composio
composio2mo ago
New

Member of Technical Staff - Research Engineer

San Franciscofull-timelead
OtherMember Of Technical Staff
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Quick Summary

Overview

At Composio, we are building infrastructure that allows agents to communicate with the tools you use for work including Github, Gmail, Notion, Salesforce, etc.

Technical Tools
hubspotnotionsalesforcevercelzoom

At Composio, we are building infrastructure that allows agents to communicate with the tools you use for work including Github, Gmail, Notion, Salesforce, etc. We are a small team of engineers wrangling problems from context to search, that help us provide the most capable bridge between your agents and your tools.

We raised a $25M Series A from Lightspeed with some incredible angels like Guillermo Rauch (CEO of Vercel), Dharmesh Shah (CTO of Hubspot), Gokul Rajaram. Beginning of this year we 3x our ARR, our customer range from your friends in the YC batch to Wabi, Glean, Zoom and many more.

Responsibilities

~1 min read
  • build large evals with real tool calling data, measuring where models suck in long horizon tool execution

  • work on search problems for finding semantically similar tools and cached tool execution paths and plans.

  • train large agentic harness systems to improve session accuracy with millions of real tool calls as baseline data

  • SFT on our agentic traces and RL models on top of our agentic harness and app sandboxes.

Requirements

~1 min read

if you are very good, nothing is a must per-se

  • you can independently execute against the research goals

  • you can prototype and test experiments very quickly

  • you can work with product and engineering teams to take research ideas to production in a matter of days

  • typist — you can write docs well and explain complex ideas clearly

  • human — you build trust and admit what you don’t know

  • Location & Eligibility

    Where is the job
    Sf
    On-site at the office
    Who can apply
    Same as job location

    Listing Details

    Posted
    February 10, 2026
    First seen
    May 6, 2026
    Last seen
    May 8, 2026

    Posting Health

    Days active
    0
    Repost count
    0
    Trust Level
    12%
    Scored at
    May 6, 2026

    Signal breakdown

    freshnesssource trustcontent trustemployer trust
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    composioMember of Technical Staff - Research Engineer