Posted on:January 6, 2026
Closed on:September 2, 2026
Member of Technical Staff at Until
Until is hiring a Member of Technical Staff in San Francisco, CA, US. On-site. Pay: USD 120k-190k/yr.
About Until
Until is developing reversible cryopreservation technology to preserve donated human organs at subzero temperatures without ice formation, then rewarm them for transplantation. The company aims to solve the donor organ procurement and matching problem, and is working toward whole-body reversible cryopreservation as a longer-term goal.
Member of Technical Staff job 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, vitrification and rewarming hardware.
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 an integration engineer at Until, you'll be working across teams to deliver next-gen perfusion, cooling, and rewarming systems. Successfully owning the deployment of these systems will require you to autonomously work across hardware/software stacks and work closely with scientists across the company.
About You
Preferred Qualifications
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