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Strengthen your infrastructure with backend talent

Hire engineers with experience scaling infrastructure, building APIs, and optimizing high-performance systems.

Hire Today

Trusted Teams Hiring with Contrario

Strategic engineers who design systems and deliver results

These engineers architect systems with performance and uptime in mind — from distributed queues to sharded databases.

Engineered to scale seamlessly

From 10 users to 10 million, they’ve scaled it before — and they build with reliability in mind

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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
“
“
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