Built for the era of AI-native hiring
Your AI recruiting engine, powered by expert recruiters to fill critical roles faster
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recruiter efficiency with contrario
0x

Cheaper than TRADITIONAL recruiting
0%

majority of candidates interviewed
0%
Backed by
Y
Combinator
Trusted Teams Hiring with Contrario
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Post your role and we'll assign vetted startup recruiters
to source you top-tier candidates
Slash, Inc.
Strong builder/founder experience — ideally a founder or founding engineer with real traction and deployed projects
Willing to work in a fast-paced, high-ownership startup culture + articulate startup challenges they’ve navigated
Our Recruiting Pillars
1

Growth Stage Startups
2

Early Stage Startups
3

Product-Led Teams
4

YC-Backed Startups
5

AI Labs & LLM Training
Hire in Days with Contrario
We help you avoid losing weeks or months chasing the wrong candidates. After a short intake, we lock in your exact hiring needs and quickly calibrate qualified profiles so your team can stay focused on building.
01
Put Up Your Hard to Fill Positions
02
Get Qualified Leads from Expert Recruiters
03
Interview and Hire with Confidence
Record a quick intake video with our team. We’ll turn it into a structured job post with candidate requirements, ideal companies, and more—so recruiters can start sourcing right away.

Hire with confidence
Want to get paid on Contrario?
Help fast-growing startups hire while keeping full control of your time and pay.
Built-in Advantages with Contrario
Work with world class recruiters
Whether you're hiring founding engineers or data labelers, we’ve built a vetted network of experienced recruiters to fill any role you need help with.


Flex based on your hiring urgency
Dynamically adjust the number of roles posted and the total firepower of sourcing you want for any given role.
Use a high-signal recruiting stack
Tap into the output of a full-stack recruiting team without overhead. Have one point of contact with streamlined execution.


Seamlessly integrate with your hiring tools
No added lift. We connect directly to your ATS, Slack, email, and calendar—so your workflow stays clean and familiar.
What Our Clients Say About Us
Build Early Stage Teams

Full-stack Developer

Front-end Developer

Back-end Developer

Mobile Developer

Instruction Tuner

Devops Engineer

Prompt Rater

AI Developer

Machine Learning Engineer

Technical Account Executive

Multilingual Annotator
Product Designer
Code Evaluator

Automation QA
Looking for other role?
Place request
Hire Engineers by Skills

React

Typescript

Python

Node.js

AWS

Next.js

Model Evals

JavaScript

React Native

Prompt Engineering

Kick off your search.
Chat with Contrario to see how we help startups like yours fill hard roles fast.
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Roles