Development Associate, Oncology

BillionToOne•Menlo Park, CA
•$76,155 - $87,034•Onsite

About The Position

BillionToOne is seeking a Development Associate to join its Oncology Development and Process Engineering team, supporting clinical patient testing in a high-throughput CLIA laboratory. The role offers experience in molecular assay development, data analysis, experimental design, and automation. The work is fast-paced and provides opportunities to deepen knowledge of the field. This is an on-site role, with most workdays spent in the Menlo Park office.

Requirements

  • Bachelor’s, Master’s, or equivalent degree in Molecular Biology, Biochemistry, Cell Biology, Microbiology, Biophysics, or a related field.
  • At least 12 months of experience with molecular biology techniques such as PCR, electrophoresis, or DNA purification in a research or clinical laboratory; experience may be gained during or after a bachelor’s degree.
  • Solid foundation in quantitative data analysis, statistics, and experimental design.
  • Familiarity with R or Python and a strong willingness to expand computational skills; moderate proficiency is required for computational data analysis.
  • Clear verbal and written communication skills for reporting to cross-functional teams of scientists and non-scientists.
  • Experimental troubleshooting and root-cause analysis skills, with sharp attention to detail.

Nice To Haves

  • Start-up experience.
  • Experience with next-generation sequencing (NGS) and/or cell-free DNA.
  • Previous experience with liquid handling or other laboratory automation.
  • Knowledge of molecular oncology.
  • Experience composing protocols for standard molecular biology techniques.

Responsibilities

  • Develop and extend current assays to better meet evolving clinical needs, with support from scientists, engineers, and other technical staff.
  • Apply analytical and computational methods used in current assays and build upon them to enable new capabilities; develop, implement, and use software tools to quantitatively analyze experiments and processes.
  • Support assay validations and derisking under regulatory and design control frameworks, including FDA and MolDx.
  • Present technical findings and project updates verbally at group meetings and through internal written reports.
  • Conduct laboratory experiments, document procedures and results, and contribute to routine organization of the R&D lab.
  • Partner across departments to transfer and scale developed assays and workflows into high-throughput clinical laboratory operations.
  • Apply engineering practices to scale, optimize, and improve molecular biology methods; investigate sources of variation and develop short-term corrections and long-term preventative measures.

Benefits

  • Multiple medical benefit options, with employee premiums paid 100% for select plans and dependents covered up to 80%.
  • 16 weeks of paid Family Bonding Leave at 100% for eligible employees.
  • Supplemental fertility benefits coverage.
  • Retirement savings program with a 4% company match.
  • Paid time off that increases with tenure.
  • Latest hardware, lab equipment, and facilities.
  • Free daily on-site lunches.
  • On-campus shuttle to and from select transit hubs.
  • On-campus state-of-the-art gym and restaurant.
  • Free on-site EV charging.
  • Equity options.
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