government agencies, and research organizations to run AI agents. This involves working across core services, UI, API interfaces, and documentation. You will also develop and operate internal agents on the platform.

What you will do

• Build and evolve the platform's core capabilities and interfaces.
• Own the experience of authoring agents on the platform.
• Build the UI, CLI, and SDK used to deploy agents and run evals.
• Develop and operate internal agents on the platform in production.
• Write documentation, quickstarts, and example agents.
• Decide with the team what to work on next and fix user blockers.
• Write small tools and skills to make the team faster.
• Meet with partners on site to turn problems into platform improvements.

Required qualifications

• 8+ years of professional software engineering experience.
• Experience across the stack: web UIs, backend services, CLIs, and cloud tooling.
• Track record of shipping products to external users and talking with them directly.
• Good judgment about priorities.
• Clean, tested code.
• Experience reviewing other people's code.
• Opinions about API design.
• Daily use of AI coding tools such as Claude Code.
• Willingness to write documentation as part of the work.
• Clear technical communication with engineers and non-engineers.

Nice to have

• Experience building developer tools, CLIs, SDKs, or public APIs for outside users.
• Experience building or running LLM agents, including prompts, tools, and evals.
• Experience building evaluation or experimentation systems.
• Small or growth-stage company experience.
• Public technical work such as open source contributions, writing, or side projects.
• Willingness to travel on occasion.

Benefits

• Medical, dental, and vision coverage.
• Employee assistance program.
• Health savings account plan.
• Healthcare reimbursement arrangement plan.
• Health care and dependent care flexible spending account plans.
• 401k plan.
• $125 per month for commuting or internet expenses.
• $200 per month for fitness and wellbeing expenses.
• Up to ten sick days per year.
• Up to seven personal days per year.
• Up to 20 vacation days per year.
• Twelve paid holidays per year.

About the company

Ai2 is a Seattle based non-profit AI research institute founded in 2014 by the late Paul Allen. Its mission is building breakthrough AI to solve the world’s biggest problems.