Principal Full Stack Software Engineer

New

SonderaAI security

Remote, United StatesFull-TimePrincipal

SalaryBase salary of $240,000–$280,000 USD, plus equity.

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Job Details

Have designed an API that others built on and evolved it without breaking existing users.
Ship typed backend code daily, from database to route.
Rust experience is ideal; strong Go, Java, or TypeScript engineers willing to learn Rust are also welcome.
Have built multi-tenant authorization and audit for people and machines.
Have shipped LLM features with tool calling and evaluation in production.
Use coding agents regularly and carefully review their output.
Own the code and approve every change to production.

Own the API service used by the web console, assistant, and agents over MCP.
Design a versioned API with a shared authorization model and audit record.
Build change requests with separate author, review, and activation rights, plus staged rollout and rollback.
Require a person's approval before assistant-proposed changes take effect.
Show the effect of policy changes on recorded agent activity before binding them.
Enable customers to deliver packages from the console without an engineer in the loop.
Keep the console fast for organizations running tens of thousands of agents.
Translate AI security research into enforceable, systems-level controls.

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