Your brand on every pageBecome a sponsor โ†’
composio logo

Member of Technical Staff - Research Engineer

Composio

sf

Research Science

Posted 8 months ago

staffunknown

Verified open on Oct 4, 2026 ยท posted 236 days ago

Job Description

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

  • human โ€” you build trust and admit what you donโ€™t know

Share this role:WhatsAppLinkedInX

Not ready to apply?

Get new Research Science jobs in your inbox

Join 100+ AI professionals ยท Weekly, free, unsubscribe anytime

Career context

This role is classified as Research Science.

$222k - $348k is the middle 50% of disclosed salaries, measured from 273 live Research Science postings on this board. Roughly two thirds of postings disclose nothing, so this describes the ones that do, not the whole market.

Share your AI salary

Anonymous. No login, no name, no email required. It takes about 20 seconds, and it is how this board builds real pay data for AI roles instead of guesses.

Before bonus and equity.

Hiring for a role like this?

Reach AI professionals browsing the board - your listing goes live instantly.

Post a job โ†’

Related AI jobs

Join 100+ AI professionals. Get the week's new AI jobs in your inbox. Free, unsubscribe anytime.