C

Composio

Agentic AI integration infrastructure platform

Research Engineer

AI ResearchConfirmed live in the last 24 hours
Full-timeSan Francisco, CA, USANo salary listedIn-person

About the Job

Requirements

  • The candidate can independently execute against research goals.
  • The candidate can prototype and test experiments quickly.
  • The candidate can work with product and engineering teams to take research ideas to production within days.
  • The candidate can write documentation well and explain complex ideas clearly.

Responsibilities

  • Build large evaluations using real tool-calling data to measure model performance in long-horizon tool execution.
  • Work on search problems for identifying semantically similar tools, cached tool-execution paths, and plans.
  • Train large agentic harness systems to improve session accuracy using millions of real tool calls as baseline data.
  • Perform supervised fine-tuning on agentic traces and reinforcement learning on agentic harnesses and application sandboxes.

About the Company

Composio

Agentic AI integration infrastructure platform

Composio provides an infrastructure platform that lets AI agents connect to external apps and services through a unified API, handling credentials and tool integrations for 250+ pre-built tools (like Salesforce, HubSpot, Gmail, and Slack). It adds a reinforcement learning layer so agents can learn from experience and share knowledge across the ecosystem, enabling better performance over time. The platform is framework-agnostic and works with LangChain, CrewAI, and OpenAI Agents, reducing integration friction and speeding up development from months to days. Its goal is to help enterprises deploy capable, integrated AI agents at scale by enabling collective learning and easier multi-tool coordination.

Company size
51-200
Company stage
Series A
Total funding
$25M
Headquarters
San Francisco, CA
Founded
2023

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