BillionToOne Research Associate Intern 2026 | Menlo Park, California, USA

The BillionToOne Research Intern 2026 opening is a Research Associate Intern role in Menlo Park, California, USA, listed on its official Greenhouse careers board. Candidates must be enrolled in an undergraduate or master’s degree program during Fall 2027.

Job Details

Company: BillionToOne

Position: Research Associate Intern

Location: Menlo Park, California, USA (on-site)

Experience: Internship (student/early-career; Freshers eligible)

Job Posting: Job 4747865005 on the official Greenhouse careers board

BillionToOne Research Intern 2026 Job Description

The Research Associate Intern is an on-site Menlo Park role. The notification describes it as a rare undergraduate/early-career opportunity to shape development of high-impact molecular diagnostic products in oncology and prenatal medicine.

Interns are mentored by scientists across molecular biology, genomics, bioinformatics and quantitative modeling. The role uses molecular techniques, next-generation sequencing and robotic tools to move assays from research prototypes toward commercially available products run at scale on patient samples in the clinical lab.

Key Responsibilities

  • Design, execute and troubleshoot experiments and assays under Senior Scientist guidance.
  • Learn analytical and computational methodologies to analyse results under guidance.
  • Present scientific findings verbally at group meetings and via internal written reports.
  • Document experimental details and results.

Eligibility Criteria for the Research Associate Intern

  • Must be enrolled in an undergraduate or master’s degree program during Fall 2027.
  • Anticipated BS or MS in Bioengineering, Molecular and Cell Biology, Microbiology, Biophysics, Biochemistry or related field.

Required Skills

  • Independent research experience.
  • Ability to quickly learn mathematical, analytical and experimental concepts.
  • High mathematical and statistical aptitude.
  • Great attention to detail.

Nice-to-have:

  • PCR and related DNA molecular biology.
  • Cell-free DNA setting.
  • NGS library preparation.
  • Computational analysis in R/Python.

Stated qualities: strong statistical/quantitative skills; meticulous experimental detail; ambition to make a difference; excellent communication in a fast-paced collaborative environment.

Salary for the BillionToOne Internship

Base pay rate: US$25 per hour for the BillionToOne Research Intern 2026 role

Additional Information

Benefits and perks listed: team culture, weekly Town Hall transparency, free daily on-site lunches, hardware, campus gym/restaurant, free on-site EV charging.

Candidates who expect to graduate before Fall 2027 or who have already graduated are directed to the full-time Research Associate posting instead.

About BillionToOne

BillionToOne is described as a next-generation molecular diagnostics company whose QCT molecular counting technology enhances disease detection resolution using cell-free DNA. Products cited include Unity Complete prenatal screening, Unity Confirm fetal cell capture confirmation, and Northstar liquid biopsy. This background is useful for applicants to the BillionToOne Research Intern 2026 role.

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