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Senior Software Engineer, Backend (AI Agent Runtime)

Cresta · Canada (Remote)

Senior Software Engineer, Backend (AI Agent Runtime) is open at Cresta in Canada (Remote). Posted on May 6, 2025, and still on Cresta’s careers page when we last checked, on Nov 14, 2026.

About the role

Build real-time AI agent infrastructure : Design and operate the stateful, low-latency runtime that powers voice and chat AI agents — from LLM streaming and conversation state management to graceful recovery and multi-channel support. Solve distributed systems problems : Own session management across scaled-out workers — including affinity, checkpointing, crash recovery, and consistency under concurrent access…

The opening lines of the posting. The rest is on Cresta’s careers page.

Hiring at Cresta

Cresta has 88 open roles right now, 72 of them remote. Most are in Engineering, Sales & Business Development and Marketing & Community. The median advertised salary across its roles with a published range is $220K. See all its roles

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