Payroll Specialist, BillionToOne
$90k
+ Equity
Office located in Menlo Park, CA or Union City, CA
Precision diagnostics for disease detection
Job no longer available
Precision diagnostics for disease detection
501-1000 employees
Job no longer available
$90k
+ Equity
Office located in Menlo Park, CA or Union City, CA
501-1000 employees
Company mission
To make molecular diagnostics more accurate, efficient, and accessible.
Role
Who you are
- The ideal candidate will have multi-state payroll experience and great attention to detail
- Bachelor’s Degree in Accounting, Business Administration or related field
- 5+ years experience in Payroll
- Experience processing multi-state payroll (we’re currently in ~40 jurisdictions)
- Strong Excel skills (vlookup, pivot tables, etc.)
- Ability to work well under tight deadlines and have a high level of customer service to employees
- Experience with ADP WorkForceNow
- Strong communication skills, both verbal and written
- Start up experience preferred
- Experience with shift differentials preferred
What the job involves
- We are looking for a Payroll Specialist to join and take ownership of BillionToOne’s payroll process from beginning to end
- You will act as BillionToOne’s go-to-person for payroll related questions. This role will be responsible for timely processing of the company’s bi-weekly payroll as well as off-cycle payrolls
- This position is ideally a hybrid role (2 days from our office in Menlo Park or Union City, CA) and will report to the Senior Payroll Manager
- Acts as back-up to the Sr. Payroll Manager
- Ensure that bi-weekly payroll is processed accurately in a timely manner
- Process off-cycle payrolls as needed
- Ensure all payroll recons balance prior to retrieving approval for the Payroll
- Manage leave of absence and unpaid leave payroll processes for employees
- Ensure proper benefit deductions are being deducted for employees
- Work collaboratively with the People Ops team on all things related to payroll
- Provide reports to stakeholders
- Help with booking Accounting entries in the Sr. Payroll Manager’s absence
- Spend 20% of time performing other duties or special projects in Accounting as needed
Our take
BillionToOne is a precision diagnostics company. Its proprietary molecular counting platform (Quantitative Counting Templates) accurately counts DNA molecules at the single-count level, which has the ability to significantly improve disease detection. While initially focused on prenatal screening and oncological liquid biopsies, the company’s QTC technology is highly scalable and has the ability to make vast improvements to a range of disease detection verticals.
The company’s funding efforts - most notably a 2025 IPO - will enable it to focus on further development and commercialisation of its noninvasive prenatal screening test and oncology products. However, it will need to maintain a strategic outlook, prioritising areas with higher testing frequencies to maximise patient benefit and balance test development costs.
BillionToOne has an important role to play in improving healthcare equity. As more promising peer-reviewed research studies are conducted and providers have increased confidence in the company’s tests, BillionToOne has significant growth potential.
Freddie
Company Specialist at Welcome to the Jungle
Insights
32% employee growth in 12 months
Company
Funding (last 2 of 5 rounds)
Jan 2026
$30m
SERIES C
Dec 2022
$5m
SERIES B
Total funding: $73.3m
Company benefits
- Suite of benefit plans
- Paid Medical, Pregnancy, Parental and Family Leaves
- Retirement savings program with Company contribution
- Generous equity package
- Free daily on-site lunches provided from top eateries
- Latest and greatest hardware (laptop, lab equipment, facilities)
- Free on-site EV charging (compatible with all EVs, including Tesla!)
- Working with a team of ‘rockstars’ who bring out the best in everyone
- The ability to indirectly or directly change the lives of hundreds of thousand patients
- Open, transparent culture that includes weekly Town Hall meetings
Company HQ
Menlo Park, CA
Leadership
Oguzhan Atay, PhD
(Co-Founder & CEO)Former Graduate Fellow at Stanford University (Department of Biology). They also spent time as a Researcher at the University of Oxford.
David Tsao
(Co-Founder & CTO)Former Technical Staff Member at Groupon and Software Engineer at Adku. They also worked as an Engineering Intern at Northrop Grumman Aerospace Systems.
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