Built for the era of AI-native hiring
Fill critical roles faster with AI-powered, expert recruiters
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Recruiter Efficiency with Contrario's AI tools
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of Candidates Interviewed
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Cheaper than Traditional Recruiting
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Cheaper than Traditional Recruiting
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Backed by
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Combinator
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.
Product Engineer: Core Banking
Product Engineer: Core Banking
Product Engineer: Core Banking
Full time
San Francisco
$175K – $250K
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
Growth Stage Startups
Growth Stage Startups
2
Early Stage Startups
Early Stage Startups
Early Stage Startups
3
Product-Led Teams
Product-Led Teams
Product-Led Teams
4
YC-Backed Startups
YC-Backed Startups
YC-Backed Startups
5
AI Labs & LLM Training
AI Labs & LLM Training
AI Labs & LLM Training
Hire in Days with Contrario
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.
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02
03
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.
Add Your Most Elusive Job Openings
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02
03
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.
Add Your Most Elusive Job Openings
Want to get paid on Contrario?
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
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.
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
What Our Clients Say About Us
What Our Clients Say About Us
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Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
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Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
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Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
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“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
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“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
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Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
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“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
“
“
Contrario found us a great match for our Founding ML engineer in just 7 candidates
Lucas Tao
Co-Founder, Tessel
“
“
Contrario's platform placed a Founding Engineer expert for me in less than 2 weeks.
Bernhard Hausleitner
Co-Founder, Soff (YC S24)
“
“
Contrario closed us a world-class ex-Stanford, ex-Amazon engineer in under 10 days—off just 8 profiles.
Franklyn Wang
Founder, LiquidMax
Build Early Stage Teams
Build Early Stage Teams
Build Early Stage Teams
Full-stack Developer
Full-stack Developer
Front-end Developer
Front-end Developer
Back-end Developer
Back-end Developer
Mobile Developer
Mobile Developer
Instruction Tuner
Instruction Tuner
AI Developer
Machine Learning Engineer
Technical Account Executive
Product Designer
Looking for other role?
Place request
Devops Engineer
Devops Engineer
Prompt Rater
Prompt Rater
AI Developer
AI Developer
Machine Learning Engineer
Machine Learning Engineer
Technical Account Executive
Technical Account Executive
Multilingual Annotator
Multilingual Annotator
Product Designer
Product Designer
Code Evaluator
Code Evaluator
Automation QA
Automation QA
Hire Engineers by Skills
Hire Engineers by Skills
Hire Engineers by Skills
React
React
Typescript
Typescript
Python
Python
Node.js
Node.js
AWS
AWS
Next.js
JavaScript
React Native
iOS
Data Labeling
Looking for other role?
Place request
Next.js
Next.js
Model Evals
Model Evals
JavaScript
JavaScript
React Native
React Native
Prompt Engineering
Prompt Engineering
RLHF
RLHF
iOS
iOS
Data Labeling
Data Labeling
Firebase
Firebase
Kick off your search.
Chat with Contrario to see how we help startups like yours fill hard roles fast.
Kick off your search.
Chat with Contrario to see how we help startups like yours fill hard roles fast.
Kick off your search.
Chat with Contrario to see how we help startups like yours fill hard roles fast.