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Craft Ventures Portfolio Job Board

Biocompatibility Intern

Neuralink

Neuralink

Austin, TX, USA
USD 25-25 / hour + Equity
Posted on Aug 11, 2025

About Neuralink:

We are creating devices that enable a bi-directional interface with the brain. These devices allow us to restore movement to the paralyzed, restore sight to the blind, and revolutionize how humans interact with their digital world.

Team Description:

The biocompatibility team plays a critical role in supporting the manufacture of Neuralink devices by ensuring product safety, quality, and regulatory compliance. We specialize in a range of essential processes, including batch release testing, chemical characterization, general analytical testing (such as mass spectrometry, chromatography, pH/conductivity, and general chemistry), microbiological testing (bioburden, environmental monitoring, and more), material analysis, and in-vitro biocompatibility assays.

Job Description and Responsibilities:
As a Biocompatibility Intern, you will play a critical role in advancing our biocompatibility pipeline by developing and streamlining a state-of-the-art in-vitro biocompatibility assay for medical device extracts. This is an excellent opportunity to gain hands-on experience in a fast-paced R&D environment and contribute to innovative neurotechnology.
  • Conduct comprehensive literature reviews, including OECD Guidance Documents, to inform assay development.
  • Select appropriate positive and negative controls.
  • Revise assay development plans to align with international and FDA guidance.
  • Establish and maintain mammalian cell cultures
  • Design and implement assays which utilize tools like plate readers and confocal microscopes
  • Identify appropriate endpoints, ensure reproducibility of results, and test mixtures of compounds.
  • Validate developed assays using positive and negative controls, and assess mixed controls to simulate medical device extracts and determine assay limitations.
  • Assist with the setup of necessary laboratory equipment, including calibration and qualification, if needed.

Required Qualifications:

  • B.S. in biology, chemistry, or related field
  • Strong background in cell biology, molecular biology, and/or toxicology
  • Experience with cell culture techniques
  • Experience with confocal microscopy
  • Familiarity with assay development
  • Ability to conduct thorough literature searches
  • Strong analytical and problem-solving skills
  • Excellent communication and organizational abilities

Preferred Qualifications:

  • M.S. or PhD student/candidate in Toxicology, Molecular Biological, Biochemistry, or related field
  • Experience in development of in-vitro assays
  • Familiarity with neurotoxicity testing or neurological cell lines

Pay Transparency:

The following details are for Texas individuals only.

Texas Hourly Rate:
$25/Hr USD

What We Offer:

Full-time employees are eligible for the following benefits listed below.

  • An opportunity to change the world and work with some of the smartest and most talented experts from different fields
  • Growth potential; we rapidly advance team members who have an outsized impact
  • Excellent medical, dental, and vision insurance through a PPO plan
  • Paid holidays
  • Commuter benefits
  • Meals provided
  • Equity (RSUs) *Temporary Employees & Interns excluded
  • 401(k) plan *Interns initially excluded until they work 1,000 hours
  • Parental leave *Temporary Employees & Interns excluded
  • Flexible time off *Temporary Employees & Interns excluded