Hiring.Camp

Machine Learning Engineer / Scientist

Until

·

Nov 25, 2025

Salary
$140k – $240k/yr
Location
Bay Area
Workplace
Onsite
Type
Full-time
Department
Software and ML
Education
PhD
Source
Lever

Description

Until is a moonshot company building a “pause button” for biology. Our near-term focus is organ-scale reversible cryopreservation: preserving donated organs at subzero temperatures without ice formation, then rewarming them uniformly for transplant. By solving this grand challenge, we’re laying the foundation for whole-body reversible cryopreservation, giving patients a bridge to future cures.

To achieve our goal, we are assembling an interdisciplinary team to develop perfusion systems, cryoprotectant formulations, and vitrification and rewarming hardware. We are also building out our medical hibernation team to tackle the challenges of whole-body cryopreservation, beginning with rodent models.

We envision a future where no transplantable organ is lost to logistics, and no terminal diagnosis is final because patients can safely wait for future medicine to arrive.

About the Role
As a Machine Learning Engineer / Scientist at Until, you will be an early member of the computational team defining how experimental data becomes insight and drives the next round of scientific discovery. You’ll build high-leverage ML systems that help develop new cryoprotectant formulations, engineer biologically-inspired antifreeze proteins, and understand the physics of vitrification and rewarming. You will own projects end-to-end including shaping data collection and designing data pipelines, training and evaluating models, and deploying tooling that scientists use daily. 

Skills

PythonAWSGCPLinuxSQLMachine LearningPyTorchPandasNumPyData ScienceGit

Benefits

Opportunity for outsized impact creating the future as an early team memberGenerous medical, dental and vision insurance coverageFlexible time off and paid holidaysCompetitive compensation package, including salary and equity401(k) retirement savings planFSA and commuter benefitsSubsidized lunch daily

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Machine Learning Engineer / Scientist at Until • $140k – $240k/yr | Hiring.Camp