Software Engineer, AI Agent

Most AI agents are wrappers around a model. You're here to build something that actually thinks. If you want to work at the frontier of agentic AI — not prototype it, but ship it at scale — read on.

The Company 

Sendbird is on a mission to build the AI workforce of tomorrow. For over a decade, we built the infrastructure behind conversations—chat, voice, video, messaging APIs—and became the #1 CPaaS platform for in-app communications. 4,+ brands trust us. 7 billion messages flow through our platform every month. million monthly active users.

We powered conversations for DoorDash, Match Group, Noom, Yahoo Sports, Rakuten, and thousands of others. We were good at what we did. Really good.

We also saw it early: AI would fundamentally reshape how businesses talk to customers. The infrastructure we'd spent a decade building would become commoditized. The value would move up the stack—into intelligence, into experience, into outc...