Member of Technical Staff - Research Engineer

composioΒ· Engineering
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πŸ“ sfFullTime

About this role

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.

What you'll do?

  • 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.

"Must haves"

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

  • research

    • 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 β€” you can write docs well and explain complex ideas clearly

  • human β€” you build trust and admit what you don’t know

Frequently Asked Questions

Is the salary disclosed for the Member of Technical Staff - Research Engineer position at composio?
The salary for this Member of Technical Staff - Research Engineer role at composio is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Member of Technical Staff - Research Engineer position at composio located?
This Member of Technical Staff - Research Engineer role at composio is based in sf. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Member of Technical Staff - Research Engineer role at composio full-time or part-time?
This is listed as a FullTime position. It is posted as a Member of Technical Staff - Research Engineer role in the Engineering department at composio.
Which team or department does the Member of Technical Staff - Research Engineer at composio belong to?
This Member of Technical Staff - Research Engineer position is part of the Engineering department at composio. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Member of Technical Staff - Research Engineer position at composio?
Click the "Apply Now" button on this page. You will be redirected to composio's official application portal hosted on ashby where you can submit your application directly.
When was the Member of Technical Staff - Research Engineer job at composio posted?
This Member of Technical Staff - Research Engineer position at composio was posted on Feb 10, 2026. Apply as soon as possible β€” early applications are often reviewed first.
Member of Technical Staff - Research Engineer
composio
Apply for this role β†—

You'll be redirected to composio's official application page on Ashby ATS.