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Senior Research Engineer

Decagon · San Francisco
$200K - $400KOpen 449 daysEquityParental leaveSeniorPythonLLM

Senior Research Engineer is open at Decagon in San Francisco. The posting gives a salary of $200K - $400K. Posted on Aug 22, 2025, and still on Decagon’s careers page when we last checked, on Nov 14, 2026.

About the role

As a Senior Research Engineer, you’ll be responsible for building industry-leading conversational AI models that power Decagon’s agent, and taking them all the way from idea to production. You’ll own multi-quarter initiatives that push the agent’s reliability, capability, and efficiency forward, and you’ll design and implement frontier approaches for training, evaluation, and orchestration across the system. We’re…

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

Hiring at Decagon

Decagon has 124 open roles right now, 7 of them remote. Most are in Engineering, Sales & Business Development and Data & Research. The median advertised salary across its roles with a published range is $240K. See all its roles

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